uxcell Normally Close Temperature Switch 120°C 5A Thermostat

Description

Product Overview

The uxcell Normally Close Temperature Switch is engineered to deliver accurate and dependable thermal management for a wide range of electrical applications. Constructed from high‑quality plastic, the square‑shaped housing measures 5.5 x 4.1 x 0.2 inches and weighs just 0.81 ounces, making it lightweight yet robust. It operates at a set point of 120 °C and supports a voltage of 250 V with a current capacity of 5 A, providing a reliable safety mechanism that opens the circuit when temperatures exceed the designated threshold. The switch features a normally closed (N.C.) contact configuration, meaning the circuit remains closed under normal conditions and opens only when the temperature rises above the preset level. This design ensures rapid response to overheating, preventing damage to motors, transformers, and other sensitive components. The product is supplied in a two‑piece pack, offering redundancy and flexibility for installers who require multiple points of protection within a single system.

Usage

Designed for both industrial and consumer environments, this temperature switch finds extensive use in air‑conditioner motors, transformer windings, thermal appliances, and various home‑appliance motor circuits. Its compact form factor allows easy integration into tight spaces, such as control panels and equipment enclosures. Installers can mount the switch directly onto a heat‑sensitive component or position it within a thermal block to monitor temperature changes effectively. The normally closed contact ensures that power is continuously supplied until an over‑temperature condition occurs, at which point the switch opens to cut off the circuit, safeguarding the equipment from thermal stress. The device does not require any external power source or batteries, simplifying installation and reducing maintenance requirements. Its reliable performance makes it suitable for HVAC technicians, electrical engineers, and DIY enthusiasts seeking a cost‑effective solution for temperature‑controlled shutdowns.

Why Choose Us

Choosing the uxcell temperature switch means selecting a product backed by a reputation for quality and consistency. Each unit undergoes rigorous testing to verify its temperature accuracy, contact reliability, and long‑term durability, ensuring that it meets the demanding standards of industrial applications. The switch’s contact sensor is designed for speed and dynamic response, minimizing the time between temperature detection and circuit interruption. Its construction eliminates arc formation, reducing wear and extending service life. Additionally, uxcell provides responsive customer support and a clear warranty policy, giving users confidence that any issues will be addressed promptly. The combination of precise temperature control, robust materials, and attentive after‑sales service positions this switch as a trustworthy component for critical thermal protection tasks.

Key Features

• Fast, reliable temperature activation at 120 °C for immediate circuit protection.
• Compact plastic housing fits easily into confined spaces without sacrificing durability.
• Normally closed contact design ensures continuous power flow until overheating occurs.
• Supports 250 V and 5 A, suitable for a wide range of motor and transformer applications.
• Responsive customer support and clear warranty terms for peace of mind.

FAQ

What does “normally closed” mean for this temperature switch?

Normally closed (N.C.) indicates that the switch contacts are closed under normal temperature conditions, allowing current to flow. When the sensed temperature exceeds the set point of 120 °C, the contacts open, interrupting the circuit to protect the equipment.

Can this switch be used with DC voltage?

While the switch is rated for 250 V AC, it can also operate with DC voltages up to the same rating, provided the current does not exceed 5 A. However, for critical DC applications, it is recommended to verify compatibility with the specific system requirements.

Is any special wiring required for installation?

No special wiring is needed. The switch can be wired directly into the circuit you wish to protect, using standard connectors. Ensure that the load does not exceed the 5 A current rating and that the voltage stays within the 250 V limit.

How long is the service life of this temperature switch?

The switch is designed for long service life, with a contact mechanism that resists arcing and wear. Under normal operating conditions, it can reliably function for many years, making it a cost‑effective solution for ongoing thermal protection.

What applications benefit most from this temperature switch?

Typical applications include air‑conditioner motor protection, transformer winding safety, thermal appliance control, and any scenario where overheating could cause equipment failure or safety hazards. Its quick response and reliable operation make it ideal for both industrial machinery and household appliances.