Overview

This controller provides reversing and plugging operation of slip ring induction motors in heavy duty cranes on Trolley services. Up to 5 motor speeds are achieved in conjunction with a master controller/Pendant Pushbutton Station.

Specification and Features

Bridge & Trolley Motion

• Simplified reliable circuit
• Inverse Time delay Magnetic Overload protection
• Time Limit acceleration
• Speed Control by series resistors
• No Volt protection
• Special Unique plugging circuit with a voltage relay

Hoisting Motion

• Plain rotor resistance
• AC Single phase dynamic braking
• Counter torque lowering
• Creep Speed

Construction Features

• Fabricated from CRCA Sheet steel / Stainless Steel(SS-304) / GI sheet steel as per requirement
• 10 Tank pretreated and Powder coating for extremely long life
• Panels suitable for indoor (IP-54) and outdoor protection(IP-55 & IP-65)