RIB RIB2421B Enclosed Pre-Wired Relay, SPDT, 20 A, 0.50 in NPT
The RIB Enclosed Pre-Wired Relay is a general purpose power relay with a 20 A rating, SPDT configuration, and a 0.50 in NPT nipple size. It supports coil voltages of 24V AC/DC, 230V AC, and 208-277V AC, as specified…
SKU 3G-OTH-37526
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The RIB Enclosed Pre-Wired Relay is a general purpose power relay with a 20 A rating, SPDT configuration, and a 0.50 in NPT nipple size. It supports coil voltages of 24V AC/DC, 230V AC, and 208-277V AC, as specified by the manufacturer part number RIB2421B.
Frequently Asked Questions
What is the RIB Enclosed Pre-Wired Relay used for?
The RIB Enclosed Pre-Wired Relay is used for general purpose power switching in HVAC, lighting, and industrial control panels. Its 20 A rating and SPDT configuration make it suitable for on/off control of motors, pumps, and resistive loads in commercial buildings and factories.
What are the specifications of the RIB2421B relay?
The RIB2421B relay has a 20 A rating, SPDT contacts, and a 0.50 in NPT nipple size. It accepts coil voltages of 24V AC/DC, 230V AC, and 208-277V AC. The enclosed pre-wired design simplifies installation in junction boxes or control panels.
Where to buy the RIB Enclosed Pre-Wired Relay worldwide?
You can source the RIB Enclosed Pre-Wired Relay through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on the RIB2421B relay.
How to install the RIB Enclosed Pre-Wired Relay?
Mount the relay using the 0.50 in NPT nipple into a standard knockout. Connect the coil voltage (24V AC/DC, 230V AC, or 208-277V AC) per the wiring diagram on the enclosure. Ensure the load does not exceed 20 A. Follow local electrical codes and use appropriate conduit seals.
Used in
Common applications for RIBRIB 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.
