---
product_id: 149600544
title: "RuiLing 5-Pack KSD301 40 Degrees Centigrade Thermostat Thermal Control Switch 250V 10A Normally Closed NC Thermostat Temperature Switch"
brand: "ruiling"
price: "390925₫"
currency: VND
in_stock: true
category: "Rui Ling"
url: https://www.desertcart.vn/products/149600544-ruiling-5-pack-ksd301-40-degrees-centigrade-thermostat-thermal-control
store_origin: VN
region: Vietnam
---

# 250V rated voltage Automatic reset NC switch 40°C precise thermal trigger RuiLing 5-Pack KSD301 40 Degrees Centigrade Thermostat Thermal Control Switch 250V 10A Normally Closed NC Thermostat Temperature Switch

**Brand:** ruiling
**Price:** 390925₫
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay cool, stay in control — the thermostat that never quits! ⚡

## Quick Answers

- **What is this?** RuiLing 5-Pack KSD301 40 Degrees Centigrade Thermostat Thermal Control Switch 250V 10A Normally Closed NC Thermostat Temperature Switch by ruiling
- **How much does it cost?** 390925₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/149600544-ruiling-5-pack-ksd301-40-degrees-centigrade-thermostat-thermal-control)

## Best For

- ruiling enthusiasts

## Why This Product

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

## Key Features

- • **Wide Application Range:** Perfect for heaters, coffee machines, dryers, and more
- • **Plug & Play Convenience:** Comes in a 5-pack for easy replacement and bulk projects
- • **Precision Thermal Control:** Triggers exactly at 40°C for reliable temperature management
- • **Robust Electrical Capacity:** Handles up to 10A at 250V for versatile appliance compatibility
- • **Durable Double Metal Sensor:** Ensures fast, stable, and arc-free switching action

## Overview

The KSD301 5-pack thermal control switches are precision-engineered normally closed thermostats rated for 40°C activation, 250V voltage, and 10A current. Featuring a double metal chip sensor for fast, reliable, and arc-free switching, these automatic reset switches are ideal for a broad range of household and industrial heating appliances, delivering dependable temperature regulation with long service life.

## Description

Basic info: Name: Thermostat Thermal Control Switch Model: KSD301 Rated temperature: 40 degrees centigrade Action Type: NC (Normally Closed) Rated Voltage: 250 Volt Rated Current: 10 Amp Description: 1.Double metal chip, contact sensor, speed dynamic type, sensitive, reliable, safe, stable action temperature, long service life, no arc phenomenon. 2.General purpose, automatic reset, low cost, large capacity, minute current thermostats. 3.The original state of temperature control switch contact is closed, and open when the temperature sensing exceeds the rated temperature 40 degrees centigrade. Widely used for temperature control or protection for household electric appliances. 4.Mainly used for motor electric heating water dispenser, water bottles, disinfection cupboard, disinfection cabinet, coffee shell, air conditioning, water heater, electronic cooker, electric iron, dryer, heater and motor cleaner and so on. Package includes: 5pcs 40 degrees centigrade normally closed thermal control switch

## Features

- Package includes: 5pcs 40 degrees centigrade normally closed thermal control switch
- Model: KSD301; Rated Voltage: 250 Volt Rated Current: 10 Amp
- Rated temperature: 40 degrees centigrade; Action Type: NC (Normally Closed): The original state of temperature control switch contact is closed, and open when the temperature sensing exceeds the rated temperature 40 degrees centigrade.
- Double metal chip, contact sensor, speed dynamic type, sensitive, reliable, safe, stable action temperature, long service life, no arc phenomenon.
- General purpose, automatic reset, low cost, large capacity, minute current thermostats.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07SZBBS8J |
| Additional Features | Automatic, Programmable |
| Best Sellers Rank | #92,822 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #34 in Thermostat Controllers |
| Brand Name | RuiLing |
| Color | Silver |
| Connectivity Technology | Wired |
| Control Method | Push Button |
| Controller Type | Push Button |
| Customer Reviews | 3.8 3.8 out of 5 stars (23) |
| Display Type | LED |
| Included Components | 5pcs 40 degrees centigrade normally closed thermal control switch |
| Manufacturer | RuiLing |
| Manufacturer Part Number | KSD301-NC-5-40 |
| Material Type | Metal |
| Model Name | KSD301 |
| Model Number | KSD301-NC-5-40 |
| Mounting Type | Wall Mount |
| Number of Items | 5 |
| Number of Packs | 5 |
| Power Source | Battery Powered |
| Product Style | Modern |
| Shape | Round |
| Specific Uses For Product | Boiler, Electric Baseboard Heater, Heat Pump |
| Temperature Control Type | Automatic |
| UPC | 737504629986 |
| Unit Count | 5 Count |
| Voltage | 250 volts |

## Product Details

- **Brand:** RuiLing
- **Color:** Silver
- **Controller Type:** Push Button
- **Model Name:** KSD301
- **Special Feature:** Automatic, Programmable

## Images

![RuiLing 5-Pack KSD301 40 Degrees Centigrade Thermostat Thermal Control Switch 250V 10A Normally Closed NC Thermostat Temperature Switch - Image 1](https://m.media-amazon.com/images/I/61ysX1VEllL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: will this work on my keurig coffee maket**
A: If the technical data is complaining I think it should work

**Q: Will the thermal switch work for steamfast garment steramer Model SF -407**
A: If the technical data is complaining I think it should work

**Q: I need a 120v thermostat, all I can find are these 250v. Will these work? It's going in a small radiant heater.**
A: I used this in a 110v radiator heater, pelonis brand. I'm sure it'll work for you..

**Q: este termostato es compatible con tension nominal de 125v ?**
A: Si es compatible

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-11-12*