JZR2 Series Wound Rotor Crane Duty Induction Motor

Short Description:

Rated output: 2.2~125 kW
Rated voltage: 380V, 400V, 415V, 440V, 460V, 460V, 480V, 550V
Rated frequency: 50Hz / 60Hz
No. of poles: 6P, 8P, 10P


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JZR2 Series Wound Rotor Crane Duty Induction Motor Description

JZR2 series slip ring motors for crane and metallurgical uses, featured with large overload capacity and adequate mechanical strength, are especially suitable for driving various types of crane and metallurgical machineries or other similar equipment.

Type: 3 Phase Wound Rotor Crane Duty Induction Motor
Efficiency level: High efficiency energy-saving
Frame size: 11~73 frame no.
Rated output: 2.2~125 kW
Rated voltage: 380V, 400V, 415V, 440V, 460V, 460V, 480V, 550V
Rated frequency (speed):
50Hz (1000/750/600 r/min)
60Hz (1200/900/720 r/min)
No. of poles: 6P, 8P, 10P
Material of frame/housing: Cast iron
Service Factor: 1.00
Mounting methods: Horizontal foot mounted IM1001 (B3)
Insulation Class: F (155℃)
Temp. Rising: ΔT=80°K
Bearing type: Roller/Ball bearing
Working Duty: S3 (40%)
Connection: Star-conn. for 132kW and below; Delta-conn. for others
Ambient Temperature: ≤40°C (general) 60°C (metallurgical)
Altitude: ≦1000 m.a.s.l
Ambient humidity: ≦90%
Protection Class: IP44, IP54, IP55
IC410, IC411 Totally-enclosed, fan-cooled
Lubricating: Grease lubricated bearings
Grounding lug: On the frame and terminal box
Material of nameplate: Stainless steel
Metric Threaded Cable Entries on the Terminal Box
With slip rings
Rotor terminal box separated from stator terminal box
Compartment of slip rings and brushes separated from stator and rotor, behind the non-drive end bearing

JZR2 Series Wound Rotor Crane Duty Induction Motor Feature

Large overload capacity
High mechanical strength
Adjustable braking torque
Compact structure
Convenient to use and maintain

JZR2 Series Wound Rotor Crane Duty Induction Motor Service Conditions

Ambient Temperature: ≤40°C (general) 60°C (metallurgical)
Altitude: 1000 m.a.s.l
Humidity: <=90%
Protection Class: IP44, IP54
Insulation Class: F, H
Temp. Rising: 80K (B class)
Cooling Method: IC410, IC411
Working Duty: S3 (40%)
Connection: Star-connection for 132kW and below; Delta-connection for others

JZR2 Series Wound Rotor Crane Duty Induction Motor Technical Parameter

JZR2 Series 3 Phase Wound Rotor Crane Duty Induction Motor
Type Rated Rated Work Full load Rotor Rotor Tmax/Tn Ins. Cl Temp. Weight
power voltage duty Current Speed Eff. P.F. voltage Current rising Wt.
(kW) V (%) (A) (r/min) (η%) (cosφ) (V) (A) (times) (K) (Kg)
Synchronous Speed 1000 r/min / 6 Pole (50Hz)
JZR2-11-6 2.2 380 25 7.0 900 68 0.7 138 12 2.5 E 75 75
JZR2-12-6 3.5 380 25 10.4 910 71 0.72 207 12 2.5 E 75 85
JZR2-21-6 5 380 25 13.2 925 75.5 0.76 190 19 2.5 E 75 100
JZR2-22-6 7.5 380 25 19.2 935 78 0.76 272 19 2.5 E 75 125
JZR2-31-6 11 380 25 27 950 81 0.76 226 33 2.5 E 75 165
Synchronous Speed 750 r/min / 8 Pole (50Hz)
JZR2-22-8 7.5 380 25 22 700 77 0.67 164 32 2.5 E 75 125
JZR2-31-8 7.5 380 25 22 700 77 0.67 164 32 2.5 E 75 165
JZR2-41-8 11 380 25 30 705 78.5 0.71 148 49 2.8 E 75 225
JZR2-42-8 16 380 25 44 710 80 0.69 217 48 2.8 E 75 270
JZR2-51-8 22 380 25 53 715 85 0.74 217 66 2.8 E 75 350
JZR2-52-8 30 380 25 67 715 86 0.79 272 72 2.8 E 75 405
Synchronous Speed 600 r/min / 10 Pole (50Hz)
JZR2-61-10 30 380 25 75 580 84 0.72 145 134 2.8 B 80 650
JZR2-62-10 40 380 25 90 580 87 0.78 198 145 2.8 B 80 650
JZR2-62-10 45 380 25 101 580 87 0.78 198 145 2.8 B 80 780
JZR2-63-10 60 380 25 143 580 87.5 0.73 272 140 2.8 B 80 910
JZR2-64-10 65 380 25 155 580 87.5 0.73 272 140 2.8 B 80 910
JZR2-71-10 80 380 25 177 585 89 0.77 282 177 2.8 B 80 1250
JZR2-72-10 100 380 25 221 585 90.5 0.76 385 176 2.8 B 80 1450
JZR2-73-10 125 380 25 266 585 90.3 0.79 425 182 2.8 B 80 1600
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