Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
RIB logo

RIB

RIB (Relay Interface Board) is a brand specializing in industrial-grade relays and lighting controls, known for its pre-wired, enclosed relay solutions that simplify installation in commercial and industrial applications. The product line includes general-purpose power relays, adjustable current sensing relays, and wireless control relays operating at 902 MHz. RIB relays are typically surface-mounted and feature a 0.50-inch NPT nipple for conduit connections, with current ratings ranging from 0.8 A to 20 A and voltage options from 24V AC/DC to 480V AC. Contact configurations include SPDT and 3PST-NO, with models offering adjustable trip points for undercurrent monitoring. The wireless relay series (RIBW) integrates a transmitter and receiver for remote switching without hardwired control signals, suitable for retrofit or distributed control scenarios. 3G Electric stocks over 55 SKUs of RIB products, providing datasheets and logistics support for global procurement. Engineers and maintenance managers rely on RIB for its standardized form factor, which reduces wiring time and panel space, and for its compatibility with building management systems. The brand's focus on enclosed, pre-wired designs addresses the need for reliable switching in HVAC, lighting, pump control, and process automation. 3G Electric supports these applications by offering a range of RIB models with varying coil voltages, contact ratings, and special functions like current sensing, enabling precise specification for voltage and load requirements.

Genuine
OEM Parts
Expert
Tech Support
1 Day
Quote Response
Worldwide
Origin
Worldwide Shipping
Air & sea freight
Datasheets on Request
Technical specs & drawings
1-Day Quote Response
Singapore-based team
Browse:
Show
Page 4 of 6

About RIB

RIB (Relay Interface Board) is a brand specializing in industrial-grade relays and lighting controls, known for its pre-wired, enclosed relay solutions that simplify installation in commercial and industrial applications. The product line includes general-purpose power relays, adjustable current sensing relays, and wireless control relays operating at 902 MHz. RIB relays are typically surface-mounted and feature a 0.50-inch NPT nipple for conduit connections, with current ratings ranging from 0.8 A to 20 A and voltage options from 24V AC/DC to 480V AC. Contact configurations include SPDT and 3PST-NO, with models offering adjustable trip points for undercurrent monitoring. The wireless relay series (RIBW) integrates a transmitter and receiver for remote switching without hardwired control signals, suitable for retrofit or distributed control scenarios. 3G Electric stocks over 55 SKUs of RIB products, providing datasheets and logistics support for global procurement. Engineers and maintenance managers rely on RIB for its standardized form factor, which reduces wiring time and panel space, and for its compatibility with building management systems. The brand's focus on enclosed, pre-wired designs addresses the need for reliable switching in HVAC, lighting, pump control, and process automation. 3G Electric supports these applications by offering a range of RIB models with varying coil voltages, contact ratings, and special functions like current sensing, enabling precise specification for voltage and load requirements.

Common Applications

  • 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

Frequently asked questions

Common questions about RIB from 3G Electric.

What are the typical voltage and current ratings for RIB enclosed pre-wired relays?

RIB enclosed pre-wired relays are available with coil voltages from 24V AC/DC to 480V AC and contact current ratings up to 20 A. For example, the RIB2421C is rated at 10 A SPDT, while the RIB013P and RIB043P handle 20 A at 3PST-NO. Always verify the specific model's datasheet for exact ratings, as voltage and current limits vary by configuration.

How does the RIB wireless relay system (RIBW series) communicate, and what is its range?

The RIB wireless relay system uses a 902 MHz frequency for communication between the transmitter and receiver. This frequency band is license-free in many regions and provides reliable signal penetration through walls and obstacles typical in industrial environments. The system is designed for line-of-sight ranges up to several hundred feet, but actual range depends on building materials and interference. The relay is surface-mounted with a 0.50-inch NPT nipple for conduit entry.

Can RIB adjustable current sensing relays be used for undercurrent monitoring?

Yes, the RIBXKTA adjustable current sensing relay is specifically designed to monitor undercurrent conditions. It features an adjustable trip point from 0.05 to 10 A, set via a switch, and connects via a terminal strip. This makes it suitable for detecting pump dry-run, belt breakage, or load loss in motor-driven equipment. The relay is surface-mounted and operates at 30V AC/DC.

What is the significance of the 0.50-inch NPT nipple on RIB relays?

The 0.50-inch NPT nipple on RIB relays provides a standardized conduit connection for wiring, allowing the relay to be mounted directly to a junction box or enclosure. This simplifies installation by eliminating the need for separate conduit fittings and reduces the risk of moisture ingress when properly sealed. It is a common feature across RIB's enclosed pre-wired and wireless relay families.

Are RIB relays suitable for outdoor or wet location installations?

RIB relays are typically designed for indoor use in dry locations, as they are enclosed but not rated for direct exposure to moisture. For outdoor or wet environments, the relay should be installed inside a weatherproof enclosure. The 0.50-inch NPT nipple allows for conduit sealing to maintain environmental integrity. Always consult the specific model's IP rating or installation guidelines for environmental suitability.

Does 3G Electric supply RIB products?

Yes — 3G Electric (S) Pte. Ltd. supplies RIB products. We stock the RIB catalog and supply genuine factory-original products with full manufacturer warranty and technical support.