Hubbell LX-450 User Manual
Transfer switches
Hubbell Industrial Controls, Inc.
Transfer Switches
LX-450 Automatic Transfer Switch • LX-440 Non-Automatic Transfer Switch
Catalog • July 2011 • Replaces June 2011
May 2009 (Replaces March 2008)
100 Amps rated at 42k Amps when used with
circuit breakers
200 Amps rated at 50k Amps when used with
circuit breakers
260-400 Amps rated at 65k Amps when used
with circuit breakers
600-1250 Amps rated at 65k Amps when used
with circuit breakers
LX-450 and LX-400 Transfer Switches short-circuit
withstand ratings:
SPDT
LX-450 and LX-400 Transfer Switches are double
throw, mechanically Interlocked, electrically
operated. As the Hubbell name implies, these
switches were designed, constructed and tested
for heavy-duty applications to assure dependable
operation.