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Bridge Crane Control Panels
All motorized bridge cranes require a master panel to control bridg e crane functions. Harrington control
panels are completely pre-wired and teste d, and ready to mount on bridge beam. Standard panel is
NEMA 1 rated and includes:
Fusing for crane drives
protect motors and are NEC compli ant
reversing contactor
provides bridge crane
forward and reverse control
Electric Acceleration Control (E AC)
allows easy field adjustment o f 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 secondar y
fusing) provides low voltage
control circuit for pendant
NEMA 4 bridge crane control panels available upon request.