Siemens 5ST3020 Auxiliary Fault Signal Contact NO/NC - 5ST3020

Notice: This product is discontinued

Discontinued
Siemens 5ST3020 Auxiliary Fault Signal Contact NO/NC - 5ST3020
Siemens 5ST3020 Auxiliary Fault Signal Contact NO/NC - 5ST3020
Reference: E3WK4
Brand: Siemens
Mfr. Part: 5ST3020

Universal fault signal contact with 1 NO + 1 NC configuration, designed for Siemens miniature circuit breakers 5SL, 5SY, 5SP, RCBO 5SU1, and FI 5SV series. Compatible with SENTRON 5ST3 residual current devices, featuring simple installation and integrated touch protection. Note: 5SU1 applications require handle coupler 5ST3805-1.

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Note: product cannot be returned

Notice: This product is discontinued

Description
Specifications

Description

Universal fault signal contact with 1 NO + 1 NC configuration, designed for Siemens miniature circuit breakers 5SL, 5SY, 5SP, RCBO 5SU1, and FI 5SV series. Compatible with SENTRON 5ST3 residual current devices, featuring simple installation and integrated touch protection. Note: 5SU1 applications require handle coupler 5ST3805-1.

Pros:

  • Universal mounting compatibility across multiple device series
  • Easy installation and connection process
  • Built-in standard touch protection for safety
  • Reliable fault signal indication with NO/NC configuration

Specifications

Device fitting
Universal
Width in number of modular spacings
1
Number of contacts as normally open contact
1
Number of contacts as normally closed contact
1
Number of contacts as change-over contact
0
Number of fault-signal switches
1
Rated voltage
400 V