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Below-the-hook

Remote-releasing hooks

Release the load without anyone under it or near it. Manual, remote-controlled and extended-capacity Rig-Release hooks.

3 products · 16 part numbers

Caldwell

Every one of these is a rated lifting device. We inspect and repair them too — inspection.

Caldwell · 3 products

Caldwell remote-releasing hooks

Transcribed from Caldwell's master catalogue, with the page cited on every product. Figures are theirs, exactly as they print them.

RR Rig-Release Manual Releasing Hook

RRRig-Release Manual Releasing Hook

Caldwell

Product & Safety Features: (lbs.) D E F G J K L O A B C T **Maximum Allowable Rigging Weight (lbs.) Basket Choker Rope Dia. (in.) Basket Choker

  • Cost-effective option for safer rig releasing
  • Rope guide allows rigging to be released when hook is either above or beside the operator
  • If hook is located below the operator, please ask about the Upward Pull option
  • Rated load capacity can be lifted from either lift arm or the lower strib sling hook
  • Do not exceed capacity on hook
  • When the minimum load is applied, the inner body assembly sits in the Lock & Capture position and cannot be released

Dimensions (in.)

Model NumberRated Capacity (tons)DEFGJKLOABCTWeight (lbs.)
RR-111.150.751.252.774.2523.1019.750.890.633.006.000.6314
RR-2.52.51.751.001.504.259.5631.6726.881.090.633.006.000.6345
RR-551.831.501.505.0011.1336.4030.751.362.004.007.001.25110
RR-10102.251.752.006.3111.0041.1632.132.082.004.007.001.25200
RR-15153.002.502.506.3115.0049.2539.252.272.505.009.001.50325
  • *If minimum load weight is not met, safety mechanism will not engage into the LOCK & CAPTURE position.
  • ** If maximum allowable rigging weight is exceeded, unit will remain in the LOCK & CAPTURE position and cannot

*Minimum · Load (lbs.) · **Maximum Allowable · Rigging Weight (lbs.)

Model NumberRated Capacity (tons)BasketChokerRecommended Lifting Slings Rope Dia. (in.)Rigging BasketChoker
RR-1130153/8147
RR-2.52.580405/82814
RR-552301157/86030
RR-10102301151-1/410050
RR-15154002001-1/210050
Quote thisCaldwell catalogue p170
RR-R Rig-Release Radio Releasing Hook

RR-RRig-Release Radio Releasing Hook

Caldwell

Product & Safety Features: (lbs.) D E F G J K L O A B C T **Maximum Allowable Rigging Weight (lbs.) Basket Choker Rope Dia. (in.) Basket Choker

  • Includes two 12 VDC 0.8 Amp Hr. sealed, maintenance-free, lead acid batteries (rechargeable)
  • Includes one charger and one vehicle adapter for standard 12 VDC vehicle outlets
  • 8-hour battery life, depending on frequency of operation
  • Radio-activated solenoid is mechanically blocked when the unit is under load, preventing load release
  • Minimum required cycle time is 1 to 2 minutes between releases
  • Two-step, two-button activation (release) sequence prevents inadvertent release signal

Dimensions (in.)

Model NumberRated Capacity (tons)DEFGJKLOABCTWeight (lbs.)
RR-2.52.51.751.001.504.259.5631.1526.881.090.633.006.000.6350
RR-5R51.831.501.505.0011.1336.4030.751.362.004.007.001.25115
  • *If minimum load weight is not met, safety mechanism will not engage into the LOCK & CAPTURE position.
  • ** If maximum allowable rigging weight is exceeded, unit will remain in the LOCK & CAPTURE position and cannot Patent No. 7,380,849

*Minimum · **Maximum Allowable · Rigging Weight (lbs.)

Model NumberRated Capacity (tons)Load (lbs.) BasketChokerRecommended Lifting Slings Rope Dia. (in.)Rigging BasketChoker
RR-2.52.580405/82814
RR-5R52501257/86030
Quote thisCaldwell catalogue p171
RR-EC Rig Release Extended Capacity-Basket Hitch Releasing Hook

RR-ECRig Release Extended Capacity-Basket Hitch Releasing Hook

Caldwell

When you need even more lifting power, the Extended Capacity Rig-Release® Hook is ready to go. Choose from a 10-ton Remote Controlled unit or a 20- or 30-ton Manual Unit for the big jobs.

  • For basket hitch only
  • Designed for rugged outdoor use
  • 20- and 30-ton capacity manual release units
  • 10-ton capacity radio controlled release units
  • Easy to use - simply rig, lift, set and release
  • Oversized bail for easy mounting on crane hook

Dimensions (in.) · Bail Dimensions (in.)

Model NumberRated Capacity (tons)DFGJLQABCTWeight (lbs.)
RR-20-EC202.252.126.3030.8138.0026.502.505.009.001.50425
RR-30-EC303.002.756.3034.0050.7531.253.507.0016.002.00675
Quote thisCaldwell catalogue p172

Not a standard size?

Most of what we sell below the hook is engineered to the load. Send us the weight, the pick points and the headroom and we'll have it designed, built and proof tested.