Harrington Hoists EAC900 Saw User Manual


 
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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:
Fusing for crane drives
protect motors and are NEC compliant
Reversing contactor
provides bridge crane
forward and reverse control
Electric Acceleration Control (EAC)
allows easy field adjustment of crane
acceleration and helps minimize load swing
Thermal overload relay
(auto-reset) protects crane
drives from overheating
Main line contactor
allows the crane to be turned
on and off from the pendant
Through-the-door fused
disconnect switch
is OSHA compliant lock-out capable
Control transformer
(with primary and secondary
fusing) provides low voltage
control circuit for pendant
NEMA 4 bridge crane control panels available upon request.