Emerson Fisher 3610J Data Sheet D200064X012_Feb15_AQ

2015-03-30

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Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Fisherr 3610J and 3620J Positioners and 3622
Electro-Pneumatic Converter
Fisher 3610J or 3610JP pneumatic and 3620J or 3620JP
electro-pneumatic positioners are used in combination
with either single or double-acting rotary actuators to
accurately position control valves used in throttling
applications. The positioner mounts integrally to the
actuator housing. These rugged positioners provide a
valve position proportional to a pneumatic or a DC
current input signal.

The 3610J or 3610JP pneumatic positioner in
combination with the Fisher 3622 electro-pneumatic
converter becomes the 3620J or 3620JP positioner,
respectively. This integral electro-pneumatic
converter, can be factory installed or installed in the
field on existing positioners. The electro-pneumatic
converter receives the DC current input signal and

provides a proportional pneumatic output signal
through a nozzle/flapper arrangement.
The output signal from the converter becomes the
input signal pressure to the pneumatic positioner,
eliminating the need for a remote mounted
transducer.
The positioner mounts on the actuator as shown
below. Figure 1 shows the cam feedback mechanism
for a positioner mounted on the actuator. Positioner
bleed air continually purges the enclosure containing
the feedback lever and the feedback linkages.
To support diagnostic testing of
valve/actuator/positioner packages, connectors,
piping, and other hardware can be installed between
the 3610J or 3620J positioner and the actuator.

ELECTROPNEUMATIC
CONVERTER

BYPASS
VALVE

W3949
W4920-1

FISHER 3620JP ELECTRO-PNEUMATIC POSITIONER
WITH 1061 ACTUATOR AND V500 VALVE

www.Fisher.com

FISHER 3610J PNEUMATIC POSITIONER WITH
1052 ACTUATOR AND ECCENTRIC DISC VALVE

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Specifications
Electromagnetic Compliance for 3622
electro-pneumatic converter:
Meets EN 61326-1 (First Edition)
Immunity—Industrial locations per Table 2 of
the EN 61326-1 standard. Performance is
shown in table 2 below.
Emissions—Class A
ISM equipment rating: Group 1, Class A

Available Configurations
Refer to the following type number description on
page 6
Input Signal
3610J or 3610JP:
Standard: J 0.2 to 1.0 bar (3 to 15 psig), J 0.4 to 2.0
bar (6 to 30 psig), or J split range, see table 1.
Adjustable: Zero is adjustable from 0.07 to 1.5 bar
(1 to 22 psig) for standard valve rotations. Span is
adjustable from 0.2 to 2.0 bar (3.2 to 28.8 psi) for
standard valve rotations. Location of adjustments are
shown in figure 2.
3620J and 3620JP:
4-20 mA DC constant current with 30 VDC maximum
compliance voltage. Minimum terminal voltage is
2.4 VDC at 20 mA. Split range is also available,
see table 1.

Note:The Electromagnetic Compliance specifications
also apply to 3620J positioners
Maximum Supply Air Demand(2)
3610J and 3620J:
1.4 bar (20 psig) Supply: 13 normal m3/hour (490 scfh)
2.4 bar (35 psig) Supply: 17 normal m3/hour (640 scfh)
3610JP and 3620JP:
5.2 bar (75 psig) Supply: 37 normal m3/hour
(1380 scfh)
6.9 bar (100 psig) Supply: 46 normal m3/hour
(1700 scfh)

Output Signal
Pneumatic pressure as required by the actuator up to
full supply pressure
Action(1): Field-reversible between J direct and
J reverse within the pneumatic positioner

Operating Influences
Supply Pressure Sensitivity: A 10% change in supply
pressure changes the valve shaft position less than
the following percentages of valve rotation:
3610J and 3620J: 1.0% at 1.4 bar (20 psig) supply
pressure
3610JP and 3620JP: 1.5% at 4.1 bar
(60 psig) supply pressure

Equivalent Circuit
3620J and 3620JP: 120 ohms shunted by three 5.6 V
zener diodes
Typical Performance
Independent Linearity:
Direct-Acting 3610J and 3620J: ±1.5% of output span
Reverse-Acting 3610J and 3620J: ±0.75% of output span
Direct-Acting 3610JP and 3620JP: ±1.25% of output
span
Reverse-Acting 3610JP and 3620JP: ±0.5% of output
span
Hysteresis:
3610J: 1.0% of output span
3620J: 0.75% of output span
3610JP: 0.5% of output span
3620JP: 0.6% of output span
Deadband: 0.1% of input span

Supply Pressure(3)
Minimum Recommended: 0.3 bar (5 psig) above
actuator requirement [1.4 bar (20 psig) for a 0.2 to
1.0 bar (3 to 15 psig) nominal actuator signal; 2.4 bar
(35 psig) for a 0.4 to 2.0 bar (6 to 30 psig) nominal
actuator signal].
Maximum: 10.3 bar (150 psig) or maximum pressure
rating of the actuator, whichever is lower.
Supply Medium: Air or natural gas(4).
3620J and 3620JP are not approved for use with
natural gas as the supply medium
- continued -

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Specifications (continued)
Steady-State Air Consumption(2)

Other Classifications/Certifications for 3622
CUTR— Customs Union Technical Regulations (Russia,
Kazakhstan, and Belarus)
INMETRO— National Institute of Metrology, Quality
and Technology (Brazil)
KGS— Korea Gas Safety Corporation (South Korea)
Contact your Emerson Process Management sales
office for classification/certification specific
information
Note: These classifications also apply to 3620J
positioners

3610J: 0.40 normal m3/hour (15 scfh) at 1.4 bar
(20 psig) supply pressure
3610JP: 0.64 normal m3/hour (24 scfh) at 6.9 bar
(100 psig) supply pressure
3620J: 0.49 normal m3/hour (18 scfh) at 1.4 bar
(20 psig) supply pressure
3620JP: 0.93 normal m3/hour (35 scfh) at 6.9 bar
(100 psig) supply pressure
Operative Temperature Limits(3)

Hazardous Area Classification for 3610J Positioners
Complies with the requirements of ATEX Group II
Category 2 Gas and Dust

-40 to 82_C (-40 to 180_F)
Electrical Classification for 3622
Hazardous Area:
CSA— Intrinsically Safe, Explosion proof, Type n
Dust-Ignition proof, Division 2

Meets Customs Union technical regulation TP TC
012/2011 for Groups II/III Category 2 equipment
II Gb c T*X
III Db c T*X

FM— Intrinsically Safe, Explosion proof, Type n,
Non-incendive, Dust-Ignition proof,
ATEX— Intrinsically Safe, Type n, Flameproof

Note: These ratings do not apply to 3620J positioners

IECEx— Intrinsically Safe, Type n, Flameproof
(Gas Atmospheres Only)

Construction Materials
All Positioners:
Case: Low copper aluminum alloy
Cover: Polyester plastic
Feedback Lever: Stainless steel
Range Spring: Zinc-plated steel
Input Module and Relay Diaphragms: Nitrile and
polyester
Relay Valve Plugs and Seats: Stainless steel
Tubing: Copper (standard)
Fittings: Brass (standard)
Gauges: Chrome-plated brass connection with plastic
case
3620J and 3620JP:
Housing and Cap: Low copper aluminum alloy

Refer to tables 3, 4, 5, and 6 for additional
information.
Note: These classifications also apply to 3620J
positioners
Housing Classification for 3622
CSA— Type 3 Encl.
FM— NEMA 3, IP54
ATEX— IP64
IECEx— IP54
Mount instrument with vent on side or bottom if
weatherproofing is a concern.

Pressure Connections
1/4 NPT internal

Note: These classifications also apply to 3620J
positioners
- continued -

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Specifications (continued)
Rotary Valve Rotation

Options
3610J and 3610JP:
J Supply pressure gauge, J tire valves, or J plugs,
J Integral mounted bypass valve on 3610J only

60, 75, or 90 degrees

Characterized Cams

3620J and 3620JP:
J Supply pressure gauge, J tire valves, or J plugs

See Characterized Cams section

Approximate Weight

Electrical Connection for 3620J and 3620JP

3610J positioners: 2.5 kg (5.6 pounds)
3620J positioners: 3.6 kg (8.0 pounds)

1/2-14 NPT Conduit Connection

NOTE: Specialized instrument terms are defined in ANSI/ISA Standard 51.1 - Process Instrument Terminology.
1. For direct action, an increasing input signal extends the actuator rod. For reverse action, an increasing input signal retracts the actuator rod.
2. Normal m3/hr--normal cubic meters per hour (0_C and 1.01325 bar absolute). Scfh--standard cubic feet per hour (60_F and 14.7 psia).
3. The pressure and temperature limits in this document and any applicable standard or code limitation should not be exceeded.
4. Natural gas should contain no more than 20 ppm of H2S.

Table 1. Split-Range Capabilities
3610J AND 3610JP POSITIONERS(1)
0.2 to 1.0 Bar (3 to 15 Psig) Input Signal

Split

0.4 to 2.0 Bar (6 to 30 Psig) Input Signal

Bar

Psig

Bar

Psig

Two-way

0.2 to 0.6
0.6 to 1.0

3 to 9
9 to 15

0.4 to 1.2
1.2 to 2.0

6 to 18
18 to 30

Three-way

0.2 to 0.5
0.5 to 0.7
0.7 to 1.0

3 to 7
7 to 11
11 to 15
3620J AND 3620JP POSITIONERS(1)

0.4 to 0.9
0.9 to 1.5
1.5 to 2.0

6 to 14
14 to 22
22 to 30

Split

4-20 Milliampere Input Signal
4 to 12
12 to 20

Two-way

4 to 9.3
9.3 to 14.7
14.7 to 20

Three-way

1. This table is only valid for the following standard valve rotations/range spring combinations: 90_/18A7845X012 (blue), 75_/18A7846X012 (yellow), and 60_/18A5118X012 (red). Contact
your Emerson Process Management sales office or the factory for input signal ranges not listed.

Table 2. Fisher 3622 Electro-Pneumatic Converter(1) EMC Summary Results—Immunity
Port

Phenomenon
Electrostatic Discharge (ESD)

Enclosure

Radiated EM field
Rated power frequency
magnetic field
Burst (fast transients)

I/O signal/control Surge
Conducted RF

Basic Standard

Test Level

IEC 61000-4-2

4 kV contact; 8 kV air

IEC 61000-4-3

80 to 1000 MHz @ 10V/m with 1 kHz AM at 80%
1400 to 2000 MHz @ 3V/m with 1 kHz AM at 80%
2000 to 2700 MHz @ 1V/m with 1 kHz AM at 80%

IEC 61000-4-8

60 A/m at 50 Hz

IEC 61000-4-4

1 kV

IEC 61000-4-5

1 kV (line to ground only, each)

IEC 61000-4-6

150 kHz to 80 MHz at 3 Vrms

Specification limit = ±1% of span
1. The information contained in the table also applies to 3620J, 3620JP, and 3621JP electro-pneumatic positioners.
2. A=No degradation during testing. B = Temporary degradation during testing, but is self-recovering.

Performance
Criteria(2)

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Figure 1. Typical Fisher 3610J and 3620J Positioner
Mounting
ACTUATOR ROD
CAM
FEEDBACK
LEVER

Figure 2. Adjustments for Fisher 3610J and 3620J
Positioners
CROSSOVER
ADJUSTMENT
DIRECT/
REVERSE
PLATE
ZERO
ADJUSTMENT

COARSE SPAN
ADJUSTMENT
MINOR LOOP
GAIN
ADJUSTMENT
FINE SPAN
ADJUSTMENT

W3783

W4900-1

n Fewer Spare Parts—Most of the parts for 3610J and

Features
n Accurate, Efficient, Vibration-Resistant

Operation—The positioner provides accurate,
fast-response and can withstand the vibrations of
most plant environments. Low steady-state air
consumption contributes to efficient operation.

3610JP or 3620J and 3620JP positioners are
interchangeable, requiring fewer spare parts to
support these positioners.
n Easy Positioner Adjustments—With the cover

removed, zero, span, and cross-over adjustments,
shown in figure 2, are easily accessible and can be
made with a screwdriver.
n Application Flexibility—Easily adjustable minor loop

n Modular Design— The pneumatic 3610J positioner

easily converts to an electro-pneumatic 3620J
positioner by replacing the existing gauge block
with the 3622 electro-pneumatic converter
assembly. The converter assembly attaches to the
existing positioner, providing a simple, compact,
and cost-effective conversion.
n Versatility—3610J and 3610JP positioners accept a

pneumatic input signal and 3620J and 3620JP
positioners accept a DC current input signal from a
control device. The pneumatic and
electro-pneumatic positioners provide split range
capabilities and adjustable zero and span. The
rangeability of the positioner zero and span permits
using a single range spring for all standard input
signals including split ranges.

gain fine tunes the positioner to optimize dynamic
response for each specific actuator size and
application.
n Stable Operation—Changes in supply pressure have

minimal effect on positioner operation.
n Corrosion Resistant—Case, components, and gasket

materials withstand harsh environments. Positioner
bleed air purges internal parts and actuator housing
for additional protection.
n Field Reversible—Simple adjustments permit

switching between direct and reverse action; no
additional parts are required.

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Figure 3. Schematic of Fisher 3610JP Positioner
CROSS-OVER
ADJ

RELAY BEAM
SUPPLY PRESSURE
NOZZLE PRESSURE
INPUT SIGNAL

RELAY
B

RELAY
A

OUTPUT SIGNAL
OUTPUT SIGNAL

MINOR LOOP
GAIN ADJ

AIR
SUPPLY

ZERO ADJ
RANGE SPRING

COARSE
SPAN
ADJ

FINE
SPAN
ADJ

COUNTER SPRING

SUMMING BEAM
FLAPPER

PIVOT
B

PIVOT A

NOZZLE
FIXED
RESTRICTION
AIR SUPPLY

CAVITY A
CAVITY B
INPUT SIGNAL
PRESSURE

POSITIONER CAM

INPUT MODULE

FEEDBACK
LEVER

PISTON
ACTUATOR
END VIEW OF
ROTARY SHAFT

38A8900-B
B1845-1

Type Number
Description1
The following descriptions provide specific
information on the different positioner constructions.
3610J: A single-acting pneumatic rotary valve
positioner for use with Fisher 1051 and 1052
actuators.
3610JP: A double-acting pneumatic rotary valve
positioner for use with Fisher 1061 and 1069
actuators.
3620J: A single-acting electro-pneumatic rotary valve
positioner for use with 1051 and 1052 actuators.

3620JP: A double-acting electro-pneumatic rotary
valve positioner for use with 1061 and 1069 actuators.
3622: An electro-pneumatic converter that converts a
4-20 mA DC input signal to a 3 to 15 psig (0.2 to 1.0
bar) input signal for the pneumatic positioner.
Combining this unit with a 3610J or 3610JP positioner
produces a 3620J or 3620JP positioner, respectively.

Principle of Operation
3610J positioners accept a pneumatic input signal and
3620J positioners accept a DC current input signal
from a control device.

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Figure 4. Schematic of Fisher 3620JP Positioner
CROSS-OVER
ADJ
RELAY BEAM

FOR 3620JP
ONLY

SUPPLY PRESSURE
NOZZLE PRESSURE

MINOR LOOP
GAIN ADJ

INPUT SIGNAL

RELAY
B

RELAY
A

OUTPUT SIGNAL
AIR
SUPPLY

ZERO ADJ

OUTPUT SIGNAL

RANGE SPRING
COARSE
SPAN
ADJ

FINE
SPAN
ADJ

COUNTER SPRING

SUMMING BEAM
FLAPPER

PIVOT A

PIVOT
B

NOZZLE
FIXED
RESTRICTION

INPUT MODULE
CAVITY A
CAVITY B

FEEDBACK
LEVER
POSITIONER
CAM

CONVERTER
MODULE

PISTON
ACTUATOR

SUPPLY
END VIEW OF ROTARY SHAFT
38A8900-B
B2148

4-20 MILLIAMPERE INPUT SIGNAL
+

These positioners are force-balanced instruments that
provide a valve shaft position proportional to the input
signal. The following describes the principle of
operation for 3610JP and 3620JP positioners. The
principle of operation for 3610J and 3620J positioners
is similar except relay A is not used. Refer to figures 3
and 4 while reading the following descriptions.
For direct action, input signal pressure from a control
device is channeled to cavity A in the input module. An
increase in input signal pressure results in a downward
force on the summing beam, pivoting the

summing beam counterclockwise. This moves the
flapper slightly toward the nozzle, increasing the
nozzle pressure. As nozzle pressure increases, the relay
beam pivots clockwise, causing relay B to increase
upper cylinder pressure and relay A to exhaust lower
cylinder pressure of the actuator.
As a result, the actuator rod extends and the actuator
rotary shaft rotates clockwise. This causes the
feedback lever to pivot clockwise and the force applied
to the summing beam by the range spring increases.
This force, which opposes the downward force on the
summing beam caused by the increasing input signal

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015
pressure, continues to increase until the summing
beam torques are in equilibrium. At this point, the
valve shaft is in the correct position for the specific
input signal applied.
For reverse action, input signal pressure is channeled
to both cavities A and B. An increase in signal pressure
results in an upward force on the summing beam,
pivoting the summing beam clockwise and causing
relay B to exhaust upper actuator cylinder pressure to
atmosphere and relay A to increase lower actuator
cylinder pressure. As a result, the actuator rod retracts
and the actuator rotary shaft rotates
counterclockwise. This causes the feedback arm to
pivot counterclockwise reducing the force applied to
the summing beam by the range spring.
As the valve shaft rotates counterclockwise, the range
spring force to the summing beam continues to
reduce until the summing beam torques are in
equilibrium. At this point, the valve shaft is in the
correct position for the specific input signal applied.
3620J or 3620JP positioners (figure 4) are a
combination of a 3610J or a 3610JP positioner with a
3622 electro-pneumatic converter. The
electro-pneumatic converter provides a 0.2 to 1.0 bar
(3 to 15 psig) output pressure proportional to the

D200064X012
4-20 mA DC input signal. The 0.2 to 1.0 bar (3 to 15
psig) output pressure becomes the input signal
pressure to the 3610J or 3610JP pneumatic positioner.

Installation
The supply pressure medium must be a clean, dry, and
oil-free air, or noncorrosive gas (3610J positioners
only). If the supply pressure source is capable of
exceeding the maximum actuator operating pressure
or positioner supply pressure, appropriate steps must
be taken during installation to protect the positioner
and all connected equipment against overpressure.
Typical positioner mounting on an actuator is shown
on the front page. Overall dimensions are shown in
figure 5.

Note
3620J and 3620JP positioners are not approved for use with
natural gas as the supply medium.

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Figure 5. Typical Mounting Dimensions and Connections
INSTRUMENT
CONNECTION

140
(5.50)

49.3
(1.94)

OUTPUT A
CONNECTION
(PLUGGED ON
3610J) 1

208
(8.19)

OUTPUT B
CONNECTION

63.5
(2.50)

GAUGE
BLOCK

SUPPLY
CONNECTION

208
(8.19)

3622

17.5
(0.69)

100.1
(3.94)

63.5
(2.50)

19A1442-C

TYPICAL FISHER 3610J POSITIONER WITHOUT BYPASS VALVE

BYPASS
VALVE

OUTPUT B
CONNECTION
INSTRUMENT
CONNECTION

31.8
(1.25)

63.5
(2.50)

103
(4.06)

1/2 NPT
CONDUIT
CONNECTION

OUTPUT A
CONNECTION
(PLUGGED) 1

OUTPUT A
CONNECTION
(PLUGGED ON
3620J) 1

208
(8.19)

63.5
(2.50)

19A1444-B

GAUGE
BLOCK
100.1
(3.94)
119.1
(4.69)

57.2
(2.25)
110.2
(4.34)

SUPPLY
CONNECTION

FISHER 3610J POSITIONER WITH BYPASS ASSEMBLY

OUTPUT B
CONNECTION 1
1

57.2
(2.25)
11B2612-C

SUPPLY
CONNECTION

110.2
(4.34)

FISHER 3620J OR 3620JP POSITIONER
mm
(INCH)

Note:
1 Instrument, Output, and Supply connections are 1/4 NPT.
C0681-2

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Figure 8. Flow Characteristics for the Various Cams
When Used with an Equal Percentage Characteristic,
Push-Down-to-Open Valve
PUSH DOWN TO OPEN

CAM
B
CAM
A

CAM
C

DIRECT
REVERSE

PERCENT OF FLOW
(PRESSURE DROP CONSTANT)

DEGREES OF VALVE ROTATION

Figure 6. Input Span Versus Valve Rotation

CAM
B
CAM
A
CAM
C

PERCENT OF RATED INPUT SPAN
A2264-1

DIRECT
REVERSE

Figure 7. Flow Characteristics for the Various Cams
When Used with an Equal Percentage Characteristic,
Push-Down-to-Close Valve

PERCENT OF FLOW
(PRESSURE DROP CONSTANT)

PUSH DOWN TO CLOSE

DIRECT
REVERSE
33A4960-A
A1582-2

33A4959-A
A1581-2

PERCENT OF RATED INPUT SPAN

When the linear cam is the operating cam, there is a
linear relationship between an incremental instrument
pressure change and the resultant valve stem rotation.
The flow characteristic is that of the control valve.
As shown in figure 6, installing either characterized
cam as the operating cam changes the relationship
between the incremental instrument pressure change
and valve stem travel, thereby modifying the valve
flow characteristics.

CAM
C

CAM
A

CAM
B

PERCENT OF RATED INPUT SPAN

Ordering Information
When ordering, specify the product application and
construction:

Application
1. Positioner type number

Characterized Cams

2. Maximum supply pressure available

3610J and 3620J positioners are available with any one
of three cams, a linear cam (cam A) or two
characterized cams (cams B and C). Figure 6 shows the
resultant valve rotation due to an incremental
instrument pressure change for the three cams.

4. Cam characteristic

Figures 7 and 8 show how the flow characteristics
change when using the cams with a valve that has
equal percentage characteristics.

Refer to the specifications. Carefully review each
specification; indicate your choice whenever a
selection is to be made.

3. Actuator size and type number

5. Input signal

Construction

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Table 3. Hazardous Area Classifications for Fisher 3622 Electro-Pneumatic Converter(1)—CSA (Canada)
Certification Body

Certification Obtained
Intrinsically Safe
Ex ia IIC T4/T5/T6 per drawing GE28591
Ex ia Intrinsically Safe
Class I, II Division 1 GP A,B,C,D,E,F,G T4/T5/T6
per drawing GE28591

CSA

Entity Rating
Vmax = 30 VDC
Imax = 150 mA
Pi = 1.25 W
Ci = 0 nF
Li = 0 mH

Temperature Code
T4 (Tamb ≤ 82°C)
T5 (Tamb ≤ 62°C)
T6 (Tamb ≤ 47°C)

Explosion-proof
Ex d IIC T5
Class I, Division 1, GP A,B,C,D T5

---

T5 (Tamb ≤ 82°C)

Type n
Ex nA IIC T6

---

T6 (Tamb ≤ 82°C)
T6 (Tamb ≤ 82°C)

Class I, Division 2, GP A,B,C,D T6
Class II, Division 1, GP E,F,G T5

---

T5 (Tamb ≤ 82°C)
T6 (Tamb ≤ 82°C)

Class II, Division 2, GP F,G T6
1. These hazardous area classification also apply to 3620J positioners.

Table 4. Hazardous Area Classifications for Fisher 3622 Electro-Pneumatic Converter(1)—FM (United States)
Certification Body

Certification Obtained
Intrinsically Safe
Class I Zone 0 AEx ia IIC T4/T5/T6 per drawing GE28590
Class I, II, III Division 1 GP A,B,C,D,E,F,G T4/T5/T6
per drawing GE28590

Entity Rating
Vmax = 30 VDC
Imax = 150 mA
Pi = 1.25 W
Ci = 0 nF
Li = 0 mH

Temperature Code
T4 (Tamb ≤ 82°C)
T5 (Tamb ≤ 62°C)
T6 (Tamb ≤ 47°C)

Explosion-proof
Class I Zone 1 AEx d IIC T5
Class I, Division I, GP A,B,C,D T5

---

T5 (Tamb ≤ 82°C)

Type n
Class I Zone 2 AEx nA IIC T5

---

T5 (Tamb ≤ 82°C)

Class I, Division 2, GP A,B,C,D T5
Class II, Division 1, GP E,F,G T5
Class II, Division 2, GP F,G T5

---

T5 (Tamb ≤ 82°C)

1. These hazardous area classification also apply to 3620J positioners.

Table 5. Hazardous Area Classifications for Fisher 3622 Electro-Pneumatic Converter(1)—ATEX
Certificate

Certification Obtained

Entity Rating

Temperature Code

II 1 G & D
Intrinsically Safe
Gas
Ex ia IIC T4/T5/T6 Ga
Dust
Ex ia IIIC Da T120°C (Tamb ≤ 82°C)/ T100°C (Tamb ≤ 62°C) /
T85°C (Tamb ≤ 47°C)

T4 (Tamb ≤ 82°C)
T5 (Tamb ≤ 62°C)
T6 (Tamb ≤ 47°C)

Ui = 30 VDC
Ii = 150 mA
Pi = 1.25 W
Ci = 0 nF
Li = 0 mH

---

II 2 G & D
ATEX

Flameproof
Gas
Ex d IIC T5 Gb

T5 (Tamb ≤ 82°C)
---

Dust
Ex tb IIIC Db T82°C (Tamb ≤ 79°C)

---

II 3 G & D
Type n
Gas
Ex nA IIC T6 Gc
Dust
Ex tc IIIC Dc T85°C (Tamb ≤ 82°C)

T6 (Tamb ≤ 82°C)
-----

1. These hazardous area classification also apply to 3620J positioners.

Product Bulletin

3610J and 3620J Positioners

62.1:3610
February 2015

D200064X012

Table 6. Hazardous Area Classifications for Fisher 3622 Electro-Pneumatic Converter(1)—IECEx
Certificate

Certification Obtained
Intrinsically Safe
Gas
Ex ia IIC T4/T5/T6 Ga

IECEx

Flameproof
Gas
Ex d IIC T5 Gb
Type n
Gas
Ex nA IIC T6 Gc

Entity Rating
Ui = 30 VDC
Ii = 150 mA
Pi = 1.25 W
Ci = 0 nF
Li = 0 mH

Temperature Code
T4 (Tamb ≤ 82°C)
T5 (Tamb ≤ 62°C)
T6 (Tamb ≤ 47°C)

---

T5 (Tamb ≤ 82°C)

---

T6 (Tamb ≤ 82°C)

1. These hazardous area classification also apply to 3620J positioners.

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of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Fisher is a mark owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co. Emerson Process Management,
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to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.
Emerson Process Management
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
Dubai, United Arab Emirates
Singapore 128461 Singapore

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