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 All Categories    Thermal Protectors Series 01: Types C01 / CK1 / C02 / S01 / SK1 / S02
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Thermal Protectors Series 01: Types C01 / CK1 / C02 / S01 / SK1 / S02

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Application: Thermal Protectors of Series 01 - Types 01 / K1 (NC) and 02 (NO) are utilised for overheating protection of all kinds of electrical equipment or devices, most suitable for electrical motors whereat after overheating and subsequent cooling an automatic resetting is required. Conditionally by the high pressure stability of the housing, they can either be attached on or embedded within coil windings. CK1 and SK1 are the preferred types for low switching temperatures.

Design: These switches are equipped with a high capacity contact mechanism, wherein the bimetallic disc can move freely, without the current flowing through it. An additional spring disc maintains constant contact pressure until reaching its switching temperature.
Versions :
  • S01 / SK1 / S02 with insulation cap
  • C01 / CK1 / C02 without insulation cap

    Operation: If, in the case of overheating, the rated switching temperature of the bimetallic disc is reached, it suddenly snaps over and opens (01 / K1) or closes (C02 / S02) the contact. After cooling down beyond its resetting temperature, the bimetallic disc returns automatically to its initial position.



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    Item #

    Item Name

    Diameter d

    Height h

    Lengths of Insulation Cap I

    Contact Type

    Nominal Switching Temperature

    Switch Insulation

    C01 Type C01 Thermal protector without insulation cap 9.0 mm 4.3 mm N/A Normally Closed (NC) 60 - 200 ºC N/A
    CK1 Type CK1 Thermal protector without insulation cap 9.0 mm 4.3 mm N/A Normally Closed (NC) 60 - 200 ºC N/A
    C02 Type C02 Thermal protector without insulation cap 9.0 mm 4.3 mm N/A Normally Open (NO) 60 - 200 ºC N/A
    S01 Type S01 Thermal protector with insulation cap 9.4 mm 4.7 mm 15 mm Normally Closed (NC) 60 - 200 ºC Insulation cap: Mylar - Nomex®
    SK1 Type SK1 Thermal protector with insulation cap 9.4 mm 4.7 mm 15 mm Normally Closed (NC) 60 - 200 ºC Insulation cap: Mylar - Nomex®
    S02 Type S02 Thermal protector with insulation cap 9.4 mm 4.7 mm 15 mm Normally Open (NO) 60 - 200 ºC Insulation cap: Mylar - Nomex®
      Results 1 - 6 of 6 1