Harrington Hoists EAC800 Bridge Crane Control Panels, Main line contactor Reversing contactor

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Bridge Crane Control Panels

All motorized bridge cranes require a master panel to control bridge crane functions. Harrington control panels are completely pre-wired and tested, and ready to mount on bridge beam. Standard panel is NEMA 1 rated and includes:

Through-the-door fused disconnect switch

is osha compliant lock-out capable

Main line contactor

Reversing contactor

Thermal overload relay

allows the crane to be turned

provides bridge crane

(auto-reset) protects crane

on and off from the pendant

forward and reverse control

drives from overheating

28

Control transformer

Fusing for crane drives

Electric Acceleration Control (EAC)

(with primary and secondary

protect motors and are NEC compliant

allows easy field adjustment of crane

fusing) provides low voltage

 

acceleration and helps minimize load swing

control circuit for pendant

 

 

NEMA 4 bridge crane control panels available upon request.

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Contents Com pliance Glossar y of Com mon Crane TermsCrane Ser vice Classifications Crane Service ClassControl transformer Fusing for crane drives Bridge Crane Control PanelsMain line contactor Reversing contactor Prod uct Code Rectifier Motor and BrakeRugged helical and spur gears Brake DiskStationary axles Brake assemblyBrake Coil Adjusting Bolt Series 3 Underhung Crane D rive WheelsR i e s 3 S i n g l e G i r d e r B e a m S i z e s Bridge Beam Selection Char tsHarrington Complete Crane Systems T i o n s