Accessories For Plug-In And Draw-Out Units; Description Of Individual Product Variants - Siemens 3VA1 100 A Manual

4.4.7

Accessories for plug-in and draw-out units

4.4.7.1

Description of individual product variants

Position signaling switches
These auxiliary switches are capable of signaling a variety of states via electrical
connections. The position signaling switch is available in only one version.
Applications:
● Signal "Position of breaker in the draw-out unit"
● Signal "Draw-out unit locked / open"
● Signal "Plug-in unit - MCCB correctly bolted to plug-in socket"
The position signaling switches are changeover switches, i.e. they have three terminals:
①
②
③
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02
NO contact
NC contact
Common potential contact
4.4 Plug-in and draw-out technology
Accessories
225