---
product_id: 24686003
title: "Packard PR340 DPDT 24 Volt Coil Switching Relay"
brand: "packard"
price: "S$30"
currency: SGD
in_stock: true
reviews_count: 8
category: "Packard"
url: https://www.desertcart.sg/products/24686003-packard-pr340-dpdt-24-volt-coil-switching-relay
store_origin: SG
region: Singapore
---

# 24V Coil Voltage DPDT Double Pole Double Throw Screw Terminal Connectors Packard PR340 DPDT 24 Volt Coil Switching Relay

**Brand:** packard
**Price:** S$30
**Availability:** ✅ In Stock

## Summary

> ⚡ Switch Smart, Save Energy, Stay Ahead!

## Quick Answers

- **What is this?** Packard PR340 DPDT 24 Volt Coil Switching Relay by packard
- **How much does it cost?** S$30 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/24686003-packard-pr340-dpdt-24-volt-coil-switching-relay)

## Best For

- packard enthusiasts

## Why This Product

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

## Key Features

- • **Compact DIN Rail Mount:** Space-efficient design fits seamlessly into control panels
- • **Reliable 24V Coil Power:** Optimized for consistent switching in HVAC and industrial systems
- • **Energy-Saving Performance:** Reduces short cycling, cutting operational costs
- • **Versatile DPDT Configuration:** Dual circuits for flexible control and automation
- • **Easy Screw Terminal Installation:** Quick, secure wiring for hassle-free setup

## Overview

The Packard PR340 is a robust DPDT relay with a 24-volt coil, designed for reliable switching in heat pumps, HVAC, and vending machines. Featuring screw terminal connectors and a compact DIN rail mount, it ensures easy installation and efficient operation, helping reduce energy waste and improve system longevity.

## Description

Replaces Mars 90340 and RBM 90-340

Review: Works - Good price, easy to install and works well. How long it will last, I don't know.
Review: Cost saving - I use this relay with a delay timer for my residential low pressure steam boilers. It helped eliminate short cycling of the boilers and reduced gas usage.

## Features

- Used on heat pumps, vending machines, fans, and heating and air conditioning
- DPDT
- 24 Volt Coil Voltage
- Terminalas 1-2-3 Power
- Terminalas 4-5-6 Power

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B003ZZOH60 |
| Batteries | 1 Nonstandard Battery batteries required. |
| Best Sellers Rank | #94,387 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #6 in DIP Switches |
| Brand | Packard |
| Coil Voltage | 24 Volts |
| Connector Type | Screw Terminals |
| Contact Material | [In] Silver |
| Contact Type | Normally Open |
| Date First Available | September 7, 2009 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.8 ounces |
| Item model number | PR340 |
| Manufacturer | PACKARD |
| Maximum Switching Voltage | 24 Volts |
| Minimum Switching Voltage | 24 Volts |
| Mounting Type | DIN Rail Mount |
| Operation Mode | Automatic |
| Product Dimensions | 2.75 x 2.25 x 2 inches |
| Specification Met | Dpdt, 24 Volts |
| UPC | 840899107516 |
| Wattage | 1.2 watts |

## Product Details

- **Brand:** Packard
- **Connector Type:** Screw Terminals
- **Contact Material:** [In] Silver
- **Contact Type:** Normally Open
- **Mounting Type:** DIN Rail Mount

## Images

![Packard PR340 DPDT 24 Volt Coil Switching Relay - Image 1](https://m.media-amazon.com/images/I/61M5Dzkz2yL.jpg)
![Packard PR340 DPDT 24 Volt Coil Switching Relay - Image 2](https://m.media-amazon.com/images/I/61Ua2qmociL.jpg)
![Packard PR340 DPDT 24 Volt Coil Switching Relay - Image 3](https://m.media-amazon.com/images/I/61GctlNkewL.jpg)
![Packard PR340 DPDT 24 Volt Coil Switching Relay - Image 4](https://m.media-amazon.com/images/I/61dOAq8MOYL.jpg)
![Packard PR340 DPDT 24 Volt Coil Switching Relay - Image 5](https://m.media-amazon.com/images/I/61DSmA8P-pL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works
*by R***Y on August 8, 2023*

Good price, easy to install and works well. How long it will last, I don't know.

### ⭐⭐⭐⭐⭐ Cost saving
*by I***. on October 22, 2025*

I use this relay with a delay timer for my residential low pressure steam boilers. It helped eliminate short cycling of the boilers and reduced gas usage.

### ⭐⭐⭐⭐ Four Stars
*by D***N on April 25, 2016*

works

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.sg/products/24686003-packard-pr340-dpdt-24-volt-coil-switching-relay](https://www.desertcart.sg/products/24686003-packard-pr340-dpdt-24-volt-coil-switching-relay)

---

*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-02-21*