JZR2 Series Three Phase Wound Rotor Slip Ring Crane Motor

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

Customized frame size/power

Shaft: Special dimensions, double shaft end, tapered, hollow as per request

Working Duty: S2, S3, S4, S5, S6, S7, S8, S9

Service Factor: 1.15 or above

Insulation class: H (180°C)

Ambient temperature: Above 40 °C (on request)

Altitude: ＞1000M (on request)

Mounting methods: B5, V1

Space heaters

Thermostats RTD

Thermal protection PTC

Bearing: SKF, FAG brand

NDE or both DE and NDE bearings are electrically insulated

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

JZR2 Series Wound Rotor Crane Duty Induction Motor