Product Detail Manual

2014-10-17

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B50

EMERGENCY LIGHTING EQUIPMENT

Replaces models B50U & BDL500
One- or two-lamp operation;
Universal input voltage:
120 through 277 VAC, 50/60 Hz;
End-of-lamp-life compatible

A Division Of Philips Electronics North America Corporation

1.5"

Product Summary
B50

2.4"

UL LISTED FOR US AND CANADA
	Factory or Field Installation
(Indoor and Damp)

EMERGENCY LIGHTING EQUIPMENT

13.3”

Illumination Time
	90 Minutes

APPLICATION

Initial Light Output
	Up to 1400 Lumens

The B50 emergency ballast works in conjunction with an AC ballast to convert new
or existing fluorescent fixtures into emergency lighting. The emergency ballast handles a wide
range of input voltages and frequencies and consists of a high-temperature nickel-cadmium
battery, charger and electronic circuitry in one compact red case. The B50 can be used with most
17 - 215 W (2’ - 8’) T8, T9, T10 or T12 fluorescent lamps without integral starters, including
U-shaped, HO, VHO, circline and energy-saving, and (4-pin) long compacts. One- or twolamp operation may be selected (see Table 1). It is also compatible with most single- and
multi-lamp electronic and dimming AC ballasts. If used in an emergency-only fixture, no AC ballast is
necessary. The B50 is suitable for indoor and damp locations and for sealed & gasketed fixtures,
including fixtures rated for wet locations. It is not suitable for air handling heated air outlets or wet or
hazardous locations. For information about specific lamp and ballast compatibility, please call the
factory. Recommended applications include: international line voltages from 120 through 277 VAC
(50 or 60 Hz); drilling rigs where generators are the primary source of power; and other applications
requiring higher tolerance of line voltage variation or harmonic distortion.

Full Warranty
	5 Years (NOT pro-rata)
Voltage
	120 Through 277 VAC, 50 or 60 Hz
AC Input Current
	55 mA
AC Input Power Rating
	5.0 Watts
Test Switch
	Single Pole
Battery
	High-Temperature, Maintenance-Free
	Nickel-Cadmium Battery
	7- to 10-Year Life Expectancy

OPERATION

When AC power fails, the B50 immediately switches to the emergency mode, operating either one or
two lamps at a reduced lumen output for a minimum of 90 minutes. When the AC power is restored,
the emergency ballast automatically returns to the charging mode and, using a patented circuit,
delays AC ballast operation for approximately three seconds to prevent false tripping of the AC
ballast end-of-lamp-life shutdown circuits.

Battery Charging Current
	300 mA
Recharge Time
	24 Hours

INSTALLATION

Charging Indicator Light
	LED

The B50 does not affect normal fixture operation and may be used with either a switched or
unswitched fixture. If a switched fixture is used, an unswitched hot lead must be connected to the
emergency ballast. The emergency ballast must be fed from the same branch circuit as the AC ballast.
The B50 may be installed inside, on top of or remote from the fixture. The emergency ballast may
be remotely installed up to half the distance the AC ballast manufacturer recommends remoting the
AC ballast from the lamp or up to 50 feet, whichever is less. Installation is not recommended with
fixtures where the ambient temperature may fall below 0°C.

Temperature Rating (Ambient)
	0°C to +50°C
	(32°F to 122°F)
Dimensions
	13.3” x 2.4” x 1.5”
	(339 mm x 60 mm x 38 mm)
	Mounting Center 12.8” (325 mm)

UL and CODE COMPLIANCE

The B50 has been tested by Underwriters Laboratories in accordance with the standards set forth
in UL 924, “Emergency Lighting and Power Equipment,” and CSA C22.2 No. 141, “Emergency
Lighting Equipment.” The B50 is UL Listed for factory or field installation. Emergency illumination
time exceeds the National Electrical Code (NEC), Life Safety Code (NFPA–LSC) and UL 90-minute
requirements.

Weight
	3.5 lbs. (1.59 kg)

L2300008

Specifiers Reference
Project
Comments

Type

Model No.

11/06/12 © Philips Emergency Lighting
P.O. Box 460 Collierville, TN USA 38027-0460
Sales 800-223-5728 FAX 901-853-5009
Tech. Support 888-263-4638
www.philips.com/bodine

B50

EMERGENCY LIGHTING EQUIPMENT

Replaces models B50U & BDL500

One- or two-lamp operation;
Universal input voltage:
120 through 277 VAC, 50/60 Hz;
End-of-lamp-life compatible

EMERGENCY ILLUMINATION

Depending on the number (one or two), wattage and type of lamps selected, the B50 produces up
to 1400 lumens initial emergency light output (see Table 2). If two-lamp operation is selected, light
output is evenly divided between the lamps for better distribution of emergency illumination.

SPECIFICATION

Emergency lighting shall be provided by using a standard fluorescent fixture equipped with a
Philips Bodine B50 emergency ballast. This emergency ballast shall consist of a high-temperature,
maintenance-free nickel-cadmium battery, charger and electronic circuitry contained in one 13 3/8”
x 2 3/8” x 1 1/2” red metal case. A solid-state charging indicator light to monitor the charger
and battery, a single-pole test switch and installation hardware shall be provided. The emergency
ballast, using a patented circuit, shall delay AC ballast operation for approximately three seconds to
prevent false tripping of AC ballast end-of-lamp-life shutdown circuits. The emergency ballast shall be
capable of operating [one or two] ________ fluorescent lamp(s) (see Table 1) at _________
lumens (see Table 2) initial light output in the emergency mode for a minimum of 90 minutes. It shall
be suitable for indoor and damp locations and for sealed & gasketed fixtures, including fixtures rated
for wet locations. The B50 shall operate at any line voltage from 120 through 277 VAC at frequencies
of 50 or 60 Hz. The B50 shall have 5.0 Watts of input power and a 24 Watt-hour battery capacity
and shall exceed emergency standards set forth by the current NEC and CEC. The emergency ballast
shall be UL Listed for installation inside, on top of or remote from the fixture and shall be warranted
for a full five years from date of purchase.

WARRANTY

Model B50 is warranted for five (5) full years from date of purchase. This warranty covers only
properly installed Philips Bodine emergency ballasts used under normal conditions. For the
warranty period, Philips Emergency Lighting will, at its option, repair or replace without charge a
defective emergency ballast, provided it is returned to the factory transportation prepaid and our
inspection determines it to be defective under terms of the warranty. Repair or replacement, as stated
above, shall constitute the purchaser’s exclusive warranty, which does not extend to transportation,
installation, labor or any other charges; nor does it apply to any equipment of another manufacturer
used in conjunction with the emergency ballast.

Table 1 - Lamp Compatibility
LAMP
DIAMETER

BASE

1", 1¼", 1½"
T8, T9, T10, T12

Single or
Bipin

WATTAGE

NO. of LAMPS
(EMERGENCY)

(Length)

1

Long Compact

17-40 W (2'-4')
2
40-215 W (5'-8')

1

18-55 W

1

4-pin (2G11

Table 2 - Initial Lumen Output

LAMP

LUMENS
1 Lamp

2 Lamps

FO25, FBO24 T8

1250

1100

FO32, FBO31 T8

1350

1350

FO96 T8

1400

FO17, FBO16

1050

950

F40T12, F40/U

1100

1100

F48T12/HO

1200

F96T12, HO, VHO

1100

F39/36BX, PL-L 36W, Dulux L 39W

1100

1100

F28 2D/4P

1100

1100

F38 2D/4P

1000

1100

F27/24BX, PL-L 24W, Dulux L 27W

1000

F40T12/ES (34 W)

975

PL-L 40W, F40/30BX, F50BX,
PL-L 50W, Dulux L 55W

900

975

L2300008
11/06/12 © Philips Emergency Lighting
P.O. Box 460 Collierville, TN USA 38027-0460
Sales 800-223-5728 FAX 901-853-5009
Tech. Support 888-263-4638
www.philips.com/bodine

For the most current technical information and notices, please visit TechNotes on our website.
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