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Electric Chain Hoists

Product Overview

LK ELECTRIC CHAIN HOISTS STANDARD FEATURES:

  • 1/8 to 5 ton capacities (125 kg - 5000 kg) / Single fall up to 2.5 ton (2,500 kg), two fall up to 5 tons (5000 kg)
  • 10, 15 and 20 ft. (3, 4.5 and 6 m) lifts standard; additional lifting heights available up to 98 ft. (30 m) single fall, 49 ft. (15 m) two fall
  • Two-speed TMU trolley drive unit (trolley speed is 80/20 FPM)
  • Trolley brake, drop lugs and bumpers are standard
  • Variable frequency drive option on TMU
  • Various hoist suspensions including hook, push trolley & motorized trolley (TMU)
  • Disc brake positioned after the mechanical overload device (clutch); on the load path
  • High density polyethylene black chain container
  • Two or three step helical gear

R&M Materials Handling, Inc. is pleased to announce that the LK Electric Chain Hoist has been awarded the HMI-Certified License. HMI Certificate

HMI-CertifiedSM is a registered asset of the Hoist Manufacturers Institute (HMI). The purpose of the HMI-Certified License program is to instill buyer and user confidence in the product by assuring it meets one or more recognized industry standards and the licensee is committed to safety, service and after market support. The product is also verified, signed and sealed that it meets the requirements of said Standards(s) by a qualified US registered Professional Engineer.

 

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About Electric Chain Hoists

 LK ELECTRIC CHAIN HOISTS

  • All R&M hoists are statically and dynamically tested with a minimum of 125% rated load prior to shipping
  • ASME HST-1
  • ASME B30.16
  • EC Declaration of Conformity
  • CSA approval (60 Hz, 115 VAC models only)
  • RoHS Compliant
  • Plug-in push button pendant with E-stop & built in mainline contactor are standard
  • Integral hoist control panel and push button enclosures bothmeet NEMA type 3R (IP55) protection classification

 

LK INNOVATIVE PERFORMANCE WITH EASY OPERATIONS:

  • Power and control plugs for quick assembly and disassembly
  • Electrics split on two main printed circuit boards (PCB)
  • Power and motor control PCB
  • Electrical cover safety cables retain fasteners during service
  • Electrical components designed for plug and play
  • Easily replaceable components (including hoist motor)
  • Easy access to internal chain guide and sprocket - Can be easily inspected and replaced

PC Board

LK INNOVATIVE SLIP CLUTCH & BRAKE:

  • DC brake for quite operation; IP66 protection class
  • Easy to adjust slip clutch/overload device
  • Hoist brake designed to last for the DWP (designed working period) of the hoist. No air gap adjustment required
  • Disc brake is positioned after the clutch on load path
  • Design enables brake to hold load without interaction of the clutch

 

LK ELECTRICAL LIMIT SWITCH:

  • Rocker style electrical limit, protected inside hoist body
  • Limit switch triggered by rubber protection of bottom block or rubber cased fall stop on loose end
  • Mounted to pressure cast aluminum chain guide

LK TOUGHEST GEARBOX IN THE BUSINESS:

  • Minimum AGMA 10 heat treated helical gearing
  • Permanently lubricated gearbox for the DWP of the hoist
  • Quiet gear train – < 70 db - Maximum

 

LK LOAD WHEEL:

  • Precision manufactured, hardened load wheel
  • Patented load wheel with five intermediate teeth; low noise, less chain wear, for smooth and quiet operation

Load Wheel

LK CONTROL:

  • Voltage control 48 VAC (50 Hz) or 115 VAC (60 Hz)
  • Single speed hoists are voltage re-connectable for 208, 230, 460V/3/60 Hz and easily re-connectable with plug and fuse change

 

LK HIGH PERFORMANCE TEFC (TOTALLY ENCLOSED FAN COOLED) MOTOR:

  • Heavy duty type 50% ED rating (exceeds 30 min. rating) on three phase motors
  • IP55 protection; Class F Insulation
  • Optimum cooling with ribbed aluminum construction motor for maximum surface area
  • Motor thermal protection with bi-metal switch  

LK Cut-a-way

LK HOIST BODY:

  • Constructed of pressure-cast aluminum
  • 70µm epoxy painted for corrosion resistance