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Four small rectangular thermal switches with metal tabs and plastic bodies

Unique-Bargains

Unique-Bargains KSD301 60C 140F NO electrical timer switch

SKU CH-BXD4-N6RCF MPN KSD301

A normally-open thermal switch that closes at 60 °C / 140 °F, rated for AC 250 V 10 A with 50 MΩ circuit resistance, supplied in a pack of four

  • Closes at 60 °C to protect appliances
  • Normally open design prevents unwanted power flow
  • Rated for 250 V AC and 10 A load
  • 50 MΩ circuit resistance ensures reliable switching
  • Suitable for water dispensers, sterilisers and coffee makers

Normally Open Thermal Switch

This KSD301 thermal switch opens the circuit until the mounting surface reaches 60 °C or 140 °F, then closes to allow current flow. It is rated for AC 250 V at 10 A and offers a circuit resistance of 50 MΩ. The component suits temperature protection in household appliances such as water dispensers, coffee makers and rice cookers.

For Over-Temperature Protection Only

The switch activates once at the fixed 60 °C threshold, making it suitable for simple over-temperature safety tasks. It is not suited for applications that require adjustable trip points, graduated cooling control or a normally-closed fail-safe action.

60 °C / 140 °F Fixed Trip Point

The single decisive specification is the factory-set action temperature of 60 °C (140 °F); the device cannot be recalibrated. Verify that this exact trip point matches the appliance’s safety requirement before purchase.

Highlights

  • Closes at 60 °C to protect appliances
  • Normally open design prevents unwanted power flow
  • Rated for 250 V AC and 10 A load
  • 50 MΩ circuit resistance ensures reliable switching
  • Suitable for water dispensers, sterilisers and coffee makers

Specifications

BrandUnique Bargains

Questions about this item

How do I mount the KSD301 60C switch and what wiring mistake should I avoid?

Install the switch so its metal surface contacts the appliance part you want to monitor; it opens the circuit until the surface reaches 60 Celsius then closes. Wire it in series with the load on the AC 250V supply, observing the 10A rating, and do not exceed the 50 Mohm circuit resistance.

What maintenance or replacement will the KSD301 60C switch need over time?

The switch is a sealed thermal device with no user-serviceable parts; if the contacts wear or the calibration drifts after many cycles, replace the entire unit.

What limit appears first when the KSD301 60C switch runs continuously at high load?

The 10A at AC 250V rating is the primary limit; sustained current above 10A will overheat the contacts before the 60C/140F trip point becomes a factor.

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