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Harrington Hoists NER O p t i o n s a n d Te c h n i c a l D a t a, Short Time Rating, 1m lift

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Short Time Rating

O p t i o n s a n d Te c h n i c a l D a t a

D U T Y C L A S S I F I C A T I O N S

			Operation Time Ratings at K=0.65*

			Uniformly Distributed		Infrequent
			Work Periods		Work Periods

					Max. ON
	Hoist		Max. ON	Max. No.	Time From	Max. No.
	Duty		Time	of	Cold Start	of
	Class	Typical Areas of Application	(min/hr)	Starts/hr	(min)	Starts

	H2	Light machine shop fabricating, service and maintenance; loads	7.5	75	15	100
	H2	and utilization randomly distributed; rated loads infrequently handled	(12.5%)	75	15	100
			(12.5%)

	H3	General machine shop fabricating, assembly, storage, and	15	150	30	200
	H3	warehousing; loads and utilization randomly distributed	(25%)	150	30	200
		warehousing; loads and utilization randomly distributed	(25%)

		High volume handling in steel warehouses, machine shops, fabricating	30
	H4	plants and mills, and foundries; manual or automatic cycling operations	30	300	30	300
	H4		(50%)	300	30	300
		in heat treating and plating; loads at or near rated load frequently handled	(50%)


*K=Mean effective load factor.

L I F T I N G M O T O R R A T I N G S
Short Time Rating	Intermittent Rating (Percent ED)

This rating indicates how long the hoist can be operated continuously at the rated capacity on the cycle below, assuming continued operation for a short time span.

3 sec. stop

48

Max. Number of Starts Per Hour

This rating indicates the allowable ratio of motor ON time to motor OFF time, and starts per hour for a hoist operated continuously

at 63% of rated capacity on the cycle below, assuming continued operation or repeated starting over a long time span.

1m lift

1m lower

3 sec. stop

1 cycle

•Single speed: 60 min

•Dual speed: 30/10 min

	stop
lift		lower
			stop
t 1	t 2	t 3	t 4
		T (1 cycle)

Example (single speed): %ED = Motor ON time (t1 + t3) x 100

T (1 cycle)

(Where T = 1 cycle (t1 + t2 + t3 + t4) and is not more than 10 minutes.)

NER/ER Lifting Motor Ratings

• Single speed: 60% ED, 360 starts/hr

• Dual speed: 40/20% ED, 120/240 starts/hr

B U L L A R D ® A N D S H U R - L O C ® H O O K S

These hooks offer a positive locking latch feature. Consult Customer Service for full details.

Image 38

Harrington Hoists NER O p t i o n s a n d Te c h n i c a l D a t a, Short Time Rating, Intermittent Rating Percent ED

Contents

H O I S T S POWEREDE L E C T R I C Wo r k i n g H a r d e r F o r Yo u MR Motorized Trolleys Ta b l e o f C o n t e n t sNER/ER Electric Chain Hoists NER/ER Electric Chain Hoists With Hook and Lug SuspensionsExternal Motor Fan N E R/ E R E l e c t r i c C h a i n H o i s t sExtreme Duty Motor Forged Carbon Steel HooksLong Life Friction Clutch Easy Maintenance Control PanelLoad Sheave Plug-In ConnectionsCable Support Arm Assembly M R M o t o r i z e d T r o l l e y sPower Supply Cord Built-In Drop StopsUniversal Tread Wheels Heavy Duty MotorMotor Gearing Pull-Rotor Motor BrakeW i t h H o o k a n d L u g S u s p e n s i o n s Standard Hoist SpecificationsN E R / E R E l e c t r i c C h a i n H o i s t s Limit SwitchH A R R I N G T O N E L E C T R I C P O W E R E D H O I S T S NER/ER010LS I N G L E S P E E D - S P E C I F I C A T I O N S N E R / E R E l e c t r i c C h a i n H o i s t sW i t h H o o k a n d L u g S u s p e n s i o n s OutputD U A L S P E E D - D I M E N S I O N S H A R R I N G T O N E L E C T R I C P O W E R E D H O I S T SD U A L S P E E D - S P E C I F I C A T I O N S NER/ER010LW i t h M o t o r i z e d T r o l l e y s Standard Motorized Trolley SpecificationsN E R M / E R M E l e c t r i c C h a i n H o i s t s Standard Power Supply CordH A R R I N G T O N E L E C T R I C P O W E R E D H O I S T S NERM/ERM030L-L Shown with optional canvas chain containerL=40 N E R M / E R M E l e c t r i c C h a i n H o i s t sW i t h M o t o r i z e d T r o l l e y s S=80NERM/ERM030L-L AdjustabilityH A R R I N G T O N E L E C T R I C P O W E R E D H O I S T S Lifting MotorNERM/ERM030L-L N E R M / E R M E l e c t r i c C h a i n H o i s t sW i t h M o t o r i z e d T r o l l e y s D U A L S P E E D H O I S T W I T H D U A L S P E E D T R O L L E Y - S P E C I F I C A T I O N S Standard Manual Trolley Specifications very long lifts H A R R I N G T O N E L E C T R I C P O W E R E D H O I S T SNERP/ERP005L Shown with optional steel chain container available for NERG/ERG050LFigures in parentheses are data for geared trolley Tons H A R R I N G T O N E L E C T R I C P O W E R E D H O I S T SNERP/ERP010L NERG/ERG050LLoad WeightFlange Width TonsTons H A R R I N G T O N E L E C T R I C P O W E R E D H O I S T SNERP/ERP010L NERG/ERG050LIn-Line Handgrip Unique Features and BenefitsUnique Hoist Specifications High/Low SpeedsD U A L S P E E D - D I M E N S I O N S NER003SCC Dimensions in inchesH A R R I N G T O N E L E C T R I C P O W E R E D H O I S T S LoadStandard Power Supply Cord Standard Hoist SpecificationsLimit Switch Large Capacity RangeER100S WeightH A R R I N G T O N E L E C T R I C P O W E R E D H O I S T S ER080S Shown with standard suspensionsCapacity Range Standard Motorized Trolley SpecificationsStandard Power Supply Cord Reconnectible VoltageERM200S-L H A R R I N G T O N E L E C T R I C P O W E R E D H O I S T SERM100L-L ERM100LD-L 8.67ERM080SD-L ERM100SD-LERM200S-L H A R R I N G T O N E L E C T R I C P O W E R E D H O I S T SERM100L-L Standard Manual Trolley Specifications ERP080S Shown with optional canvas chain containerERG080S H A R R I N G T O N E L E C T R I C P O W E R E D H O I S T SERP080S ERG080S Shown with optional canvas chain container ERPERG100SD ERP080S ERG080SERPERG080SD Corrosion Resistance Test Results for NP and ND Chains O p t i o n s a n d Te c h n i c a l D a t aFigure 1-Latch Kits SubstanceH A R R I N G T O N E L E C T R I C P O W E R E D H O I S T S Chain DimensionsHook Dimensions S N E R* H O O K D I M E N S I O N SShort Time Rating Where T = 1 cycle t1 + t2 + t3 + t4 and is not more than 10 minutesO p t i o n s a n d Te c h n i c a l D a t a Intermittent Rating Percent EDP r o d u c t C o d e F o r N E R / E R S e r i e s ERM 020 SD-SDN o t e s Electric Wire Rope Hoists Catalog C o m p l e t e P r o d u c t O f f e r i n gAir Powered Hoists Catalog Manual Hoist Products CatalogC O N T A C T Y O U R N E A R B Y WarrantySpare / Replacement Parts -1 year H A R R I N G T O N D I S T R I B U T O R