---
product_id: 168463856
title: "Cooling Controller with 3 Digit Display - CH403-1-NTC"
brand: "selec"
price: "£23.17"
currency: GBP
in_stock: true
reviews_count: 1
category: "Selec"
url: https://www.desertcart.co.uk/products/168463856-cooling-controller-with-3-digit-display-ch403-1-ntc
store_origin: GB
region: United Kingdom
---

# Wide 85-270V AC/DC input Dual relay/SSR output 3-digit precision display Cooling Controller with 3 Digit Display - CH403-1-NTC

**Brand:** selec
**Price:** £23.17
**Availability:** ✅ In Stock

## Summary

> ⚙️ Master your temperature control with precision and power!

## Quick Answers

- **What is this?** Cooling Controller with 3 Digit Display - CH403-1-NTC by selec
- **How much does it cost?** £23.17 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/168463856-cooling-controller-with-3-digit-display-ch403-1-ntc)

## Best For

- selec enthusiasts

## Why This Product

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

## Key Features

- • **Precision at a Glance:** Crystal-clear 3-digit 7-segment LED display for instant, accurate readings.
- • **Flexible Output Control:** Choose between reliable relay or silent SSR output to match your system needs.
- • **Compact Panel Mount Design:** Sleek 36x72mm size fits effortlessly into any control panel setup.
- • **Certified Quality Assurance:** CE & UL certified with a 12-month warranty — trusted performance guaranteed.
- • **Universal Power Compatibility:** Operates seamlessly across 85 to 270V AC/DC — plug and play anywhere.

## Overview

The Selec CH403-1-NTC Cooling Controller features a sharp 3-digit 7-segment LED display, supports NTC sensor input, and offers versatile relay or SSR outputs. Designed for universal 85-270V AC/DC power compatibility, it fits compactly into panels (36x72mm) and comes CE & UL certified with a 12-month warranty, making it a reliable choice for professional HVAC and industrial temperature control applications.

## Description

Display Type: 7 Segment LED, Single Display Display Configuration: 3 Digits Type of Input: NTC type sensor Type of Output: Relay / SSR Accuracy: ± 0.25% of FS or ± 1º of FS Supply Voltage: 85 to 270V AC / DC Size: 36 x 72mm Mounting Type: Panel Mount Certification: CE & UL

Review: Good Product - Quality Product

## Features

- Control Output: Relay
- Auxiliary Output: SSR
- Supply Voltage: 85 to 270V AC/DC
- Certification: CE
- 12 Months Warranty As Per Selec

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07NC6XFB4 |
| Best Sellers Rank | #7,825 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #24 in Temperature Controllers |
| Country of Origin | India |
| Customer Reviews | 4.2 4.2 out of 5 stars (20) |
| Date First Available | 2 February 2019 |
| Item Weight | 170 g |
| Item model number | CH403-1-NTC |
| Manufacturer | Selec |
| Model number | CH403-1-NTC |
| Number of Memory Sticks | 1 |
| Package Dimensions | 10.6 x 8.2 x 5.8 cm; 170 g |

## Product Details

- **Brand:** Selec
- **Colour:** Black
- **Display Type:** LED
- **EU Spare Part Availability Duration:** 1 Years
- **Material:** Plastic

## Images

![Cooling Controller with 3 Digit Display - CH403-1-NTC - Image 1](https://m.media-amazon.com/images/I/517F2dsQ9aL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good Product
*by B***N on 24 December 2024*

Quality Product

## Frequently Bought Together

- Selec Cooling Controller with 3 Digit Display - CH403-1-NTC
- Schneider Electric TeSys D contactor - 3P(3 NO) - AC-3 - <= 440 V 12 A - 240 V AC coil, LC1D12U7
- Schneider Electric TeSys D contactor - 3P(3 NO) - AC-3 - <= 440 V 9 A - 220 V AC coil, LC1D09M7

---

## 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.co.uk/products/168463856-cooling-controller-with-3-digit-display-ch403-1-ntc](https://www.desertcart.co.uk/products/168463856-cooling-controller-with-3-digit-display-ch403-1-ntc)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-17*