Harrington Hoists and Cranes (N)ER Hoist - ((N)ER1) - Manual (Page 8)

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2.0 Technical Information
2.1 Specifications
2.1.1 Product Code
2.1.2 ER and NER Models - Harrington ER series hoist are available in two versions, the ER and NER.
These two versions are equipped with different options as standard equipment. The NER has a friction
clutch mechanism that provides over winding protection. The ER has a mechanical load brake/friction
clutch combination and an electronic count/hour meter in the control circuit. Refer to
Figure 2-1 for the
visual differences between the ER and NER.
Figure 2-1 Identifying ER verses NER Models
2.1.3 Operating Conditions and Environment
Temperature range: -4° to +104°F (-20° to +40°C)
Humidity: 85% or less
Enclosure Rating: Hoist Meets IP 55, Pendant Meets IP65
Supply Voltage: Standard 208-230/460V-3-60, Optional 575V-3-60, Special Voltages Available
Single Speed Dual Speed
ASME Duty Classification: H4 H4
Intermittent Duty Rating: 60% ED
360 starts per hour
40/20% ED
120/240 starts per hour
Short Time Duty Rating: 60 min. 30/10 min.