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

3G Electric
RFQ CartGet a QuoteSign inSign up
RIB Enclosed Pre-Wired Relay: 10 A Rating, SPDT - General Purpose Power Relays
RIBGeneral Purpose Power Relays

RIB Enclosed Pre-Wired Relay: 10 A Rating, SPDT

The RIB Enclosed Pre-Wired Relay is a general purpose power relay from RIB, featuring a 10 A rating and SPDT contact configuration. This model (MPN RIB2421C) includes a 0.50 in NPT nipple size for installation.

SKU 3G-OTH-37609

Brand
RIB
Item
Enclosed Pre-Wired Relay: 10 A Rating, SPDT
Category
General Purpose Power Relays
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

RIB
Manufacturer Part Number
RIB2421C
Nipple Size
0.50 in NPT
View Full Spec Sheet

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 is a general purpose power relay from RIB, featuring a 10 A rating and SPDT contact configuration. This model (MPN RIB2421C) includes a 0.50 in NPT nipple size for installation.

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 used for?

The RIB Enclosed Pre-Wired Relay is a general purpose power relay used for switching electrical loads in HVAC, lighting, and industrial control panels. Its SPDT contact configuration and 10 A rating make it suitable for on/off control of motors, pumps, and other equipment in commercial and light industrial applications.

What are the specifications of the RIB2421C relay?

The RIB2421C is an enclosed pre-wired relay from RIB with a 10 A rating and SPDT contact configuration. It features a 0.50 in NPT nipple size for conduit mounting. The relay is designed for general purpose power switching and is pre-wired for easy installation in control panels and junction boxes.

Where to buy the RIB2421C relay worldwide?

3G Electric supplies the RIB2421C relay worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this RIB relay to any country.

How to install the RIB Enclosed Pre-Wired Relay?

Install the RIB relay by mounting it through a 0.50 in NPT knockout in a junction box or panel. Secure the nipple with a locknut, then connect the pre-wired leads to your control circuit and load. Ensure the supply voltage matches the relay coil rating and that the load does not exceed 10 A. Follow local electrical codes.

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 general purpose power 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 →

Similar products

Matched by specification & description
RIB Enclosed Pre-Wired Relay: 20 A Rating, DPDT, 0.50 in NPT (MPN RIB24P). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.
RIB
RIB Enclosed Pre-Wired Relay: 20 A Rating, DPDT, 0.50 in NPT (MPN RIB24P). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.
ENERPAC General Purpose Hydraulic Ram: 12 ton Nominal Capacity, 5/16 in Nominal Stroke Lg, 0.68 in (MPN RCH120). Key specifications — attr1099385: 0.68 in.
ENERPAC
ENERPAC General Purpose Hydraulic Ram: 12 ton Nominal Capacity, 5/16 in Nominal Stroke Lg, 0.68 in (MPN RCH120). Key specifications — attr1099385: 0.68 in.
ENERPAC Cylinder: Double Acting, 200 ton Nominal Capacity, 13 in Nominal Stroke Lg, Steel (MPN RR20013). Key specifications — attr98927: ENERPAC.
ENERPAC
ENERPAC Cylinder: Double Acting, 200 ton Nominal Capacity, 13 in Nominal Stroke Lg, Steel (MPN RR20013). Key specifications — attr98927: ENERPAC.
ENERPAC Hollow Cylinder: 12 ton Nominal Capacity, 1 5/8 in Nominal Stroke Lg, 0.77 in, Single Acting (MPN RCH121). Key specifications — attr1099385: 0.77 in.
ENERPAC
ENERPAC Hollow Cylinder: 12 ton Nominal Capacity, 1 5/8 in Nominal Stroke Lg, 0.77 in, Single Acting (MPN RCH121). Key specifications — attr1099385: 0.77 in.
ENERPAC
ENERPAC
ENERPAC General Purpose Hydraulic Cylinder: Single Acting, 105 ton Nominal Capacity (MPN RC1002). Key specifications — attr98927: ENERPAC.
ENERPAC Cylinder: Double Acting, 300 ton Nominal Capacity, 12 in Nominal Stroke Lg, Steel (MPN RR30012). Key specifications — attr98927: ENERPAC.
ENERPAC
ENERPAC Cylinder: Double Acting, 300 ton Nominal Capacity, 12 in Nominal Stroke Lg, Steel (MPN RR30012). Key specifications — attr98927: ENERPAC.

More from RIB

View all RIB parts →
RIB Enclosed Pre-Wired Relay: 10 A Rating, 10-30V AC/DC, 3PST-NO/SPDT, 0.50 in NPT (MPN RIBL4C). Key specifications — Nipple Size: 0.50 in NPT; Coil Voltage: 10-30V AC/DC; Brand: RIB.
RIB
RIB Enclosed Pre-Wired Relay: 10 A Rating, 10-30V AC/DC, 3PST-NO/SPDT, 0.50 in NPT (MPN RIBL4C). Key specifications — Nipple Size: 0.50 in NPT; Coil Voltage: 10-30V AC/DC; Brand: RIB.
RIB Enclosed Pre-Wired Relay: 10 A Rating, 10-30V AC/DC/120V AC, SPDT, 0.50 in NPT (MPN RIBU1C-N4). Key specifications — Nipple Size: 0.50 in NPT; Coil Voltage: 10-30V AC/DC/120V AC; Brand: RIB.
RIB
RIB Enclosed Pre-Wired Relay: 10 A Rating, 10-30V AC/DC/120V AC, SPDT, 0.50 in NPT (MPN RIBU1C-N4). Key specifications — Nipple Size: 0.50 in NPT; Coil Voltage: 10-30V AC/DC/120V AC; Brand: RIB.
RIB Enclosed Pre-Wired Relay: 20 A Rating, DPDT, 0.50 in NPT (MPN RIB01P). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.
RIB
RIB Enclosed Pre-Wired Relay: 20 A Rating, DPDT, 0.50 in NPT (MPN RIB01P). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.
RIB Enclosed Pre-Wired Relay: 10 A Rating, DPDT, 0.75 in NPT (MPN RIBH2C). Key specifications — Nipple Size: 0.75 in NPT; Brand: RIB.
RIB
RIB Enclosed Pre-Wired Relay: 10 A Rating, DPDT, 0.75 in NPT (MPN RIBH2C). Key specifications — Nipple Size: 0.75 in NPT; Brand: RIB.
RIB Enclosed Pre-Wired Relay: 10 A Rating, DPDT, 0.50 in NPT (MPN RIB2402D). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.
RIB
RIB Enclosed Pre-Wired Relay: 10 A Rating, DPDT, 0.50 in NPT (MPN RIB2402D). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.
RIB Enclosed Pre-Wired Relay: 20 A Rating, SPDT, 0.50 in NPT (MPN RIB01BDC). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.
RIB
RIB Enclosed Pre-Wired Relay: 20 A Rating, SPDT, 0.50 in NPT (MPN RIB01BDC). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.
RIB Enclosed Pre-Wired Relay: 10 A Rating, 10-30V AC/DC, 3PST-NO, 0.50 in NPT (MPN RIBL3C). Key specifications — Nipple Size: 0.50 in NPT; Coil Voltage: 10-30V AC/DC; Brand: RIB.
RIB
RIB Enclosed Pre-Wired Relay: 10 A Rating, 10-30V AC/DC, 3PST-NO, 0.50 in NPT (MPN RIBL3C). Key specifications — Nipple Size: 0.50 in NPT; Coil Voltage: 10-30V AC/DC; Brand: RIB.
RIB Enclosed Pre-Wired Relay: 20 A Rating, SPDT, 0.50 in NPT (MPN RIB02BDC). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.
RIB
RIB Enclosed Pre-Wired Relay: 20 A Rating, SPDT, 0.50 in NPT (MPN RIB02BDC). Key specifications — Nipple Size: 0.50 in NPT; Brand: RIB.