HCS UL1008BCELTS1277 Spec Sheet

2018-07-28

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Emergency Lighting Control
Branch Circuit Emergency Lighting Control Transfer Switch
Project Name						
Catalog No.						Date

The UL1008BCELTS1277 is specifically listed for branch circuit
emergency lighting control under the new UL standards. This unit
is intended for applications where both a normal and emergency
branch circuit are to be connected to the emergency lighting. The
UL1008BCELTS1277 automatically transfers from normal to emergency
power source upon loss of normal power in the space.
The UL1008BCELTS1277 allows emergency lighting to be dimmed
with normal lighting during normal times. In the event of a utility
power interruption, the UL1008BCELTS1277 will automatically transfer
designated emergency fixtures from the dimming control to the
emergency power source and bring them to full brightness, regardless
of whether the dimming system is in operation or turned off.

Product Features

Compliance and Certification

• UL1008 listed for transfer of branch circuits
• Transfer includes neutral wire			
• Compatible with all dimming systems			
• Integral front mounted test switch
• Fire alarm interface option
• Safety interlock system prevents cross connection
• 50A relay contacts allow for high inrush loads

Dimensional Data

• Suitable for flush or surface mounting
• Works with both inverter and generator systems

6"
(152.4 mm)

0.5"
(12.7 mm)

6"
(152.4 mm)

4.3"
(109.2 mm)

1.9"
(48.3 mm)

Ordering Information
UL1008BCELTS1277

UL1008BCELTS1277

1

MODEL
Branch circuit emergency transfer switch, 120/277 VAC

701 Millennium Blvd. | Greenville, SC 29607 | (864) 678-1000 | (866) 898-0131 - fax www.hubbellcontrolsolutions.com
Copyright © 2018 Hubbell Control Solutions, a division of Hubbell Lighting, Inc. All rights reserved. All product and company names, logos and product
identifiers are trademarks ™ or registered trademarks ® of Hubbell Lighting, Inc. or their respective owners. Use of them does not necessarily imply any
affiliation with or endorsement by such respective owners.

6005A 072418

Emergency Lighting Control

Branch Circuit Emergency Lighting Control Transfer Switch

Wiring Diagrams

NORMAL
ROOM
LIGHTS

Normal
Utility Power
Normal
Utility Power
Normal
Utility Power
Normal
Utility
Power
Emergency
Power Source

EMERGENCY
LIGHTING

NORMAL
PANEL

UL 1008
Transfer Switch
or Equivalent

Emergency
(Neutral
Not Shown) UL 1008
Power Source
Transfer Switch
or Equivalent

EMERGENCY
PANEL OR
INVERTER

DESIGNATED
EMERGENCY
LIGHTS

UL1008BCELTS1277

EMERGENCY
PANEL OR
INVERTER

(Neutral Not Shown)

NORMAL
ROOM
LIGHTS
DESIGNATED
EMERGENCY
LIGHTS

EMERGENCY
LIGHTING

NORMAL
PANEL

UL1008BCELTS1277

Note: Dimmer may be a stand-alone dimmer, multi-zone dimmer
UL1008BCELTS1277
UL1008BCELTS1277
(such as Grafik Eye), or central dimming
panel. One UL1008BCELTS1277
is required per dimming zone with emergency lighting.
Note: Dimmer may be a stand-alone dimmer, multi-zone dimmer

(such as Grafik Eye), or central dimming panel. One UL1008BCELTS1277
Schematic
Wiringper
Diagram
Fire
Alarmzone
Jumper
is requiredRed
dimming
with emergency lighting.
(see additional resources)

20A

20A
EMERGENCY
PANEL OR
INVERTER

EMERGENCY HOT

NORMAL HOT

Red Fire Alarm Jumper
(see additional resources)
EMERGENCY
POWER

EMERGENCY HOT

TEST
SWITCH
EMERGENCY
POWER
UTILITY
POWER
TEST
SWITCH

EMERGENCY
PANEL OR
INVERTER
EMERGENCY NEUTRAL

UTILITY
POWER

Note: Emergency Light is also called
N/E LIght or Normal/Emergency
Light by
many specifiers
EMERGENCY
NEUTRAL

NORMAL HOT

Normal Light (optional)

20A

20A
NORMAL
PANEL
NORMAL
PANEL

NORMAL NEUTRAL
Normal Light (optional)

NORMAL
NEUTRAL
Note:
Typical 2-Wire Dimming shown.
Please see installation instructions for
3-wire and 0-10V wiring diagrams

Note: Emergency Light is also called
N/E LIght or Normal/Emergency
Light by many specifiers

Note: Typical 2-Wire Dimming shown.
Please see installation instructions for
3-wire and 0-10V wiring diagrams

Wire Termination Diagram

General Specifications

Electrical

Mechanical

2

Sensing Input

120V-277V

Load Rating

120V-277V (16A)

Ballast Load Rating

16A Magnetic/ 16A Electronic

Incandescent Load

1920W (120V) / 4432W (277V)

Mounting

4-11/16" Back-up Box, no plater ring required

Rating

UL94V-0

Shipping Weight

18 oz.

Color

White

Certifications

UL1008 Listed

Temperature

32°F - 140°F (0°C - 6°C)

Warranty

5 Year Replacement Warranty

701 Millennium Blvd. | Greenville, SC 29607 | (864) 678-1000 | (866) 898-0131 - fax www.hubbellcontrolsolutions.com
Copyright © 2018 Hubbell Control Solutions, a division of Hubbell Lighting, Inc. All rights reserved. All product and company names, logos and product
identifiers are trademarks ™ or registered trademarks ® of Hubbell Lighting, Inc. or their respective owners. Use of them does not necessarily imply any
affiliation with or endorsement by such respective owners.

6005A 072418



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