KSD9700 Series Thermal Protector

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Product description

Product Description

The KSD9700 Series thermal protector features an advanced snap-action bimetal disc, compact construction, high contact capacity and long service life. It provides reliable overtemperature and overcurrent protection for motors, induction cookers, vacuum cleaners, air conditioners, solenoids, transformers, electric heaters, fluorescent-lamp ballasts, automotive motors, integrated circuits and household appliances.

Product Features

  • Compact size for easy installation.
  • Each unit is individually calibrated and temperature-tested.
  • Reliable snap-action switching using a bimetal disc.
  • Stable and repeatable temperature performance throughout its service life.
  • Available with metal or plastic housings.
  • High thermal sensitivity for flexible product design.
  • Multiple lead-wire and imported Mylar insulating-sleeve options.
  • Components comply with strict RoHS environmental requirements.
  • Cadmium-free silver-nickel alloy contacts.
  • Wide selection of operating temperatures.
  • Low internal resistance of less than 50 mΩ.
  • Normally closed and normally open versions available.
  • Customizable high-temperature-resistant lead wires.

Technical Specifications

ItemSpecification
Product NameThermal Protector
ModelKSD9700
Switch TypeNormally Closed (NC) / Normally Open (NO)
Housing MaterialMetal or plastic
Metal Housing Dimensions20 × 7.4 × 3.6 mm
Plastic Housing Dimensions20 × 8.0 × 4.2 mm
Rated Voltage250 V
Maximum Current5 A at 250 VAC
DC Contact Rating12 VDC/12 A; 24 VDC/10 A
AC Contact Rating125 VAC/8 A; 250 VAC/5 A
Operating Temperature Range20°C–180°C
Operating Temperature Tolerance±3°C or ±5°C
Reset Temperature Range10°C–140°C
Reset Temperature Tolerance≤15°C
Dielectric Strength>800 VAC
Contact Resistance<50 mΩ
Insulation Resistance>100 MΩ
Temperature Change Rate≤1°C/min
Service LifeMore than 10,000 cycles

Typical Applications

  • Electric motors and automotive motors
  • Air-conditioner motors
  • Transformers and solenoids
  • Induction cookers
  • Vacuum cleaners
  • Electric heaters and heating appliances
  • Fluorescent-lamp ballasts
  • Integrated circuits
  • Household electrical appliances

Customization

Operating temperature, reset temperature, switch type, lead-wire length, insulation sleeve and housing material can be customized according to application requirements.