Leading the lifting & rigging industry
Certex Logo

Categories

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.


EMAIL PAGE

EMAIL PAGE


VIEW IN CATALOG

VIEW IN CATALOG


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.

Related Products

GOLD-TIP® Folding Handle Binders

GOLD-TIP® Folding Handle Binders

3 Sizes Available: 5/16”-3/8” | 3/8”-1/2” | 1/2”-5/8” Heavy Duty Powder Coated Straight Barrel Load binders are heat treated and proof tested with forged hooks The folding handle lets you easily position it out of the way, safer to use The 3-position pawl offers the...

Anver Vacuum Leakage Sensing System

Anver Vacuum Leakage Sensing System

ANVER’s Improved, Rechargeable VLS System VLS system now comes equipped with both a rechargeable on board battery (OBB) in addition to the existing 9v battery back up (BBU) for added security and convenience! The VLS monitors vacuum level of various systems. If the...

Anver Slip-on Seals

Anver Slip-on Seals

ANVER’s aluminum vacuum pads with SSR-Series slip-on seals have been designed using 50+ years of experience in the vacuum handling field, making them some of the most versatile and high performance vacuum cups available. ISO 9001 Certified

Anver Parking Stands for Small Vacuum Lifters

Anver Parking Stands for Small Vacuum Lifters

Adjustable in Four Positions: Pull Sideways, Turn, Let Go and it Locks in Position. Spring-Loaded Locking Mechanism Snaps into Position for One-sided, Quick Adjustments ANVER Spring-Loaded, Adjustable, Four Position Parking Stands keep the vacuum sealing rings clean...