Siemens SENTRON auxiliary switch

5ST3012

SENTRON auxiliary switch, 2 NC, for compatible 5SY4 miniature circuit breakers.

Application
Circuit protection
Accessory type
Auxiliary switch
Option
2 NC
Siemens
SENTRON auxiliary switch, 2 NC, for compatible 5SY4 miniature circuit breakers.
Manufacturer range image. Contact and voltage markings may vary; see the specification below.

Product specification

5ST3012

SENTRON auxiliary switch, 2 NC, for compatible 5SY4 miniature circuit breakers.

Dimensions & specifications

Accessories are matched to individual parts. A shared manufacturer or frame size alone does not establish compatibility.

Accessories & related parts

5ST3012 — specifications & documents

SENTRON auxiliary switch, 2 NC, for compatible 5SY4 miniature circuit breakers.

Accessory typeAuxiliary switch
Contact arrangement2 NC
Compatible series5SY4
FunctionSwitch position
Width9 mm
Height90 mm
Body depth70 mm
MountingRight side of compatible 5SY MCB; one 9 mm contact module in this core configuration
Function detailSignals the MCB contact position, including manual switching and automatic tripping.
Datasheet ↗︎Manufacturer product information ↗︎

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