---
product_id: 58274063
title: "Functional Devices RIB2421B Power Relay, 20 Amp SPDT, 24 Vac/dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing"
brand: "rib"
price: "2631079₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/58274063-functional-devices-rib2421b-power-relay-20-amp-spdt-24-vac
store_origin: VN
region: Vietnam
---

# 20 Amp high load capacity SPDT versatile switching Wide coil voltage range Functional Devices RIB2421B Power Relay, 20 Amp SPDT, 24 Vac/dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing

**Brand:** rib
**Price:** 2631079₫
**Availability:** ✅ In Stock

## Summary

> ⚡ Power up your control game with unmatched versatility!

## Quick Answers

- **What is this?** Functional Devices RIB2421B Power Relay, 20 Amp SPDT, 24 Vac/dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing by rib
- **How much does it cost?** 2631079₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/58274063-functional-devices-rib2421b-power-relay-20-amp-spdt-24-vac)

## Best For

- rib enthusiasts

## Why This Product

- Trusted rib brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable NEMA 1 Housing:** Protects internal components in standard indoor environments 🏠
- • **Reliable SPDT Switching:** Single Pole Double Throw design for versatile control 🔄
- • **Heavy-Duty 20 Amp Capacity:** Handles demanding electrical loads with ease ⚡
- • **Wide Operating Temperature Range:** Performs consistently from 30°F to 140°F 🌡️
- • **Flexible Coil Voltage Compatibility:** Works seamlessly with 24 Vac/dc, 120 Vac, and 208-277 Vac 🔌

## Overview

The Functional Devices RIB2421B is a robust 20 Amp SPDT power relay featuring a wide coil voltage range (24 Vac/dc to 277 Vac) housed in a durable NEMA 1 enclosure. Designed for reliable switching in demanding electrical applications, it supports a broad temperature range and is rated for 600 Volt wiring, making it an essential component for professional-grade electrical control systems.

## Description

Functional Devices RIB2421B Power Relay, 20 Amp SPDT, 24 Vac/dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing

## Features

- 20 AMP SPDT
- 24 VAC/DC/120 VAC/208-277 VAC COIL
- -30 TO 140 F
- 600 VOLT WIRE RATING
- NEMA 1 HOUSING

## Product Details

- **Connector Type:** Screw
- **Contact Material:** Silver Alloy
- **Contact Type:** Spdt
- **Current Rating:** 20 Amps
- **Mounting Type:** Screw Mount

## Images

![Functional Devices RIB2421B Power Relay, 20 Amp SPDT, 24 Vac/dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing - Image 1](https://m.media-amazon.com/images/I/717gRqTcsFL.jpg)

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**Shop now:** [https://www.desertcart.vn/products/58274063-functional-devices-rib2421b-power-relay-20-amp-spdt-24-vac](https://www.desertcart.vn/products/58274063-functional-devices-rib2421b-power-relay-20-amp-spdt-24-vac)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-06*