Siemens SION User Manual

Operation
9229 0025 176 0E 71
2021-11-15
Change to the switching position indicator after electrical opening:
The spring state indicator does not change.
Discharging the closing spring
To discharge the closing spring:
• Deactivate the supply voltage
• On the vacuum circuit-breaker, actuate the OPEN, CLOSE and OPEN pushbut-
tons manually one after the other.
This ensures that the vacuum circuit-breaker is open and the closing spring is dis-
charged.

CLOSE OPEN

Siemens SION Specifications

General

Brand	Siemens
Model	SION
Category	Circuit breakers
Language	English