---
product_id: 179973533
title: "VSP3/415 VAC Phase Failure Relay"
brand: "minilec"
price: "FREE"
currency: INR
in_stock: true
reviews_count: 2
url: https://www.desertcart.in/products/179973533-vsp3-415-vac-phase-failure-relay
store_origin: IN
region: India
---

# 3.5 sec ±1.5 sec unbalance trip delay 415V AC ±20% supply voltage 1 NO output contact, 5A resistive rating VSP3/415 VAC Phase Failure Relay

**Brand:** minilec
**Price:** FREE
**Availability:** ✅ In Stock

## Summary

> ⚙️ Stay powered, stay protected—never miss a beat with VSP3 Phase Failure Relay!

## Quick Answers

- **What is this?** VSP3/415 VAC Phase Failure Relay by minilec
- **How much does it cost?** FREE with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.in](https://www.desertcart.in/products/179973533-vsp3-415-vac-phase-failure-relay)

## Best For

- minilec enthusiasts

## Why This Product

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

## Key Features

- • **Robust & Reliable:** Silver alloy contacts and HIP molded enclosure ensure durability in demanding environments.
- • **Auto Reset Convenience:** Automatically resets after fault clearance—no manual intervention needed, minimizing downtime.
- • **Effortless Installation:** Pre-wired terminals and compact panel mount design for quick, hassle-free setup.
- • **Universal Compatibility:** Perfectly suited for any HP/kW monoblock pumps and 3-phase industrial machines.
- • **Seamless Phase Protection:** Detects single, reverse, and unbalanced phases to safeguard your critical equipment.

## Overview

The MINILEC VSP3/415 VAC Phase Failure Relay offers precise detection of single phasing, reverse phasing, and unbalanced supply conditions with a 3.5-second trip delay. Featuring a 1 NO output contact rated for 5 Amps at 240 VAC resistive load, it supports automatic reset functionality and is compatible with a wide range of 3-phase equipment including monoblock pumps and industrial motors. Its pre-wired terminals and compact panel mount design enable quick installation, while silver alloy contacts and a HIP molded enclosure guarantee long-lasting reliability.

## Description

Suitable for 3 Ph. equipments Agricultural Pump Starters. 3 Ph. Split AC machines. Hoist Motor Control Valve Actuator Motor Machine Tools Injection Molding M/c

Review: STOPPED WORKING - ALREADY STOPPED WORKING
Review: Quality - Works correctly, relay trips if phase reversal happens

## Features

- Single phasing, reverse phasing, unbalanced supply Auto reset, 1 NO output contact Suitable for any HP/kW rating monoblock pumps Pre-wired terminals for easy connections
- upply Voltage : 415V AC ± 20%, 50 Hz ± 3% Output Relay Contact : 1 NO Output Contact Rating : 5 Amp, 240 VAC (RESISTIVE) Unbalance Trip Setting : 50 V ± 10 VAC Trip Time Delay For unbalance : 3.5 sec. ±1.5 sec. Dry Run Setting : N.A. On Time Delay : N.A. Star-Delta Changeover Time Delay : N.A. Resetting : Auto Reset Auto Switch : N. A. Enclosure : HIP moulded

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Connector Type | Screw |
| Contact Material | Silver Alloy |
| Contact Type | Normally Open |
| Current Rating | 5 Amps |
| Mounting Type | Panel Mount |
| Brand | MINILEC |
| Operation Mode | Automatic |
| Coil Voltage | 415 Volts |
| Contact Current Rating | 5 Amps |
| Maximum Switching Current | 5 Amps |
| Manufacturer | MINILEC |
| Model | VSP3 |
| Product Dimensions | 6.6 x 4.8 x 10.3 cm; 200 g |
| Item model number | VSP3 |
| Batteries Included | No |
| Batteries Required | No |
| Material | Plastic |
| Manufacturer | MINILEC |
| Item Weight | 200 g |

## Product Details

- **Connector Type:** Screw
- **Contact Material:** Silver Alloy
- **Contact Type:** Normally Open
- **Current Rating:** 5 Amps
- **Mounting Type:** Panel Mount

## Images

![VSP3/415 VAC Phase Failure Relay - Image 1](https://m.media-amazon.com/images/I/51EQSWvDDsL.jpg)

## Customer Reviews

### ⭐⭐ STOPPED WORKING
*by J***D on 1 April 2021*

ALREADY STOPPED WORKING

### ⭐⭐⭐⭐ Quality
*by N***. on 10 April 2024*

Works correctly, relay trips if phase reversal happens

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---

*Product available on Desertcart India*
*Store origin: IN*
*Last updated: 2026-04-29*