Cranegard Features and Specifications
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SPECIFICATIONS:
Ultimate safety factor: 2:1 (1.8:1 for metric capacities)
Cable: Should be IWRC (Independent Wire Rope Core) with as many strands as possible.
Calibration: Performed with rope diameter specified on the order.
FEATURES:
Easy to install-- Clamps directly on hoist or crane wire rope. No need to cut rope or interrupt service.
Versatile-- Each Cranegard can include from one to four switches, each with a preset load limit.
Affordable, effective warning system-- Cranegard's preset switches activate a warning light or audible alarm or interrupt a crane's power source when cable loads reach specified levels.
OPTIONS:
Weatherproof low differential travel switch--Cranegard system can accommodate up to four of these switches.
Explosion proof switch--For use in hazardous locations (Class I, Div I, groups C & D; Class II, groups E, F & G).
| Capacity |
Min. Set Pt. |
Repeatability |
Rope Diameter |
| lb |
(kg) |
lb |
(kg) |
lb |
(kg) |
in |
(cm) |
| 2,500 |
(1,250) |
100 |
(50) |
±75 |
(35) |
3/16 to 1/2 |
(5 to 3) |
| 5,000 |
(2,500) |
200 |
(100) |
±150 |
(75) |
3/8 to 7/8 |
(10 to 22) |
| 10,000 |
(5,000) |
400 |
(200) |
±300 |
(150) |
7/16 to 7/8 |
(11 to 22) |
| 20,000 |
(10,000) |
800 |
(400) |
±600 |
(300) |
5/8 to 1-1/4 |
(16 to 32) |
|