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Priority Switch 43A 230V IP40 ABB

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Priority Switch 43A 230V IP40 ABB

E451-5.7A, priority switch with maximum switching power of 230W, used in installations where existing conductor cross-sections.

Description

E451-5.7A, priority switches are used in installations where existing conductor cross-sections or the size of the power supply connection do not permit simultaneous operation of two powerful consumers (e.g. storage heater and heat exchanger). Priority switches disconnect the long-term consumer (storage heater) as long as the short-term consumer (heat exchanger) is switched on. The current coil of the priority switch is connected in series with the short-term consumer. When the consumer is switched on, the contact of the priority switch disconnects e.g. the contactor of the heating system. 

Technical Information

  • Maximum Switching Voltage: 400 V
  • Rated Voltage (Ur): 230
  • Input Voltage Type: AC
  • Continuous Operating Current (Ic): 43 A
  • Maximum Switching Power: 230 W
  • Power Loss: 2.4 W
  • Number of Contacts CO: 0
  • Number of Contacts NC: 1
  • Number of Contacts NO: 0
  • Degree of Protection: IP40

Specifications

  • Measure (WxHxD): 17.5x85x60 mm

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