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Thern Series 477 Helical/Worm Gear Power Winches

Thern Series 477 Helical/Worm Gear Power Winches

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.

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WARNINGS & CAUTIONS

WARNINGS & CAUTIONS

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.

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