Shutter lock (SST-LOCK)
When pulling out a breaker equipped with a safety shutter
(SST) from the cradle, its safety shutter can be locked in the
closing position so that the live parts cannot be touched.
A padlock (shackle diameter ø5 or less) is provided by the
customer.
Safety shutter nameplate
Please refer to the example below when using the safety shutter nameplates "BUSBARS" and "CABLES," which are enclosed
with the safety shutter (SST).
(Fig. 20-2)
Remove debris and dust from the safety shutter before adhering the nameplate.
(BUSBARS: Line side, CABLES: Load side)
Fig. 20-2
E-20
Safety shutter nameplate
(One each is supplied)
Safety shutter nameplate
can be adhered
Padlock
(shackle diameter ø5 or less)
Shutter lock
Fig. 20-1