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NERM / ERM LARGE CAPACITY
ELECTRIC CHAIN HOISTS

WITH MOTORIZED TROLLEYS

gsa logo
MR trolleys are suitable for harsh or outdoor applications and
easily couple with NER/ER large capacity hoists for the heaviest
lifting and traversing requirements. Features include thermal
motor protection, side guide rollers for smooth operation and
plug in electrical connections.
Standard Motorized Trolley Specifications harrington erm large capacity electric chain hoists
Capacity Range
8 Ton - 20 Ton
Reconnectible Voltage
208-230/460-3-60 Optional voltages available.
Dual speed models are not reconnectable
Control Voltage
110V (optional 24V)
Duty Cycle
Single Speed — 30 Min.
Dual Speed — 30 Min. with VFD
Classification
ASME H4
ISO M5 or M4
FEM 2M or 1Am
Ratings
Trolley—IP55
Pendant—IP65
Standard Power Supply Length
30' (longer lengths available)
Standard Pendants
4-button (momentary contacts)
with emergency On/Off (maintained contacts)
Shafts
Standard shafts fit wide flange range
Longer shafts for wider beams
Spacers for easy adjustments
* For dual speed models
refer to table below
single speed price table.
Drop Stops
Standard
Standard Pendant Drop
4' less than lift (longer drops available)
Bumpers
Standard
Wheels
All steel
Shielded ball bearings
Fit flat or tapered beam flange
(N)ERM SERIES - Motorized Trolleys FEATURES AND BENEFITS
harrington erm large capacity electric chain hoists features
harrington erm large capacity electric chain hoists features
UL® Listed Dual Speed VFD
Certified and listed to UL 1340 “Standard for Hoists.” Under-the-cover VFD standard for dual speed hoists.
Speed ratio is 6:1 with adjustability up to 12:1.
Perpendicular Orientation
MR motorized trolley mount hoists are configured as
perpendicular to the beam.
Standard Count Hour Meter
Records and displays the number of lowering starts
and hoist on time which is valuable for preventive
maintenance. Integral to VFD on dual speed models.
Green Initiative
Built smarter without the use of harmful materials. Environmentally friendly. RoHS compliant.
High Strength, Corrosion and Wear Resistant
    Load Chain
Heavy-Duty Hook Latches
Grade 80, super strength, nickelplated load chain,
certified to DIN standards, uses unique technology to
greatly increase resistance to fatigue and wear.
Standard
High Air Flow
Cooler motor and brake attributed to an engineered
motor fin, fan blade and fan cover design.
“The Guardian”: Smart Brake Technology
A current driven electromagnetic brake does not
release unless the motor is energized. 10 year hoist
brake warranty.
Extended Chain Life
Decreased chain wear as a result of a revolutionary heat
treatment process, improved material and chain size.
Pendant Controls
Contactors
Ergonomic design for operator comfort. Red button
emergency stop is standard on all 4-button dual speed
pendants.
Mechanically interlocked, heavy-duty contactors on
single speed models.
Limit Switches
Low-profile upper and lower limit switches are
standard.
Unique Load Sheave
Increased number of pockets reduce chain vibration and
increase chain life. 5 pockets standard; 6 pockets on
smaller body hoists.
NERM vs. ERM Features ERM model has same
high-quality features as NERM plus the following:

• Second brake — Weston-style mechanical
   load brake
Friction Clutch and Load Brake
Friction clutch is standard on NER/ER models and
friction clutch with mechanical load brake standard
on ER models. Carbon friction material provides
consistent performance over a wide temperature
range.
SINGLE SPEED HOIST WITH MOTORIZED TROLLEY - SPECIFICATIONS
Cap.
(tons)
Product
Code #
Std.
Lift
(ft)
Push
Button
Cord
L (ft)
Lifting
Speed
(ft./min)
Traversing
Speed
(ft/min)
Lifting Motor
3 Phase 60 Hz
Traversing Motor
3 Phase 60 Hz
Flange
Width
Adjustability
B (in)
Min.
Allow.
Radius
for Curve
(in)
Load
Chain
Dia. x
Chain
Fall Lines
Net Wgt.
(lbs)
Weight
for
Addnl.
One Ft.
of
Lift (lbs)
Output
(Hp)
Rated Current
(amps)
Output
(Hp)
Rated Current
(amps)
NER ER
@208-230V @460V @208-230V @460V Std. Optional
8 (N)ERM080S-L 10 10.8 7.5 40 4.7 16.4 7.9 1.0 5.1 2.5 5.50 to
8.66
8.67 to
12.00
98.4 11.2 x 3 624 622 5.5
10 (N)ERM100L-L 5.5 4.7 16.4 7.9 1.0 5.1 2.5 98.4 11.2 x 4 833 831 7.4
10 (N)ERM100S-L 11 4.7 x 2 16.4 x 2 7.9 x 2 1.0 5.1 2.5 98.4 11.2 x 4 880 877 7.4
15 (N)ERM150S-L 7.5 4.7 x 2 16.4 x 2 7.9 x 2 1.0 x 2 5.1 x 2 2.5 x 2 : 11.2 x 6 1259 1254 11.4
20 (N)ERM200S-L 5.5 4.7 x 2 16.4 x 2 7.9 x 2 1.0 x 2 5.1 x 2 2.5 x 2 : 11.2 x 8 1482 1479 14.8
SEE BOTTOM TABLE FOR PRICING
(N)ERM SERIES - SINGLE SPEED HOIST WITH MOTORIZED TROLLEY — D I M E N S I O N S
hoist
Cap.
(tons)
Product Code # Headroom
C (in)
b
(in)
b'
(in)
d
(in)
e
(in)
e'
(in)
g
(in)
i
(in)
j
(in)
k
(in)
m
(in)
n
(in)
r
(in)
t
(in)
8 (N)ERM080S-L 45.9 19.7 22.9 11.2 20.9 8.8 2.4 6.89 3.4 6.9 10.6 7.5 6.0 2.76
10 (N)ERM100L-L 46.5 19.7 22.9 11.2 20.9 8.8 2.4 6.89 3.0 6.9 10.6 7.5 6.0 2.76
10 (N)ERM100S-L 46.5 19.7 22.9 11.2 20.9 8.8 2.4 6.89 3.0 6.9 10.6 7.5 20.5 2.76
15 (N)ERM150S-L 51.6 40.2 43.4 11.2 20.9 8.8 3.1 6.89 3.2 6.9 10.6 20.5 20.5 2.76
20 (N)ERM200S-L 53.0 40.2 43.4 11.2 20.9 8.8 3.4 6.89 3.0 6.9 10.6 20.5 20.5 2.76

DUAL SPEED HOIST WITH MOTORIZED TROLLEY - SPECIFICATIONS
Cap.
(tons)
Product
Code #
Std.
Lift
(ft)
Push
Button
Cord
L (ft)
Lifting
Speed
(ft./min)
Traversing
Speed
(ft/min)
Lifting Motor
3 Phase 60 Hz
Traversing Motor
3 Phase 60 Hz
Flange
Width
Adjustability
B (in)
Min.
Allow.
Radius
for Curve
(in)
Load
Chain
Dia. x
Chain
Fall Lines
Net Wgt.
(lbs)
Weight
for
Addnl.
One Ft.
of
Lift (lbs)
Output
(Hp)
Rated Current
(amps)
Output
(Hp)
Rated Current
(amps)
NER ER
@208-230V @460V @208-230V @460V Std. Optional
8 (N)ERM080SD-L 10 10.8 7.5/2.5 40 4.7 17.3 8.3 1.0 5.1 2.5 5.50 to
8.66
8.67 to
12.00
98.4 11.2 x 3 624 622 5.5
10 (N)ERM100LD-L 5.5/2 4.7 17.3 8.3 1.0 5.1 2.5 98.4 11.2 x 4 833 831 7.4
10 (N)ERM100SD-L 11/3.5 4.7 x 2 17.3 x 2 8.3 x 2 1.0 5.1 2.5 98.4 11.2 x 4 880 877 7.4
15 (N)ERM150SD-L 7.5/2.5 4.7 x 2 17.3 x 2 8.3 x 2 1.0 x 2 5.1 x 2 2.5 x 2 : 11.2 x 6 1259 1254 11.4
20 (N)ERM200SD-L 5.5/2 4.7 x 2 17.3 x 2 8.3 x 2 1.0 x 2 5.1 x 2 2.5 x 2 : 11.2 x 8 1482 1479 14.8
SEE BOTTOM TABLE FOR PRICING
(N)ERM SERIES DUAL SPEED HOIST WITH MOTORIZED TROLLEY — D I M E N S I O N S
dual speed hoist
Cap.
(tons)
Product
Code #
Headroom
C (in)
b
(in)
b'
(in)
d
(in)
e
(in)
e'
(in)
g
(in)
i
(in)
j
(in)
k
(in)
m
(in)
n
(in)
r
(in)
t
(in)
8 (N)ERM080SD-L 45.9 19.7 22.9 11.2 20.9 8.8 2.4 6.89 3.4 6.9 10.6 7.5 6.0 2.76
10 (N)ERM100LD-L 46.5 19.7 22.9 11.2 20.9 8.8 2.4 6.89 3.0 6.9 10.6 7.5 6.0 2.76
10 (N)ERM100SD-L 46.5 19.7 22.9 11.2 20.9 8.8 2.4 6.89 3.0 6.9 10.6 7.5 20.5 2.76
15 (N)ERM150SD-L 51.6 40.2 43.4 11.2 20.9 8.8 3.1 6.89 3.2 6.9 10.6 20.5 20.5 2.76
20 (N)ERM200SD-L 53.0 40.2 43.4 11.2 20.9 8.8 3.4 6.89 3.0 6.9 10.6 20.5 20.5 2.76

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PRICING FOR ERM SERIES with Motorized Trolley
Cap.
(tons)
Product
Code #
Lift
Speed
(FPM)
Standard Lifts Max. Lift
Canvas
Chain
Cont.
Chain
Cont.
Adder
Extra Lift (ft.) Net
Weight
10' Lift
(Lbs)
10' 15' 20' Load
Chain
P/B
Cord
Total
8 ERM080S-L 7.5
26
$99.94 $113.71 622
10 ERM100L-L 5.5
20
$133.25 $147.02 831
10 ERM100S-L 11
40
877
15 ERM150S-L 7.5
26
1254
20 ERM200S-L 5.5
20
1479
Standard pendant hangs approximately 4 ft. above the hoist's fully extended bottom hook.
For lifts or push button cord lengths other than standard, use 10 ft. base price plus adders for load chain and push button cord.
For lifts and pendant length limitations, consult us.
Standard power supply cord is 30 ft. Extra per ft. is $6.33
Cable support trolley included for every 5 ft. of power supply cord.
Thermal motor protection is standard.
Choose code for required trolley speed: L=40 FPM, S=80 FPM.

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PRICING FOR NERM SERIES with Motorized Trolley
Cap.
(tons)
Product
Code #
Lift
Speed
(FPM)
Standard Lifts Max. Lift
Canvas
Chain
Cont.
Chain
Cont.
Adder
Extra Lift (ft.) Net
Weight
10' Lift
(Lbs)
10' 15' 20' Load
Chain
P/B
Cord
Total
8 NERM080S-L 7.5
26
624
10 NERM100L-L 5.5
20
833
10 NERM100S-L 11
40
880
15 NERM150S-L 7.5
26
1259
20 NERM200S-L 5.5
20
1482
Standard pendant hangs approximately 4 ft. above the hoist's fully extended bottom hook.
For lifts or push button cord lengths other than standard, use 10 ft. base price plus adders for load chain and push button cord.
For lifts and pendant length limitations, consult us.
Standard power supply cord is 30 ft. Extra per ft. is $6.70
Cable support trolley included for every 5 ft. of power supply cord.
Thermal motor protection is standard.
Choose code for required trolley speed: L=40 FPM, S=80 FPM.

PRICING FOR MR MOTORIZED TROLLEY SHAFT EXTENDERS
Cap. (Tons) Std. Flange Width (in.) Flange Width w/Ext. Shaft (in.) Price
1/8 - 1 2.28 - 5.00 5.01 - 6.02
6.03 - 12.00
1 1/2 - 2 3.23 - 6.02 6.03 - 7.02
7.03 - 12.00
2 1/2 - 3 3.23 - 6.02 6.03 - 7.02
7.03 - 12.00
5 3.94 - 7.01 7.02 - 7.60
7.61 - 12.00
For flange ranges beyond this chart, consult us. Pricing applies only when purchased with MR Trolley.
PRICING FOR NER / ER / MR SERIES - 6:1 (Adjustable to 12:1)
DUAL SPEED ADDERS (VFD Control)
Cap.
(Tons)
Product Code Lift Speed
(FPM)
Extra $ Net Weight
Adder (lbs.)
8 NER/ER080SD-L** 7.5/2.5 46
10 NER/ER100LD-L** 5.5/2 45
10 NER/ER100SD-L** 11/3.5 89
15 NER/ER150SD-L 7.5/2.5 88
20 NER/ER200SD-L 5.5/2 88
**For 8 and 10 Ton trolleys, consult variable frequency drive VFD packages below under MR Electric Trolley Variable Frequency
Drive (VFD) Packages.
Specify hoist model and voltage. VFD Control is not reconnectable voltage.
Speed Change / Infinitely Variable Speed - VFD Adder (Add to Dual Speed Adder)
• 2-Speed, Speed change other than standard - add $97.60 for each directional axis.
• 2-Step Control - add $97.60 for each infinitely variable directional axis.
• 3-Step Control - add $341.61 for each infinitely variable directional axis.
Pricing for MR Electric Trolley Variable Frequency Drive (VFD) Packages
Trolley Selection Voltages VFD Package Product Code Price Per Package
MR080L
MR100L
208/230-3-60 VFD223MR $2,525.96
460-3-60 VFD246MR $2,525.96
575-3-60 VFD357MR $2,525.96
The VFD provides variable control of the trolley's travel speed.
The packages are designed for a single MR trolley with NER/ER hoist.
For other applications, consult us.
VFD Package Includes: P.E. variable frequency drive, enclosure, mounting bracket, hardware, wiring and pendant
Standard Specifications: To Place and Order Provide:

• Speed ranges from full rated speed down to 10%
• NEMA 12/13 enclosure
• 110V control circuit
• 2 or 4 button pendants
• Branch circuit fusing
• Easily programmable
• Programmed to meet customer specifications

• Trolley and hoist product code
• Voltage
• Speed control required - soft start, single slower
   speed, multi-speed (2, 3, 4 or 5 speeds) or infinitely
    variable
• Beam size, beam flange and beam overall length
For variances in headroom, consult us.

ERM Large Capacity Electric Chain Hoists with Motorized Trolleys, Single Speed, Dual Speed, Chain Hoist, Harrington, Trolley,
Motorized Trolley, Capacity Range, and 8 Ton-20 Ton from your source for material handling equipment.

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