SKU: SENS-3532
📋 GST Invoice Available

Generic Ceramics KSD302 80°C NC Temperature Control Switch Thermostat - 250V 16A

₹22.00 (Inclusive of all taxes)
Out of Stock

The Ceramics KSD302 is a normally closed (NC) thermal switch designed for automatic temperature control in appliances and heating systems. It opens the circuit at 80°C, rated for 250V AC and 16A, featuring a durable ceramic housing for electrical insulation and thermal stability.

Features

  • Normally Closed (NC) snap-action thermal switch opens at 80°C (±5°C typical).
  • High-current rating of 16A at 250V AC for direct control of heating elements or motors.
  • Durable ceramic housing provides excellent electrical insulation and thermal conductivity.
  • Bimetallic disc actuator ensures reliable, repeatable switching with long operational life.
  • Compact form factor with screw terminals for easy integration into control panels and appliances.

Out of stock

Description

The KSD302 is a bimetallic disc thermostat, a fundamental component for over-temperature protection and basic temperature regulation. When the ambient temperature reaches its calibrated set point of 80°C, the bimetallic disc snaps, mechanically opening the normally closed contacts to break the circuit. This action provides a failsafe cutoff for heating elements, motors, or transformers without requiring external power.

Constructed with a ceramic body, the switch offers high dielectric strength and resistance to tracking, making it suitable for mains-voltage applications. The robust design ensures consistent performance across its operating temperature range, with a typical hysteresis of a few degrees Celsius for stable cycling. It is a cost-effective and reliable solution for applications requiring a simple, self-contained thermal cutoff.

Key Features

  • Precise Thermal Trip: Calibrated to open at 80°C (±5°C tolerance) for consistent over-temperature protection.
  • Robust Electrical Rating: Handles up to 16A at 250V AC, suitable for direct switching of significant loads.
  • Ceramic Construction: Housing provides superior electrical insulation, flame resistance, and thermal durability.
  • Mechanically Reliable: Bimetallic snap-action mechanism ensures positive contact separation and long service life.
  • Maintenance-Free Operation: Fully sealed unit requires no calibration or external power, offering a simple plug-and-protect solution.
  • Wide Compatibility: Screw terminal connections facilitate integration into industrial control boxes, consumer appliances, and HVAC equipment.

Applications

  • Over-temperature protection in electric water heaters, coffee makers, and kettles.
  • Thermal cutoff for motors, transformers, and power supplies in industrial equipment.
  • Temperature regulation in incubators, soldering irons, and small space heaters.
  • Safety interlock in HVAC fan units and ventilation systems to prevent overheating.
  • Battery pack thermal management and protection in power tools and energy storage systems.

Technical Specifications

Model NumberCeramics KSD302
Switch TypeNormally Closed (NC)
Trip Temperature80°C
Current Rating16A
Voltage Rating250V AC
Contact ConfigurationSPST (Single-Pole, Single-Throw) NC
Housing MaterialCeramic
Terminal TypeScrew Terminals
Operating PrincipleBimetallic Disc Snap-Action

Frequently Asked Questions

What does Normally Closed (NC) mean for this thermostat?

Normally Closed (NC) means the electrical contacts are closed, allowing current to flow, at temperatures below the set point (80°C). When the sensed temperature reaches or exceeds 80°C, the internal bimetallic disc snaps and mechanically opens the contacts, breaking the circuit to stop current flow. It resets and closes again once the temperature cools below the reset point.

What is the maximum electrical load this switch can handle?

This KSD302 switch is rated for a maximum of 16 Amperes at 250 Volts Alternating Current (AC). It is designed to directly switch resistive loads like heating elements. For inductive loads (motors, transformers), derating or using it in conjunction with a relay is recommended to account for inrush currents and ensure longevity.

How do I wire and install this ceramic temperature switch?

Installation is straightforward. The switch has two screw terminals. Wire it in series with the load (e.g., heater) and the power source. Ensure the switch's metal sensing face is in good thermal contact with the surface or medium whose temperature you need to control. Mount it securely using the provided bracket or appropriate hardware, avoiding stress on the terminals.

Is this thermostat self-resetting or manual reset?

The KSD302 is a self-resetting (automatic reset) thermostat. After it trips open at 80°C, it will automatically close the circuit again once the temperature cools down sufficiently (typically a few degrees below the trip point, due to hysteresis). This allows for cyclic operation without manual intervention.

Package Includes

  • 1 x Ceramics KSD302 80°C NC Temperature Control Switch Thermostat

Additional Information

Weight 0.02 kg
Dimensions 11 × 7 × 2 cm