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Siemens UL 489 - Interlock to Prevent Racking with Cubicle Door Open

Siemens UL 489
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17 – 11
17.3 Interlock to prevent racking with cubicle door open
for FS II and FS III only
- Open and discharge the closing spring (page 24-2)
- Remove the circuit breaker from the cradle (page 24-3)
Installing the mechanical interlock
DANGER
Hazardous voltage.
Will cause death, serious personal injury, or equipment damage.
Turn off and lock out all power supplying this equipment before working on this device.
1
Engage spring
3
2
Engage spring
4
check
5
Base plate of cradle

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