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RIB Wireless Relay and Transmitter: 20 A Current Rating, 277V AC - Surface-Mounted Wireless Control Relays
RIBSurface-Mounted Wireless Control Relays

RIB Wireless Relay and Transmitter: 20 A Current Rating, 277V AC

The RIB Wireless Relay and Transmitter is a surface-mounted wireless control relay with a 20 A current rating and 277V AC operation. It communicates via Wireless 902 MHz and features a 0.50 in NPT nipple size. This…

SKU 3G-OTH-39194

Brand
RIB
Item
Wireless Relay and Transmitter: 20 A Current Rating, 277V AC
Category
Surface-Mounted Wireless Control Relays
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Technical Specifications

RIB
Manufacturer Part Number
RIBW277B-EN3
Type
Wireless 902 MHz
AC
277V
Nipple Size
0.50 in NPT
Communication Method
Wireless 902 MHz
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RIB Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The RIB Wireless Relay and Transmitter is a surface-mounted wireless control relay with a 20 A current rating and 277V AC operation. It communicates via Wireless 902 MHz and features a 0.50 in NPT nipple size. This RIBW277B-EN3 model is designed for remote switching applications.

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 surface-mounted wireless control relays. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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