Helical/worm gearing delivers dependable operation. Cast aluminum construction provides lightweight strength and durability. An enclosed oil bath provides continuous lubrication. An internal mechanical brake provides positive load control for lifting and lowering operations. Ball bearings deliver smooth operation. Wire rope sold separately.
| CERTEX Cat. Ref. No. | Thern Model | Description | Load Rating 1st Layer | Load Rating Full Drum | Wire Rope Diameter | 1st Layer Line Speed | Full Drum Capacity | Approx. Ship. Wt. |
|---|---|---|---|---|---|---|---|---|
| CX11-0642 | 4771 | 115/1/60 VAC, with 6 ft pendant | 2000 lb. | 1200 lb. | 5/16 in. | 13 fpm | 90 ft. | 87 lb. |
| CX11-0643 | 4771DC | 12 VDC, with 10 ft pendant | 2000 lb. | 1200 lb. | 5/16 in. | 13 fpm | 90 ft. | 105 lb. |
| CX11-0644 | 4771PN | pneumatic 80 cfm at 100 psi | 2000 lb. | 1200 lb. | 5/16 in. | 13 fpm | 90 ft. | 74 lb. |
| CX11-0645 | 4771HY | hydraulic 4 gpm at 1000 psi | 2000 lb. | 1200 lb. | 5/16 in. | 13 fpm | 90 ft. | 72 lb. |
Actual drum capacities may be 25-30% less, due to nonuniform winding.
Tension in the wire rope will also affect drum capacity.
For all models except 4771, line speed is based on rated load, actual speed will vary with load weight and power supply. For Model 4771PN, ratings are at 100 psi. For Model 4771HY, ratings are at 1000 psi. Controls and hoses sold separately
WARNING: Prop 65: Products supplied by CERTEX USA may expose you to chemicals including Nickel, which is known to the State of California to cause cancer. For more information, visit to www.P65Warnings.ca.gov.
WLL range 1 – 2 persons Non-removable special bolt
WLL range 1 – 2 persons Non-removable special bolt
WLL range 1 – 2 persons Ring body and bolt made from stainless steel Non-removable special bolt
Large WLL range 1.5 t – 16 t Functionally optimized shape of the suspension ring for better support at side loading and protection of the clamping spring WLL possible up to 90° in load ring plane
