EQ Electric Hoist - 3 Phase
A True Powerhouse in a Small Body
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EQ Electric Hoist - 3 Phase
A True Powerhouse in a Small Body
Harrington's EQ dual speed VFD 3-phase electric chain hoists are designed for medium to heavy-duty industrial and workstation applications. These hoists include a unique no-load high speed function that automatically increase hoist speed up to 130% when the load is less than 30% of working load limit. |
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Variable Frequency Drive (VFD)
All models come with a standard “under-the-cover” variable frequency drive – regardless of voltage. This device works by varying the power to the motor, which allows you to adjust both the high and low speeds. It also provides a soft-start/soft-stop operation to reduce shock loads, swing, and bounce – resulting in more precise load control and longevity of the hoist.
COMPACT ALUMINUM BODY
Die-cast body is lightweight and offers low headroom – one of the best in the industry. Paint is electrostatically applied.
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Unique Chain Guide
Provides quiet and smooth guiding of chain. Heavy cast iron construction for improved wear versus stamped steel design offered by many manufacturers.
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Self-Adjusting Maintenance-Free Brake
Equipped with our pull-rotor motor brake, the EQ has no brake coil to fail or discs to replace, making it virtually maintenance free.
NO-LOAD HIGH SPEED
When working with less than 30% of the full rated capacity, the EQ can operate 1.3 times faster, optimizing your work efficiency and production time.
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Extreme Duty, Three-Phase, Fan-Cooled Motor
Rated for an ASME H4 Classification, the motor has a 30/10 minute duty rating in a three phase, dual speed offering. The external motor fan functions to quickly eliminate resistor, motor, and brake heat.
CAPACITY
- 1/8 to 1 Ton
VOLTAGE
- (208-230)-3-50/60
- (380-460)-3-50/60 - Note: Supply voltage is (380-440)-3-50/60 or (415-460)-3-50/60 when coupled with MRQ trolley
COMPLIANCE
- UL 508, 508A, 1004
- CSA C22.2 NO.33,14-13, 66
- ANSI/NFPA 70, “National Electrical Code”
- ANSI/ASME B30.16, “Safety Standard—Overhead Hoists (Underhung)”
- ANSI/ASME HST—1M, “Performance Standard for Electric Chain Hoists”
CLASSIFICATION
- ASME H4
- ISO 1/8-1/2T M6; 1T M5
- FEM 1/8-1/2T 3m; 1T 2m
BODY
- Gaskets throughout the hoist provide for a IP55 rating
- Die-cast aluminum
- Completely sealed body for for both indoor and outdoor applications, including harsh environments.
- Low headroom
- Paint is electrostatically applied
- Plastic chain container standard
GEARS
- Precision machined helical gears immersed in oil bath lubrication for quiet, smooth and cool operation
LOAD CHAIN
- Ultra-strong high-performance and corrosion resistant nickel-plated
- Grade 80 DIN chain
OPERATION
- Pendant control
- Under-the-cover VFD standard
HOOKS
- Forged carbon steel
- Open gradually without fracturing under excessive loads
- Bottom hook swivels 360 degrees
- Top and bottom hooks have heavy-duty hook latch
PUSH BUTTON PENDANT
- Rated IP65
- Standard control voltage is 24VDC
- Strain relief wire is molded to pendant cord for added support and dependability
- 2-button (momentary contacts) with emergency On/Off (maintained contacts)
- E-stop is standard on all pendants
BRAKE
- Extremely durable and reliable pull-rotor motor brake
- Contains no brake coil to fail like conventional disc brakes
MOTOR
- Totally enclosed fan-cooled (TEFC)
- External motor fan quickly eliminates resistor, motor and brake heat
- 30/10-minute duty rating, H4 classification, Class B insulation, cooling fins and external thermal motor protection
OPERATING CONDITIONS
- Recommended for -4° to +104° F and humidity of 85% or less
OPTIONS
- Longer lift or pendant lengths
- Suspension bar for low headroom or enclosed track trolley applications
- Longer lift canvas chain containers