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Parts | Limit Switches
 

Wire Rope Hoist Load Limiter

Wire Rope Hoist Load Limit Switch
When your load exceeds the lifting capacity of you crane, load limiters will cut power from lifting your load higher. This can save your life, avert lost downtime from a damaged crane, and prevent expensive accidents and insurance claims.

If you are using a hoist that is not equipped with overload protection or require a new load limiter, let us know. We will supply you with a limit switch that meets your exact needs. Whatever your single line load capacity, work environment, or wire rope size, your limit switch will be custom made to your requirements.

These load limit switches can be installed onto a hoist at the rope's dead end or equalizer sheave. It can be designed for other installations with a power reel or remote control. You'll find these limit switches to be extremely easy to install - you simply clamp them onto the wire rope without having to cut the rope or make modifications to the hoist.

The load limit switch is activated from the deflection of the rope when the hook lifts the load. This increases the tension of the rope, which activates the limit device. The device can be electrically connected with the hoist's switch for either up or down motion, depending on the motion to be controlled. As well, it can work as both an upper limit switch and load limit switch as a special order.

Get a FREE ESTIMATE on Your Load Limit Switch.

Custom built to your needs. Choose from:
100 lbs to 10 tons single line load capacity
Explosion proof for volatile work environments
Weather proof for outside use
Dual fuction: load limiter and upper limiter
Model RB Model RB
All Load Limit Switches provide alarm via the Tension Plate Activated Switch. All models are available in a slack wire rope. A regular limit switch is with a single pole, but on request you can add a double pole (2 speeds) for special applications.
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MODEL NO. DESCRIPTION WIRE ROPE
RB-10 Tension plate activated, 6 inch up to 9 mm wire rope
RB-20 Tension plate activated, 10 inch 10 to 16 mm wire rope
RB-300 Tension plate activated, 12 inch 17 to 25 mm wire rope
Model RB-SS - Stainless Steel Model RB-SS - Stainless Steel
These limit switches are manufactured using stainless steel. This increases the lifetime of the switch when used in corrosive environments.
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MODEL NO. DESCRIPTION WIRE ROPE
RB-10-SS Tension plate activated, Stainless steel up to 9 mm wire rope
RB-20-SS Tension plate activated, Stainless steel 10 to 16 mm wire rope
RB-300-SS Tension plate activated, Stainless steel 17 to 25 mm wire rope
Model RB-DF - Dual Function Model RB-DF - Dual Function
The Dual Function Limit Switch is used as a Load Limit Switch and an Upper Limit Switch.
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MODEL NO. DESCRIPTION WIRE ROPE
RB-20-DFSS load & upper limit up to 16 mm wire rope
RB-300-DFSS load & upper limit 17 to 25 mm wire rope
Model RB-WP - Weather Proof Model RB-WP - Weather Proof
A Weather Proof Limit Switch designed for outdoor use.
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MODEL NO. DESCRIPTION WIRE ROPE
RB-10-WP Weather Proof Tension Plate activated up to 9 mm wire rope
RB-20-WP Weather Proof Tension Plate activated 10 to 16 mm wire rope
RB-300-WP Weather Proof Tension Plate activated 17 to 25 mm wire rope
Model RB-EXP - Explosion Proof Model RB-EXP - Explosion Proof
Explosion Proof Limit Switch designed for use in hazardous locations.
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MODEL NO. DESCRIPTION WIRE ROPE
RB-10-EXP Tension plate activate for hazardous locations up to 9 mm wire rope
RB-20-EXP Tension plate activate for hazardous locations 10 to 16 mm wire rope
RB-300-EXP Tension plate activate for hazardous locations 17 to 25 mm wire rope