UL KSD301 Thermostat Switch for Normal Open at 30°C/86°F and 20°C/68°F, 125V 16A Auto Reset, 2 pcs

The Normally Open Temperature Thermal Switch, also known as the KI31/KSD301 Normally Open Limit Thermostat Switch, is a versatile device designed for a variety of temperature control and overheat protection applications. This switch features the following key specifications and characteristics:

Use: Temperature control and overheat protection Action Type: Normally Open (NO) Voltage and Current Ratings: AC110V/120V/125V/250V/16A; DC12V/24V/48V/20A Operating Temperature Range: 40~50°C (104~122°F) Temperature Accuracy: ±3°C Contact Resistance: ≤50MΩ Insulation Resistance: ≥100MΩ Life Span: Approximately 100,000 operations Electrical Strength: AC 50Hz 1800V for 1 minute, with no flickering or breakdown

The switch's compact size of 1.34" x 1.18" x 0.47" (LWH) and mounting hole spacing of 23.8mm / 0.937 inch make it easy to install in a variety of applications. The 6.3mm/0.25inch pin width ensures a secure connection.

This thermal switch is commonly used in fireplace fans/blowers, wood stoves, refrigerators, greenhouses, electric control cabinets, high-temperature starting refrigeration fans, cameras, street lamps, transformer boxes, high-temperature alarms, and more. It is a reliable, sensitive, and safe solution for temperature control and overheat protection in various equipment and appliances.

Key features and benefits: 1. Reliable Quality: The thermal switch is made with a high-quality bimetal disc from the USA, with large-capacity 3.5mm contacts and UL/CUL approvals. 2. Wide Operating Voltage: Supports both AC and DC voltages, including AC110V/120V/125V/250V/16A and DC12V/24V/48V/20A. 3. Normally Open Action: The switch's contact is normally open, closing the circuit at 30°C/86°F and opening it at 20°C/68°F (±3°C). 4. Easy Installation and Cost-Effective: The switch features a stainless steel movable flange for easy DIY installation, saving you money. 5. Versatile Applications: Replaces most fixed snap-action thermostats in heating equipment and appliances, including refrigerators, fireplaces, wall heaters, wood stoves, greenhouses, and more.

Whether you're working on a fireplace, wood stove, or other temperature-sensitive equipment, the KI31/KSD301 Normally Open Limit Thermostat Switch is a reliable and versatile solution for your temperature control and overheat protection needs.

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