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Harken™ CMC CLUTCH™
Engineered for precision, the Harken™ CMC CLUTCH™ offers a high-performance rope management system, providing reliable control and smooth operation in demanding rescue and climbing scenarios.
PRODUCT DESCRIPTION
More is Possible
Introducing the all-new CLUTCH, the latest evolution in rescue and rope access hardware that enables the technical rope professional to do more with less. This multi-purpose device was designed and engineered in collaboration by two companies with a collective 90 year history in rope management under heavy loads: CMC, a company with roots in rescue and rope access, and Harken, a manufacturing company with roots in high performance sailing.
Suited to a multitude of rigging operations, the CLUTCH delivers efficient operation, ease of use, and optimal control. It moves seamlessly between anchor-based systems and personal use, offering unmatched versatility for the rope technician. With the CLUTCH, more is possible.
FEATURES
- Single wearable tool for efficient hauling, controlled lowering, smooth personal descent, easy ascending, belaying, and Twin Tension Rope Systems
- Delivers up to 38% higher efficiency in hauling and ascending than a cam-style device: reducing changeovers
- Moves seamlessly between anchor-based systems and personal use, doing the job of multiple pieces of equipment
- Combines the key features of load management devices and personal descenders: reducing equipment training and cost
- Instantly transitions between hauling and lowering or ascent and descent without having to transfer the load
- Allows main and belay lines to be twin-tensioned in mirrored or nested configurations (Double CLUTCH Technique)
- Replaces 8 pieces of traditional equipment: pulley, rescue rack, anchor plate, load release strap, prusik cord, and 3 carabiners
- 11 mm CLUTCH and CMC G11™ build NFPA G-Rated systems using 11mm rope, saving space and reducing weight
- 11 mm CLUTCH is compatible with 10.5 – 11 mm rope and certified to NFPA General Use, ANSI, and EN standards
- 13 mm CLUTCH is compatible with 12.5 – 13 mm rope and certified to NFPA General Use and ANSI standards
- Patented. Made in the USA.
COMPONENTS
- Stainless steel ratcheting and rotating sheave provides efficient and audible auto-locking progress capture
- Rope loading/unloading is secured with an innovative double-latched side plate that is independent of the device‘s attachment point
- Anti-Panic brake and force limiting features ensure operational safety and overload protection
- Machined aluminum chassis clad with stainless steel wear guards ensures light weight and durability
- Integrated becket allows for the direct connection of mechanical advantage components
- Control handle has large sweet spot for smooth, progressive lowering and descent control
- Included screw can be installed in the side plate to create closed rope systems for rapid deployment
CERTIFICATIONS
- 11 mm Gray CLUTCH
- NFPA
- General use (g) mbs 40 kN (8,992 IBF) pulley
- General use (g), descent control, ø 10.5 – 11 mm
- General use (g), belay device, ø 10.5 – 11 mm
- ANSI/ASSE
- Z359.4-2013
- CE
- EN 12841: 2006/C
- EN 341: 2011/2A
- EN 15151-1: 2012/8
- NFPA
- 13 mm Red CLUTCH
- NFPA
- General use (g) MBS 40 kN (8,992 IBF) pulley
General use (g), descent control, ø 12.5 – 13 mm
General use (g), belay device, ø 12.5 – 13 mm
- General use (g) MBS 40 kN (8,992 IBF) pulley
- ANSI/ASSE
- Z359.4-2013
- NFPA
TECHNICAL DATA
Option |
Item |
Color |
Rope Size |
Dimensions |
Weight |
Max Load |
3 Sigma MBS |
Certifications |
Price |
|---|---|---|---|---|---|---|---|---|---|
11 mm Gray CLUTCH |
335011 |
Gray |
10.5 – 11 mm (7/16 IN) |
208 x 112 x 47 mm (8.2 x 4.4 x 1.9 in) |
836 g (1.84 lbs.) |
Up to 272 kg (600 lbs.) |
Pulley: 40 kN (8,992 LBF) / Becket: 22 kN (4,946 LBF) |
NFPA (G); ANSI/ASSE; CE (EN Standards) |
$765 |
13 mm Red CLUTCH |
335013 |
Red |
12.5 – 13 mm (1/2 IN) |
208 x 112 x 47 mm (8.2 x 4.4 x 1.9 in) |
816 g (1.80 lbs.) |
Up to 272 kg (600 lbs.) |
Pulley: 40 kN (8,992 LBF) / Becket: 22 kN (4,946 LBF) |
NFPA (G); ANSI/ASSE |
$765 |
VIDEOS
- Introducing the CMC CLUTCH™ by HARKEN INDUSTRIAL™ | CMC
- Using the CLUTCH in a Twin Tension Rope System (TTRS) | Double CLUTCH | CMC
- CMC 13mm CLUTCH Inspection & Function Test | CMC
- CMC 13mm CLUTCH Ascending & Descending | CMC
- CMC 13mm CLUTCH Lowering & Hauling | Application Series | CMC
- CMC 11mm CLUTCH Inspection & Function Test | CMC
- CMC 11mm CLUTCH Ascending & Descending | CMC
- CMC 11mm CLUTCH Lowering & Hauling | CMC
- Stairway Lower | CMC Pro Tip
- Rig for Rescue Using the CLUTCH on Inverted Anchors with a TTRS – CMC Collab by Matthew Waskiewicz
