---
product_id: 100025131
title: "Black Box Fallback Power Switch, 1U, 240-VAC, 1.75\" H x 17.1\" W x 5\" D"
brand: "black box"
price: "VT1891"
currency: VUV
in_stock: false
url: https://www.desertcart.vu/products/100025131-black-box-fallback-power-switch-1u-240-vac-1-75
store_origin: VU
region: Vanuatu
---

# Redundant Power 1U Rackmount Automatic Switch Black Box Fallback Power Switch, 1U, 240-VAC, 1.75" H x 17.1" W x 5" D

**Brand:** black box
**Price:** VT1891
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Power Up Your Reliability!

## Quick Answers

- **What is this?** Black Box Fallback Power Switch, 1U, 240-VAC, 1.75" H x 17.1" W x 5" D by black box
- **How much does it cost?** VT1891 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vu](https://www.desertcart.vu/products/100025131-black-box-fallback-power-switch-1u-240-vac-1-75)

## Best For

- black box enthusiasts

## Why This Product

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

## Key Features

- • **Reliable Redundancy:** Protect your critical systems with dual power sources.
- • **Space-Saving Design:** Maximize your rack space with a sleek 1U profile.
- • **High Voltage Compatibility:** Designed for 240VAC devices, ensuring robust performance.
- • **Uninterrupted Power Supply:** Never miss a beat with seamless power transition.
- • **Automatic Backup Activation:** Stay worry-free as it instantly switches to backup power.

## Overview

The Black Box Fallback Power Switch is a compact, 1U rackmount solution that ensures your AC-powered devices remain operational by automatically switching to a backup power source when the primary fails. With its 240VAC compatibility, this device is essential for maintaining uptime in critical environments.

## Description

Easy installation no configuration needed. Offers the perfect power redundancy solution for single-cord devices. Features continuous source monitoring. Also available in a 120-VAC version.

## Features

- Provides redundant power to any AC-powered device that does not include a secondary power inlet.
- Automatically switches to a secondary, backup power source if the primary source fails.
- Rackmountable in only 1U of space.
- 240VAC

## Images

![Black Box Fallback Power Switch, 1U, 240-VAC, 1.75" H x 17.1" W x 5" D - Image 1](https://m.media-amazon.com/images/I/7184U-JIixL.jpg)

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**Shop now:** [https://www.desertcart.vu/products/100025131-black-box-fallback-power-switch-1u-240-vac-1-75](https://www.desertcart.vu/products/100025131-black-box-fallback-power-switch-1u-240-vac-1-75)

---

*Product available on Desertcart Vanuatu*
*Store origin: VU*
*Last updated: 2026-03-02*