LAEG YE4 Series High Efficiency Motor

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LAEG YE4 Series – High Efficiency Motor for Industrial Applications

Key Features of LAEG YE4 Asynchronous Motors

IE4 Energy Efficiency

The YE4 series complies with the IE4 efficiency class as defined by IEC 60034-30-1 and meets Level 2 requirements under GB18613-2020. These motors significantly reduce energy losses, making them the smart choice for businesses focused on long-term operational savings.

IEC-Compliant Design

With installation dimensions consistent with standard induction motors, the YE4 series ensures seamless replacement or integration. The motors are self-fan cooled and fully conform to both IEC and national standards, offering easy installation and long-lasting durability.

High Performance Benefits

Premium high efficiency motor with IE4 rating
Strong cast iron housing for industrial strength
Quiet operation with low vibration
High insulation and protection levels
Enhanced reliability and minimal maintenance needs

Applications

LAEG YE4 high efficiency asynchronous motors are ideal for:

Industrial Fans
Water and Oil Pumps
Air Compressors
Construction Machinery
Any system requiring energy-efficient, continuous-duty motors

Maintenance Guide for LAEG Asynchronous Motors

To maintain the high performance of your LAEG High Efficiency Motor, regular inspections and proper care are essential:

1. Visual & Vibration Checks

Detect early wear, overheating, or imbalances
Identify loose connections or oil leaks

2. Bearing Lubrication

Follow manufacturer’s grease type and schedule
Adapt lubrication frequency to operational load

3. Electrical Safety Tests

Use a megohmmeter to check insulation resistance
Ensure all terminal connections are secure

Why Choose LAEG YE4 High Efficiency Motors?

Trusted asynchronous motors brand with industrial-grade durability
Highest efficiency rating (IE4) for reduced operating costs
Compatible with global standards for easy integration
Engineered for performance, safety, and sustainability

Technical Data(380V/50Hz) Design value
Type	Power	Current	Speed	EFF.	P.F.	RT	Stall torque	Max. torque	locked-rotor current
Type	kW	A	r/min	%		N-m	Tst/TN	Tmax/TN	Lst/IN
2 poles-synchronous speed 3000rpm-50Hz
YE4-80M1-2	0.75	1.6	2907	83.5	0.83	2.4	2.2	2.3	8.5
YE4-80M2-2	1.1	2.4	2907	85.2	0.83	3.5	2.2	2.3	8.5
YE4-90S-2	1.5	3.1	2917	86.5	0.85	4.8	2.2	2.3	9.0
YE4-90L-2	2.2	4.4	2909	88.0	0.86	7.0	2.2	2.3	9.0
YE4-100L-2	3	5.9	2917	89.1	0.87	9.6	2.2	2.3	9.5
YE4-112M-2	4	7.7	2915	90.0	0.88	12.7	2.2	2.3	9.5
YE4-132S1-2	5.5	10.4	2925	90.9	0.88	17.5	2.0	2.3	9.5
YE4-132S2-2	7.5	14.0	2925	91.7	0.89	23.9	2.0	2.3	9.5
YE4-160M1-2	11	20.3	2954	92.6	0.89	35.0	2.0	2.3	9.5
YE4-160M2-2	15	27.4	2954	93.3	0.89	47.8	2.0	2.3	9.5
YE4-160L-2	18.5	33.7	2954	93.7	0.89	58.9	2.0	2.3	9.5
YE4-180M-2	22	40.0	2969	94.0	0.89	70.0	2.0	2.3	9.5
YE4-200L1-2	30	54.2	2972	94.5	0.89	95.5	2.0	2.3	9.0
YE4-200L2-2	37	66.6	2972	94.8	0.89	118	2.0	2.3	9.0
YE4-225M-2	45	80.9	2976	95.0	0.89	143	2.0	2.3	9.0
YE4-250M-2	55	98.5	2981	95.3	0.89	175	2.0	2.3	9.0
YE4-280S-2	75	134	2981	95.6	0.89	239	1.8	2.3	8.5
YE4-280M-2	90	160	2981	95.8	0.89	287	1.8	2.3	8.5
YE4-315S-2	110	196	2983	96.0	0.89	350	1.8	2.3	8.5
YE4-315M-2	132	234	2983	96.2	0.89	420	1.8	2.3	8.5
YE4-315L1-2	160	284	2983	96.3	0.89	509	1.8	2.2	8.5
YE4-315L2-2	200	354	2983	96.5	0.89	637	1.8	2.2	8.5
YE4-355M2-2	250	433	2983	96.5	0.91	796	1.6	2.2	8.5
YE4-355L2-2	315	545	2983	96.5	0.91	1003	1.6	2.2	8.5
YE4-3551-2	355	621	2985	96.5	0.90	1130	0.9	2.2	8.6
YE4-3552-2	375	656	2985	96.5	0.90	1194	0.9	2.2	8.6
4 poles-synchronous speed 1500rpm-50Hz
YE4-80M2-4	0.75	1.8	1445	85.7	0.74	4.8	2.3	2.3	8.5
YE4-90S-4	1.1	2.6	1447	87.2	0.75	7.0	2.3	2.3	8.5
YE4-90L-4	1.5	3.4	1447	88.2	0.76	9.6	2.3	2.3	9.0
YE4-100L1-4	2.2	4.7	1460	89.5	0.79	14.0	2.3	2.3	9.0
YE4-100L2-4	3	6.3	1460	90.4	0.80	19.1	2.3	2.3	9.5
YE4-112M-4	4	8.3	1460	91.1	0.80	25.5	2.3	2.3	9.5
YE4-132S-4	5.5	11.4	1470	91.9	0.80	35.0	2.0	2.3	9.5
YE4-132M-4	7.5	15.2	1470	92.6	0.81	47.8	2.0	2.3	9.5
YE4-160M-4	11	21.6	1479	93.3	0.83	70.0	2.0	2.3	9.5
YE4-160L-4	15	28.9	1479	93.9	0.84	95.5	2.0	2.3	9.5
YE4-180M-4	18.5	35.1	1482	94.2	0.85	118	2.0	2.3	9.5
YE4-180L-4	22	41.6	1482	94.5	0.85	140	2.0	2.3	9.5
YE4-200L-4	30	56.5	1485	94.9	0.85	191	2.0	2.3	9.0
YE4-225S-4	37	69.5	1487	95.2	0.85	236	2.0	2.3	9.0
YE4-225M-4	45	84.3	1487	95.4	0.85	287	2.0	2.3	9.0
YE4-250M-4	55	102	1489	95.7	0.86	350	2.0	2.3	9.0
YE4-280S-4	75	136	1491	96.0	0.87	478	2.0	2.3	8.5
YE4-280M-4	90	162	1491	96.1	0.88	573	2.0	2.3	8.5
YE4-315S-4	110	195	1490	96.3	0.89	700	1.8	2.2	8.5
YE4-315M-4	132	234	1490	96.4	0.89	840	1.8	2.2	8.5
YE4-315L1-4	160	280	1490	96.6	0.90	1019	1.8	2.2	8.5
YE4-315L2-4	200	349	1490	96.7	0.90	1273	1.8	2.2	8.5
YE4-355M2-4	250	436	1491	96.7	0.90	1592	1.8	2.2	8.5
YE4-355L2-4	315	550	1491	96.7	0.90	2006	1.8	2.2	8.5
YE4-3551-4	355	620	1491	96.7	0.88	2260	0.9	2.2	8.5
YE4-3552-4	375	655	1491	96.7	0.88	2388	0.9	2.2	8.5
6 poles-synchronous speed 1000rpm-50Hz
YE4-90S-6	0.75	2.0	957	82.7	0.70	7.2	2.1	2.1	7.5
YE4-90L-6	1.1	2.8	957	84.5	0.70	10.5	2.1	2.1	7.5
YE4-100L-6	1.5	3.7	970	85.9	0.71	14.3	2.1	2.1	7.5
YE4-112M-6	2.2	5.4	973	87.4	0.71	21.0	2.1	2.1	7.5
YE4-132S-6	3	7.3	975	88.6	0.71	28.7	2.0	2.1	7.5
YE4-132M1-6	4	9.4	975	89.5	0.72	38.2	2.0	2.1	8.0
YE4-132M2-6	5.5	12.8	975	90.5	0.72	52.5	2.0	2.1	8.0
YE4-160M-6	7.5	16.4	983	91.3	0.76	71.6	2.0	2.1	8.0
YE4-160L-6	11	23.5	983	92.3	0.77	105	2.0	2.1	8.5
YE4-180L-6	15	30.7	987	92.9	0.80	143	2.0	2.1	8.5
YE4-200L1-6	18.5	37.6	987	93.4	0.80	177	2.0	2.1	8.5
YE4-200L2-6	22	44.0	987	93.7	0.81	210	2.0	2.1	8.5
YE4-225M-6	30	59.0	989	94.2	0.82	287	2.0	2.1	8.3
YE4-250M-6	37	71.7	991	94.5	0.83	353	2.0	2.1	8.3
YE4-280S-6	45	86.9	992	94.8	0.83	430	2.0	2.0	8.5
YE4-280M-6	55	105	992	95.1	0.84	525	2.0	2.0	8.5
YE4-315S-6	75	142	992	95.4	0.84	716	1.6	2.0	8.0
YE4-315M-6	90	168	992	95.6	0.85	860	1.6	2.0	8.0
YE4-315L1-6	110	205	992	95.8	0.85	1051	1.6	2.0	8.0
YE4-315L2-6	132	243	992	96.0	0.86	1261	1.6	2.0	8.0
YE4-355M1-6	160	294	993	96.2	0.86	1528	1.6	2.0	8.0
YE4-355M3-6	200	367	993	96.3	0.86	1910	1.6	2.0	8.0
YE4-355L3-6	250	458	993	96.5	0.86	2388	1.6	2.0	8.0
YE4-3552-6	315	604	990	96.6	0.82	3008	0.9	2.0	7.9
8 poles-synchronous speed 750rpm-50Hz
YE4-100L1-8	0.75	2.2	705	78.4	0.66	9.6	2.0	2.0	7.0
YE4-100L2-8	1.1	3.1	705	80.8	0.67	14.0	2.0	2.0	7.0
YE4-112M-8	1.5	4.0	715	82.6	0.69	19.1	2.0	2.0	7.0
YE4-132S-8	2.2	5.7	720	84.5	0.70	28.0	1.8	2.0	7.5
YE4-132M-8	3	7.6	720	85.9	0.70	38.2	1.8	2.0	7.8
YE4-160M1-8	4	9.8	725	87.1	0.71	50.9	1.8	2.0	7.9
YE4-160M2-8	5.5	13.1	725	88.3	0.72	70.0	1.8	2.0	8.1
YE4-160L-8	7.5	17.2	730	89.3	0.74	95.5	1.8	2.0	7.8
YE4-180L-8	11	25.0	730	90.4	0.74	140	1.8	2.0	7.9
YE4-200L-8	15	33.3	735	91.2	0.75	191	1.8	2.0	8.0
YE4-225S-8	18.5	40.9	735	91.7	0.75	236	1.8	2.0	8.1
YE4-225M-8	22	47.8	735	92.1	0.76	280	1.8	2.0	8.3
YE4-250M-8	30	63.9	735	92.7	0.77	382	1.8	2.0	7.9
YE4-280S-8	37	77.4	740	93.1	0.78	471	1.8	2.0	7.9
YE4-280M-8	45	94.0	740	93.4	0.78	573	1.8	2.0	7.9
YE4-315S-8	55	111.0	740	93.7	0.80	700	1.6	2.0	8.2
YE4-315M-8	75	151.0	740	94.2	0.80	955	1.6	2.0	7.6
YE4-315L1-8	90	179	740	94.4	0.81	1146	1.6	2.0	7.7
YE4-315L2-8	110	218	740	94.7	0.81	1401	1.6	2.0	7.7
YE4-355M2-8	132	261	740	94.9	0.81	1681	1.6	2.0	7.7
YE4-355M3-8	160	312	740	95.1	0.82	2037	1.6	2.0	7.7
YE4-355L2-8	185	360	740	95.1	0.82	2356	1.6	2.0	7.7
YE4-355L3-8	200	388	740	95.4	0.82	2547	1.6	2.0	7.8
YE4-355L-8	220	433	740	95.4	0.80	2801	1.1	1.8	7.6
YE4-355L4-8	250	498	740	95.4	0.80	3183	1.1	1.8	7.6