Electric Wire Rope Hoists

Coffing – Model WR – Wire Rope Hoist

The Coffing WR (Wire Rope Hoist) Series incorporates the High Performance Engineering of the Coffing Brand with additional advantages of wire rope. The Coffing WR models feature: a mechanical load brake; motor brake; and overload protection is standard.

• Capacities & Lift – Rated loads from 1/2 to 5 tons, with lifts from 15ft. to 70ft. based on models. Standard push button drop is 4 ft. less than lift.
• Voltages & Motor Options – 115/230 (single phase); 230/460, 208, 220/380, 575 (three phase) 60 hertz or 50 hertz. Two-speed motors available (3 to 1 speed ratio).
• Reeving Options – WR Models are available with 2-part standard; 4-part standard (S); True Vertical Lift (TVL); and Low Headroom options (LH).
• Suspension Options – Hoist can be Lug, Plain, Geared, or Motorized Trolley mounted.
• Adjustable Limit Switch – Regulate upper and lower load travel. Stainless steel and brass components provide exceptional repeatability and positioning.
• Oil Bath Transmission – Gears are precision machined of alloy steel and run in an oil bath for longer, quieter operation.
• Small Frame Design – Features housings of cast aluminum alloy construction for minimum weight. Engineered and designed for use with motors up to 1 HP.
• Large Frame Design – Features load bearing housings of ductile iron construction for maximum strength. Non-load bearing housings of cast aluminum alloy for minimum weight. Engineered and designed for use with higher torque 2 and 3 HP three phase motors.
• Machined Steel Drum – Precision grooves are machined to a depth 50% of the wire rope diameter.
• VFD Option – Under-the-cover Variable Frequency Drives offer In-field, instant programming – from infinitely variable (12:1 speed ratio) to any intermediate, predetermined speed range. VFD’s can also be externally mounted to Motorized Trolley Units.
• Other Options & Accessories – Corrosion resistant stainless steel wire rope available.

Specifications

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