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Wattstopper PLUS Emergency Lighting Load Control Enclosed Relay with Auxiliary Contacts, Yellow

ESRLB-U Wattstopper

The ESRLB-U Emergency Relay allows for local power sense, bringing fixtures to full brightness on loss of normal power. The ESRLB-U is UL924 certified and includes a 6A Single Pole Single Throw relay as well as a built in 0-10V break.

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Features

6 Amp SPST Relay
Slim form factor suitable for in fixture mounting
Includes 0-10V emergency override
No EM side power draw
Plenum rated

Specifications

General Info

Color	Yellow
Type	Emergency Load Controller
Material	Plastic
Finish	Matte
Application Sector	Commercial
Product Line	Wattstopper
Features	Emergency Relay
Installation Location	Above Ceiling
Warranty Type	5-Year
Standard	cUL, RoHS, UL, CE

Dimensions

Product Depth US	1.4 in
Product Height US	1.0 in
Product Width US	5.63 in
Product Weight US	6.8 oz

Listing Agencies / 3rd Party Agencies

CE Certified	Yes
cUL Listed	Yes

Additional Information

Product Has Potential to Contribute to LEED	Yes	This product contributes to earning credits in the LEED rating system. Visit our LEED with Legrand webpage for more information.
Energy Savings	Yes
RoHS Compliant	Yes	This product meets the material restrictions of Article 4 of the RoHS Directive (2011/65/EU), including Commission Delegated Directive 2015/863.

Technical Information

Current Draw	6 mA
Wire Connection Type	Wire Leads
Compatibility	Wattstopper PLUS Wired, Wattstopper PLUS Wireless
Contact Rating	120VAC, 6A, 277VAC, 5A
Has Battery	No
Indicator	Relay Status LED
Indoor/Outdoor	Indoor
Input Voltage	120 to 277 VAC
Line Frequency	50 Hz, 60 Hz
Location Rating	Dry
Mounting Type	Fixture Embedded
Number of Poles	Single Pole
Number of Relays	1
Operating Temperature	-30°-140°F
Operating Temperature Max	140 °F
Operating Temperature Min	-30 °F
Operating Humidity	5-95% RH (Non-Condensing)
Throw Type	Single Throw

Resources

Cutsheet

ESRLB-U Cutsheet

pdf

Reviews

Questions & Answers

Which o-10v dimmer is suitable for AD-RRU-X-UNV

Asked by: praveen

The LVOS-0-10-PWM-P-1 dimmer switch is a compatible and suitable option for use with the AD-RRU-X-UNV. This dimmer supports 0-10V control protocols and is designed to interface effectively with devices that utilize low-voltage dimming inputs, ensuring reliable performance and smooth dimming operation. Please ensure that all installation and wiring guidelines are followed as specified in the product documentation to ensure proper operation.

Answered by: Tier 1 Tech Support

Date published: 2025-06-17