Kussmaul Auto Interlock

The Auto Interlock series is a specialized line of automatic AC power transfer switches engineered explicitly for emergency vehicles, rescue trucks, and command units. Its primary purpose is to automatically and safely switch a vehicle's electrical loads between station shoreline power and an onboard auxiliary generator or inverter.

• AUTO INTERLOCK II
  20A, double pole relay
  Rapid relay transfer time
  Hard wire installation
  Indicator lights activate to identify
  the transfer switch position
  source (shore line or generator)
  Available for 120V and 240V
  operation
  Steel powder coated case
• 091-134 - Auto Interlock II 120VAC
  Dimensions: 4.5” L x 7.0” W x 3.5” D
• 091-134-230 - Auto Interlock II 240VAC
  Dimensions: 4.5” L x 7.0” W x 3.5” D
• 091-134-022-1 - Auto Interlock II w/ Heyco Conn

• AUTO INTERLOCK III
  15A outlet
  Rapid relay transfer time
  Easy plug-in installation includes
  generator and shore input cables
  with molded plugs
  Indicator lights activate to identify
  transfer switch position source
  (shore line or generator)
  120V operation
  PVC case
• 091-134A - Auto Interlock III
  Dimensions: 4.5” L x 7.0” W x 7.0” D
• 091-134A-20 - Auto Interlock III 20 AMP

• AUTO INTERLOCK IV
  50A, four pole, double throw relay
  120V, 3 wire or 240V, 4 wire
  compatible
  Can be used to transfer two
  separate shore/generator circuits
  Hard wire installation
  Adjustable transfer delay from
  2 seconds to 10 minutes allows
  the generator to warm up and
  stabilize before load connection,
  default set at 24 seconds. Specify
  any modifications when ordering.
• 091-197 - Auto Interlock IV
  Dimensions: 4.25” L x 8.50” W x 8.50” D