UL924cutsheet2009 Hba Ul924 Spec

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LX Series – Networked Lighting Controls
UL 924 Enclosed 20 Amp
SPDT Bypass Relays
KEY FEATURES
• 20 Amp 120/277 VAC SPDT Relay
• Available with either 24 VAC/DC/120 VAC Coil
or 24 VAC/DC/208-277 VAC Coil
• LED status indicator
• N.O. isolated contacts
• UL and cUL listed
• One-year warranty

OVERVIEW
Hubbell Building Automation’s Enclosed 20 Amp SPDT UL 924
Bypass Relays from Functional Devices, Inc. provide an isolated
N.C. contact that can be used to provide bypass shunt to power
emergency egress lighting directly from the emergency generator
source. The coil in these relays is powered by a normal power supply
and when the loss of commercial power occurs the contact returns
to its Normally Closed state and bypasses controls to the emergency
egress lighting. These fixtures will remain connected directly to generator
emergency source until transfer back to normal power occurs. An externally
visible LED indicates the generator power source status of the contacts.
SPECIFICATIONS
# Relays & Contact Type

• One (1) SPST Continuous Duty Coil

Expected Relay Life

• 10 million cycles minimum mechanical

Gold Flash

• No

Contact Ratings

•
•
•
•
•
•
•
•

20 Amp Resistive @ 277 VAC
20 Amp Ballast N/O @ 120/277 VAC
10 Amp Ballast N/C @ 120/277 VAC
10 Amp Tungsten @ 120 VAC
770 VA Pilot Duty @ 120 VAC
1110 VA Pilot Duty @ 277 VAC
2 HP @ 277 VAC
1 HP @ 120 VAC

Hubbell Building Automation, Inc. | 9601 Dessau Road | Building One | Austin, Texas 78754 | {512} 450-1100 | {512} 450-1215 fax
hubbell-automation.com
1.2009

Coil Current

•
•
•
•

45 mA @ 18 VAC
75 mA @ 24 VAC
42 mA @ 120 VAC
62 mA @ 208-277 VAC

Coil Voltage Input

•
•
•
•

LX924BR1: 24 VAC/DC, 120 VAC; 50-60Hz
LX924BR2: 24 VAC/DC, 208-277 VAC; 50-60Hz
Drop Out = 2.1 VAC / 3.8 VDC
Pull In = 18 VAC / 22 VDC

Operating environment

• -30o to 140oF

Dimensions

• 2.3” x 3.2” x 1.8” with 0.5 “ NPT nipple

Housing Rating

• Plenum, NEMA 1

Wires

• 16”, 600V Rated

Certifications

• UL and cUL Listed, UL924, UL916, UL864,
California State Fire Marshal, CE

Warranty

• 1 year

HOW TO ORDER
Catalog Number
LXUL924BR1
LXUL924BR2

30 mA @ 22 VDC
32 mA @ 24 VDC
42 mA @ 30 VDC

Description
LX UL924 Enclosed Relay 20 Amp SPDT with 24 VAC/DC/120 VAC Coil
LX UL924 Enclosed Relay 20 Amp SPDT with 24 VAC/DC/208-277 VAC Coil

WIRING DIAGRAMS

LXUL924BR1

LXUL924BR2

Hubbell Building Automation, Inc.
9601 Dessau Road | Building One | Austin, Texas 78754
{512} 450-1100 | {512} 450-1215 fax
hubbell-automation.com



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