Miniature fuse ZH937 K-Z series
thermalhigh-voltagefor railway applications

miniature fuse
miniature fuse
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Characteristics

Configuration
miniature
Type
thermal
Other characteristics
high-voltage
Applications
for railway applications
Amperage

Min.: 0 A

Max.: 100 A

VAC

3,000 V

VDC

3,000 V

Description

Tripping device with reflector plate Schaltbau fusible overtemperature protection and tripping devices ensure fail-safe thermal cutout protection against overheating of electric air heaters as used in rail vehicles and stationary heating systems. The devices are a prerequisite for fire protection and operate totally independent of the heater controls. The device must be wired into the heater load circuit. Prior to installation, every device of the various series must be fitted with a fusible link. Fusible links are available with a number of trip temperatures, so you can order the one fusible link which meets exactly the requirements of your application. That is why fusible links are not included in delivery of any overtemperature protection or tripping device. Insufficient air flow or failure of heater control results in rapid overheating of the system. When the fixed temperature set point of the fusible link is exceeded, the device shorts the heater load circuit, tripping a series-connected fuse. This stopps the flow of current through the components, and provides protection against any return to operation of the heaters in an overtemperature condition. Features - Reliable overtemperature protection of high-voltage heating registers - Tripping function independent of control voltage and electronic regulation - Fusible links available for various trip temperatures - Version with reflector plate - Standards: IEC 60077, EN 50124-1

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Exhibitions

Meet this supplier at the following exhibition(s):

Global Industrie 2024
Global Industrie 2024

25-28 Mar 2024 París Villepinte (France) Stand 5E119

  • More information
    Hannover 2024
    Hannover 2024

    22-26 Apr 2024 Hannover (Germany) Hall 11 - Stand C401

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    *Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.