SR05 Datasheet SR05A En 201507 J226I E 01

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safety monitoring relays

H

H1

R

USA Tel. 1/888/510-4357

Canada Tel. 1/800/221-7060

For the Latest Information

On the Internet: www.sti.com

E-mail: sales@sti.com

UK Tel. +44 (0) 1395-273-209

Europe Tel. +49 (0) 5258-938-776 Japan Tel. +81-466-22-1132

China Tel. +86-21-5836-7708

Singapore Tel. +65-648-44-001

SR05A

■Power requirements—the

SR05A will accept 24 VAC or

24 VDC

■Inputs—a single N/C input

channel, not monitored, is

provided

■Outputs—the SR05A has three

N/O outputs to route power to

the coils of external device

power contactors plus one N/C

auxiliary output for signaling

purposes

Conforms to EN60204-1, EN954-1, EN292, EN50081, and

EN50082

UL and C-UL listed, TUV approved

■External Device Monitoring

(EDM) is provided with a N/C

loop between X1 and X2 on the

SR05A

■Reset mode—an automatic

reset mode is provided with the

SR05A

SR05A

Single-Channel Safety Monitoring Relay

SR05A

R

C US

Rev. 12.04

✎If you are considering this product for a new application please review the relay selection guide at www.sti.com/relays

safety monitoring relays

H

A

H2

R

For the Latest Information

On the Internet: www.sti.com

E-mail: sales@sti.com

USA Tel. 1/888/510-4357

Canada Tel. 1/800/221-7060 UK Tel. +44 (0) 1395-273-209

Europe Tel. +49 (0) 5258-938-776 Japan Tel. +81-466-22-1132

China Tel. +86-21-5836-7708

Singapore Tel. +65-648-44-001

Go to the Engineering Guide

For in-depth information on

safety standards and use.

Output Contact

Arrangements Terminal Connections

■

Application

SR05A

✎For an explanation of circuit operation,

see www.sti.com/pdf/2407.pdf

M

K1

24VAC/DC

L1 L2 L3

AUXILIARY CIRCUIT

(ALARM OR INDICATION)¥

BLUE

BROWN

MA SERIES

INTERLOCK

SWITCH

FUSES

A1 X1 13 23 33 41

A2 X2 14 24 34 42

SR05A

K1 K2 K3

K1 (AUX)

K2 (AUX)

K3 (AUX)

START

MOMENTARY

PUSH

BUTTON

STOP

MOMENTARY

PUSH

BUTTON

FUSE

M

K2

L1 L2 L3

M

K3

L1 L2 L3

CONTACT PROTECTION e.g. THERMAL CUT OUT

CONTACT PROTECTION e.g. THERMAL CUT OUT

CONTACT PROTECTION e.g. THERMAL CUT OUT

GUARD

CLOSED

EB SERIES

LATCHING

E-STOP

BUTTON

X1

X2

EDM AND

RESET

A2

A1

SUPPLY

13

14

33

34

23

24

AUXILIARY

SIGNALING

N/C

SAFETY

OUTPUT 1

N/O

SAFETY

OUTPUT 3

N/O

SAFETY

OUTPUT 2

N/O

41

42

safety monitoring relays

H

H3

R

USA Tel. 1/888/510-4357

Canada Tel. 1/800/221-7060

For the Latest Information

On the Internet: www.sti.com

E-mail: sales@sti.com

UK Tel. +44 (0) 1395-273-209

Europe Tel. +49 (0) 5258-938-776 Japan Tel. +81-466-22-1132

China Tel. +86-21-5836-7708

Singapore Tel. +65-648-44-001

■

Dimensions — mm/in.

■

Circuit Example

99

3.89 22.5

0.88

114.5

4.5

A1 A2 X1 X2 13 23 33 41

14 24 34 42

~

=

RL1

RL2

24V AC/DC

RL2 RL1

RL1 RL2

RL1

RL1 RL2

RL2

Feedback and Reset

--+

SR05A

Switches up to 3 contactors

Supply

Switching

Circuit

Contactor coil switching circuit

EDM circuit

Supply inclusive of

switching circuit

Contactor

Key

SR05A

safety monitoring relays

H

A

H4

R

For the Latest Information

On the Internet: www.sti.com

E-mail: sales@sti.com

USA Tel. 1/888/510-4357

Canada Tel. 1/800/221-7060 UK Tel. +44 (0) 1395-273-209

Europe Tel. +49 (0) 5258-938-776 Japan Tel. +81-466-22-1132

China Tel. +86-21-5836-7708

Singapore Tel. +65-648-44-001

Go to the Engineering Guide

For in-depth information on

safety standards and use.

■

Specifications

Electrical All Models

Power Supply: ±15%, 24 VAC/DC

Power Consumption: <2 VA

Internal Fuse: N/A

Safety Inputs: 1 N/C (not monitored)

Relay Outputs: 3 N/O + 1 N/C auxiliary

Max Switched AC: Inductive AC-15, 4 A/250 V

Max Switched DC: Inductive DC-13, 2 A/30 V

Min Switched Current/Voltage: 10 mA/10 V

Impulse Withstand Voltage: 2500 V

Max Drop-Out Time: 24 VDC: 190 ms; 24 VAC: 230 ms

Max Output Fuse: 5 A quick-acting fuse

Reset Mode: Automatic (time to reset is 35-50 ms)

External Device Monitoring (EDM): N/C loop X1–X2

Mechanical

Mounting: 35 mm (1.38 in.) DIN rail

Case Material: Polyamide PA6.6

Max Wire Size: 2 x 1 mm (20 AWG) stranded; 2 x 1.5 mm (15 AWG) solid

Weight: 197 g (6.9 oz.)

Color: Red

Internal Switches: None

Indication: Green = Outputs closed

Mechanical Life: 1 x 106 operations

Environmental

Enclosure Protection: IP40 (NEMA 1)

Operating Temperature: -10 to 55°C (14 to 131°F)

Humidity: 90% RH at 50°C (122°F)

Specifications are subject to change without notice.

Note: The safety contacts of the STI switches are described as normally closed (N/C)—i.e., with the guard closed, actuator in place, and the machine

able to be started.

■

Ordering

Model Supply Inputs Outputs Auxiliary Part No.

SR05A24 24 VAC/DC 1 N/C 3 N/O 1 N/C 44510-0300

SR05A

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Authorized Distributor:

J226I-E-01 07/15 Note: Specifications are subject to change. © 2015 Omron Electronics LLC Printed in U.S.A.

Printed on recycled paper.

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