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EATON CORPORATION www.eaton.com
Instruction Leaflet IL 33-LGH-3
Effective September 2010
Digitrip Retrofit System for the ITE
LG-3000 (Frameless) Circuit Breaker
Connect the wires to the bottom of each Phase
Frame using the (3) .250-20 x .375" bolts,
(3) lock washers, and (3) flat washers supplied.
Use the wire clamp provided and the existing
screw to secure the PT Wires to the top of the
Aux. CT Module.
B. Connect the External Harness to the Trip Unit.
C. Secure the External Harness to the Trip Unit
Mounting Bracket, as shown, using the
(2) wire clamps, (2) .138-32 x .500" screws,
(4) flat washers, (2) lock washers, and
(2) nuts supplied.
Note:
For 510 Basic Retrofit Kits, the External
Harness is the plug pictured here. It is to be
plugged into the right side of the Trip Unit.
D. Connect the Aux. CT Harness to its receptacle
on the Trip Unit
E.
For Kits Supplied with a PT Module Only.
Connect the PT Harness to the External
Harness. Plug the other end into the receptacle
on the PT Module.
F.
For Kits Supplied with an Auxiliary Switch Only.
Connect the External Harness to the Auxiliary
Switch by routing the two (2) wires (with ring
terminals) from the External Harness to the
Auxiliary Switch. Connect one wire to the
normally “Closed” terminal and the other wire to
the “Common terminal.”
G. Use the wire ties and wire clamps provided to
dress all wires and harnesses to keep them
away from any moving parts within the Breaker.
