FS (Also Available in Q style. See attached Picture 2)
LEI Indias is an Authorised Distributor of Castell Safety International Ltd
typical application of the W key selector box is switchgear to ensure that
multiple supplies are not applied to common bus bars. In
the application illustrated key I 1 will operate incomer 1, key I 2 will operate
incomer 2 and key I 3 will operate incomer 3.
Key B1 operates bus coupler 1
while key B2 operates bus coupler 2. When the key is inserted, the
corresponding switch is closed. The
system shown is in condition 1 (see table) and has the three incomer switches
closed and the busbar switches open. To change the system to condition 2 the I 1
key is returned to the selector box and the selector knob moved to condition 2.
In this position, the B1 key can be removed and the B1 Busbar switch closed.