We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

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
Category
Emergency Lighting Bypass/Shunt Relays
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

RIB
Manufacturer Part Number
ESR2402B
Nipple Size
0.50 in NPT

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

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 control — RIB enclosed pre-wired relays (e.g., RIB2421C) for switching fan coils and damper actuators
Lighting control — RIB wireless relays (RIBW208B-EN3) for remote switching of high-bay or parking lot lighting
Pump monitoring — RIB adjustable current sensing relay (RIBXKTA) for detecting dry-run conditions in water pumps
Process automation — RIB 3PST-NO relays (RIB013P) for interlocking conveyor systems or motor starters
Building management — RIB wireless transmitter/receiver pairs for retrofitting legacy control panels without new wiring

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
General purpose lighting control relay with SPST-NO contact configuration rated at 10 A. Features a 0.50 in NPT nipple for conduit mounting. Enclosed and pre-wired for simplified installation in commercial and industrial lighting control systems
RIB
General purpose lighting control relay with SPST-NO contact configuration rated at 10 A. Features a 0.50 in NPT nipple for conduit mounting. Enclosed and pre-wired for simplified installation in commercial and industrial lighting control systems
General purpose lighting control relay with 10 A rating and SPST-NO contact configuration. Enclosed pre-wired design with 0.50 in NPT nipple for conduit mounting. Used for switching lighting loads via low-voltage control signals in commercial and industrial systems
RIB
General purpose lighting control relay with 10 A rating and SPST-NO contact configuration. Enclosed pre-wired design with 0.50 in NPT nipple for conduit mounting. Used for switching lighting loads via low-voltage control signals in commercial and industrial systems
General purpose power relay with SPST-NO contact configuration and 10 A rating. Enclosed pre-wired design with 0.50 in NPT nipple for installation in junction boxes or panels. Suitable for on/off control of electrical loads in commercial and light industrial applications
RIB
General purpose power relay with SPST-NO contact configuration and 10 A rating. Enclosed pre-wired design with 0.50 in NPT nipple for installation in junction boxes or panels. Suitable for on/off control of electrical loads in commercial and light industrial applications
Enclosed pre-wired relay with SPST-NO contact configuration and 10 A rating. Features a 0.50 in NPT nipple size for conduit mounting. Suitable for switching lighting circuits, HVAC equipment, and other electrical loads in commercial and industrial building management systems
RIB
Enclosed pre-wired relay with SPST-NO contact configuration and 10 A rating. Features a 0.50 in NPT nipple size for conduit mounting. Suitable for switching lighting circuits, HVAC equipment, and other electrical loads in commercial and industrial building management systems
General purpose power relay with 30 A rating and DPST-NO contact configuration. Enclosed pre-wired design with 0.50 in NPT nipple for panel mounting. Suitable for switching high-current loads in commercial and industrial control applications
RIB
General purpose power relay with 30 A rating and DPST-NO contact configuration. Enclosed pre-wired design with 0.50 in NPT nipple for panel mounting. Suitable for switching high-current loads in commercial and industrial control applications
Enclosed pre-wired power relay with 20 A rating and 3PST-NO contact configuration. Features a 0.50 in NPT nipple for conduit mounting. Suitable for on/off control of motors, pumps, and resistive heaters in commercial building systems
RIB
Enclosed pre-wired power relay with 20 A rating and 3PST-NO contact configuration. Features a 0.50 in NPT nipple for conduit mounting. Suitable for on/off control of motors, pumps, and resistive heaters in commercial building systems

More from RIB

View all RIB parts
Emergency lighting bypass/shunt relay with DPDT configuration and 20 A rating. Enclosed and pre-wired with a 0.50 in NPT nipple for conduit mounting. Automatically switches lighting circuits to emergency power during mains failure, used in commercial and industrial facilities for safety egress
RIB
Emergency lighting bypass/shunt relay with DPDT configuration and 20 A rating. Enclosed and pre-wired with a 0.50 in NPT nipple for conduit mounting. Automatically switches lighting circuits to emergency power during mains failure, used in commercial and industrial facilities for safety egress
The RIB ESR2402D is an enclosed pre-wired relay with a 10 A rating and DPDT contact configuration. It features a 0.50 in NPT nipple for conduit mounting. This relay is used in emergency lighting bypass/shunt applications to control lighting circuits during mains failure
RIB
The RIB ESR2402D is an enclosed pre-wired relay with a 10 A rating and DPDT contact configuration. It features a 0.50 in NPT nipple for conduit mounting. This relay is used in emergency lighting bypass/shunt applications to control lighting circuits during mains failure
Emergency lighting bypass/shunt relay with 20 A rating and DPDT contact configuration. Enclosed pre-wired unit with 0.50 in NPT nipple for conduit mounting. Used to switch emergency lighting circuits during power loss or testing in industrial facilities
RIB
Emergency lighting bypass/shunt relay with 20 A rating and DPDT contact configuration. Enclosed pre-wired unit with 0.50 in NPT nipple for conduit mounting. Used to switch emergency lighting circuits during power loss or testing in industrial facilities
This enclosed pre-wired relay is designed for emergency lighting bypass and shunt applications. It features a 20 A SPDT contact configuration and a 0.50 in NPT nipple for conduit mounting. The coil accepts 24V AC/DC or 120V AC, making it suitable for use in commercial and industrial egress lighting systems
RIB
This enclosed pre-wired relay is designed for emergency lighting bypass and shunt applications. It features a 20 A SPDT contact configuration and a 0.50 in NPT nipple for conduit mounting. The coil accepts 24V AC/DC or 120V AC, making it suitable for use in commercial and industrial egress lighting systems