---
product_id: 22177440
title: "T57 50 Amp Transfer Switch, Black"
brand: "wfco"
price: "€ 222.25"
currency: EUR
in_stock: true
reviews_count: 9
category: "Wfco"
url: https://www.desertcart.ie/products/22177440-t57-50-amp-transfer-switch-black
store_origin: IE
region: Ireland
---

# 50 Amp heavy-duty current Dual-input shore & generator switch Silent DC coil operation T57 50 Amp Transfer Switch, Black

**Brand:** wfco
**Price:** € 222.25
**Availability:** ✅ In Stock

## Summary

> 🔌 Power up like a pro — never miss a beat with WFCO T57!

## Quick Answers

- **What is this?** T57 50 Amp Transfer Switch, Black by wfco
- **How much does it cost?** € 222.25 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/22177440-t57-50-amp-transfer-switch-black)

## Best For

- wfco enthusiasts

## Why This Product

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

## Key Features

- • **Trusted by RV OEMs:** The #1 choice for 50 Amp power, used 4-to-1 over competitors
- • **Whisper-Quiet Operation:** DC coil eliminates annoying chatter noise and voltage drop-outs
- • **Seamless Power Switching:** Effortlessly toggle between shore power and generator without interruption
- • **Flexible Dual-Input Design:** Supports shore, generator, or inverter inputs for uninterrupted 120V/240V power
- • **Built for Safety & Reliability:** ETL Listed with break-before-make relay to prevent power coupling and arcing

## Overview

The WFCO T57 50 Amp Transfer Switch is a rugged, ETL-certified device designed for RVs to safely and silently switch between shore power and generator or inverter sources. Featuring a heavy-duty 50 Amp rating, a noise-free DC coil, and a break-before-make relay configuration, it ensures reliable, continuous 120V/240V power with easy installation and trusted OEM quality.

## Description

Buy WFCO T57 50 Amp Transfer Switch, Black: Transfer Switches - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

Review: Quality relay for RV. Terminals are high quality heavy duty - Fantastic relay I double stacked relays in my Sprinter van so that I can have three different inputs. Shore, gen, and then on the second relay I put the 3000 watt inverter into one leg there so there's three different power options and had rewire a few Breakers. I did all this on a lithium power conversion where I installed two 300 20 amp lithium low temp batteries. This relay was a cherry on top to make the system work perfect. I like this product cuz it's better quality than the other ones the screw down terminals are super heavy duty not wimpy.
Review: Relatively easy installation. - Great swap out for my broken 2005 Holiday Rambler transfer switch. Back working great !!!!

## Features

- BUY THE BRAND OEMS USE: The WFCO T-57 is the #1 choice by RV OEMs, trusted more than 4-to-1 for 50 Amp power applications.
- POWER YOU CAN TRUST: Seamlessly switch between shore power and generator power with WFCO’s 50 Amp Transfer Switch engineered for safety and dependability.
- DESIGNED FOR SAFE, QUIET OPERATION: DC coil eliminates AC chatter noise and prevents voltage drop-outs; built-in delay stops power crossover and arcing.
- FLEXIBLE DUAL-INPUT DESIGN: Handles two power sources—shore, generator, or inverter—ensuring continuous access to 120V/240V power.
- BUILT AND CERTIFIED FOR QUALITY: “Break before make” relay configuration prevents power coupling; ETL Listed to UL1008 and CSA C22.2 for proven safety and reliability.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B009LFZZFK |
| Actuator Type | Rotary |
| Best Sellers Rank | #132,933 in Patio, Lawn & Garden ( See Top 100 in Patio, Lawn & Garden ) #157 in Outdoor Generator Transfer Switches |
| Brand | WFCO |
| Circuit Type | 2-way |
| Compatible Devices | RVs with 50 Amp electrical system |
| Connectivity Protocol | X-10 |
| Connector Type | Plug In |
| Control Method | Touch |
| Control Type | Manual |
| Current Rating | 50 Amps |
| Customer Reviews | 4.6 4.6 out of 5 stars (148) |
| Date First Available | September 30, 2012 |
| International Protection Rating | IP54 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5 pounds |
| Item dimensions L x W x H | 5.12 x 8 x 10.25 inches |
| Item model number | T57 |
| Manufacturer | Arterra |
| Manufacturer Part Number | T57 |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 130 Volts |
| Operation Mode | Automatic |
| Product Dimensions | 5.12 x 8 x 10.25 inches |
| Terminal | Screw |
| UPC | 816227012067 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 100 Degrees Celsius |
| Vehicle Service Type | RV |
| Wattage | 12000 watts |

## Product Details

- **Brand:** WFCO
- **Circuit Type:** 2-way
- **Connector Type:** Plug In
- **Current Rating:** 50 Amps
- **Item dimensions L x W x H:** 5.12 x 8 x 10.25 inches
- **Material:** Metal
- **Operating Voltage:** 130 Volts
- **Operation Mode:** Automatic
- **Switch Type:** Rotary
- **Terminal:** Screw

## Images

![T57 50 Amp Transfer Switch, Black - Image 1](https://m.media-amazon.com/images/I/71VXbAumRTL.jpg)

## Questions & Answers

**Q: Is this switch enclosure weather-proof or nema 3r rated?**
A: not weather proof

**Q: I have a 50 amp shore power and a 30 amp generator will this work**
A: Yes. I have just the opposite. 30 amp shore power and 50 amp generator. The transfer switch selects the power source. It doesn't care what the amps are, just so they are less than 50.

**Q: 50 amps requires 6 awg wire but these wires look like 10 awg? is that right?**
A: I wired my switch with 6 AWG.

**Q: When power has been restored will this transfer switch automatically shut the generator down? There will be no issues when the power comes back on?**
A: To my knowledge, it simply switches trailer power between two sources.  Default is shore power.  It switches to the alternate when power is applied to that input.  It does not have any logic to control a generator.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality relay for RV. Terminals are high quality heavy duty
*by M***T on January 23, 2025*

Fantastic relay I double stacked relays in my Sprinter van so that I can have three different inputs. Shore, gen, and then on the second relay I put the 3000 watt inverter into one leg there so there's three different power options and had rewire a few Breakers. I did all this on a lithium power conversion where I installed two 300 20 amp lithium low temp batteries. This relay was a cherry on top to make the system work perfect. I like this product cuz it's better quality than the other ones the screw down terminals are super heavy duty not wimpy.

### ⭐⭐⭐⭐⭐ Relatively easy installation.
*by G***T on September 30, 2024*

Great swap out for my broken 2005 Holiday Rambler transfer switch. Back working great !!!!

### ⭐⭐⭐⭐⭐ Replacement for Keystone Camper
*by B***9 on July 22, 2024*

After 7 years I had to replace my transfer switch. This was a numbers identical model. While installing a new Onan generator I discovered that the transfer switch had one less input than the old one. If you have a Keystone camper you need to put both neutral wires (white) into the same connection. The installation was pretty straight forward and everything is clearly marked.

## Frequently Bought Together

- WFCO T57 50 Amp Transfer Switch, Black
- Kohree 50 Amp RV Plug Twist Lock Inlet, Shore Power Inlet Plug NEMA SS2-50P 125V/250V RV Power Receptacle for Marine Boat Trailer Camper Shed, ETL Listed

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---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-02-09*