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RIB ESR2402B Enclosed Pre-Wired Relay, 20 A, SPDT, 0.50 in NPT - Emergency Lighting Bypass/Shunt Relays
RIBEmergency Lighting Bypass/Shunt Relays

RIB ESR2402B Enclosed Pre-Wired Relay, 20 A, SPDT, 0.50 in NPT

The RIB Enclosed Pre-Wired Relay (MPN ESR2402B) is an emergency lighting bypass/shunt relay with a 20 A rating and SPDT configuration. It features a 0.50 in NPT nipple size and is supplied by RIB.

SKU 3G-OTH-38898

Brand
RIB
Item
ESR2402B Enclosed Pre-Wired Relay, 20 A, SPDT, 0.50 in NPT
Part Number
ESR2402B
Category
Emergency Lighting Bypass/Shunt Relays
Available to Order
Also known as:ESR2402BRIB
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Technical Specifications

RIB
Manufacturer Part Number
ESR2402B
Nipple Size
0.50 in NPT

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RIB Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RIB Enclosed Pre-Wired Relay (MPN ESR2402B) is an emergency lighting bypass/shunt relay with a 20 A rating and SPDT configuration. It features a 0.50 in NPT nipple size and is supplied by RIB.

Frequently Asked Questions

What is the RIB Enclosed Pre-Wired Relay ESR2402B used for?

The RIB ESR2402B is an emergency lighting bypass/shunt relay. It is used to override normal lighting controls during a power failure, ensuring emergency lights remain on for safety compliance in commercial and industrial buildings.

What are the specifications of the RIB ESR2402B relay?

The RIB ESR2402B is a 20 A rated, SPDT enclosed pre-wired relay with a 0.50 in NPT nipple size. It is designed for emergency lighting bypass/shunt applications and is manufactured by RIB.

Where to buy the RIB ESR2402B relay worldwide?

3G Electric supplies the RIB ESR2402B relay worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this RIB relay for your project.

How to install the RIB ESR2402B emergency lighting relay?

Install the RIB ESR2402B by mounting it via the 0.50 in NPT nipple in a junction box. Connect the pre-wired leads per the wiring diagram for SPDT shunt operation. Always follow local electrical codes and consult a licensed electrician for emergency lighting systems.

Used in

Common applications for RIB
HVAC systems — RIBXGHTF current sensor relay for undercurrent monitoring of fan motors
Pump control panels — RIBXGTA adjustable current sensing relay for pump motor protection
Industrial motor control — RIBXGTF fixed trip point relay for conveyor motor undercurrent detection
Lighting circuits — RIBXKF current sensor relay for monitoring lighting load current
Wireless control systems — RIB wireless control relays for remote switching of equipment
Shunt-based monitoring — RIB shunt relays for current measurement in DC systems
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RIB Products

3G Electric supplies RIB emergency lighting bypass/shunt relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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