Prevents fail-to-danger
April 1st 2011 The KSD+ from Castell is a new
trapped key interlock power isolator,
suitable for 3-phase currents from 32
to 250A, which is said to
dramatically increase safety
protection over conventional designs,
preventing fail-to-danger.
Designed to the latest BS EN
60947-3:2009 standard, the new
KSD+ has been created with a nondirect
drive interlocking mechanism.
The key that controls the operation
of the isolator does not bear the load
of switching the contacts,
traditionally a potential point of
failure. Switching is now achieved
with an extending handle that
enhances the ease of use, as well as
device reliability. The key traps the
handle in place and prevents
operation when the key is removed.
To further enhance the safety of
the KSD+, the ability to switch the
device on while the case is open has
been removed through the use of a
coded sensor. More articles from Castell Safety International Ltd: | 
