YEJ Series Electromagnetic Braking Three Phase Asynchronous Motor

YEJ Series Electromagnetic Braking Three Phase Motor Operating Conditions

Ambient Temperature	-15℃ ≤ 0 ≤ 40℃
Altitude	Not exceeding 1000m
Rated Voltage	380V
Rated Frequency	50Hz, 60Hz
Protection Class	IP44, IP54, IP55
Insulation Class	B, F, H
Cooling Method	ICO141
Duty	S1 (continuous)
Connection	Star-connection for up to 3kW, Delta-connection for 4kW and above
Remark	Motors can be equipped with PTC for frame size 160 and above, and also can be equipped with the re-greasing system.

YEJ Series Electromagnetic Braking Three Phase Motor Technical Data

Type		Rated Power			Rated Speed (r/min)		EFF η（%）		Power Factor (cosφ)		Rated Current (A)		Locked Torque Rated Torque		Max Torque Rated Torque	Locked Current Rated Current
		kW	HP
2pole—Synchronous speed 3000 RPM, 50Hz
YEJ-80M1-2	0.75KW		1HP	2870		75.0		0.84		1.81		2.2		2.3			6.5
YEJ-80M2-2	1.1KW		1.5HP	2870		76.2		0.86		2.55							7.0
YEJ-90S-2	1.5KW		2HP	2885		78.5		0.85		3.42
YEJ-90L-2	2.2KW		3HP	2885		81.0		0.86		4.80
YEJ-100L-2	3KW		4HP	2875		82.6		0.87		6.34
YEJ-112M-2	4KW		5.5HP	2900		84. 2		0.87		8.30
YEJ-132S1-2	5.5KW		7.5HP	2930		85.7		0.88		11.1		2.0
YEJ-132S2-2	7.5KW		10HP	2925		87.0		0.88		14.9
YEJ-160M1-2	11KW		15HP	2940		88.4		0.88		21.5
YEJ-160M2-2	15KW		20HP	2940		89.4		0.88		29.0				2.2
YEJ-160L-2	18.5KW		25HP	2940		90.0		0.89		35.1
YEJ-180M-2	22KW		30HP	2960		90.5		0.89		41.5
YEJ-200L1-2	30KW		40HP	2960		91.4		0.89		56.0
YEJ-200L2-2	37KW		50HP	2960		92.0		0.89		68.7
YEJ-225M-2	45KW		60HP	2965		92.5		0.89		83.1
4 pole—Synchronous speed 1500 RPM, 50Hz
YEJ-80M1-4	0.55KW		0.75HP	1420		71.0		0.76		1.55		2.4		2.3			6.0
YEJ-80M2-4	0.75KW		1HP	1420		73.0		0.76		2.05		2.3
YEJ-90S-4	1.1KW		1.5HP	1425		76.2		0.78		2.81							6.5
YEJ-90L-4	1.5KW		2HP	1425		78.5		0.79		3.68
YEJ-100L1-4	2.2KW		3HP	1445		81.0		0.82		5.03		2.2					7.0
YEJ-100L2-4	3KW		4HP	1445		82.6		0.81		6.81
YEJ-112M-4	4KW		5.5HP	1450		84.2		0.82		8.80
YEJ-132S-4	5.5KW		7.5HP	1460		85.7		0.84		11.6
YEJ-132M-4	7.5KW		10HP	1460		87.0		0.85		15.4
YEJ-160M-4	11KW		15HP	1470		88.4		0.84		22.5
YEJ-160L-4	15KW		20HP	1470		89.4		0.85		30.0				2.2
YEJ-180M-4	18.5KW		25HP	1470		90.0		0.86		36.3		2.0
YEJ-180L-4	22KW		30HP	1470		90.5		0.86		42.9
YEJ-200L-4	30KW		40HP	1470		91.4		0.87		57.3
YEJ-225S-4	37KW		50HP	1480		92.0		0.87		70.2		1.9
YEJ-225M-4	45KW		60HP	1485		92.5		0.88		84.0
6 pole—Synchronous Speed 1000 RPM, 50Hz
YEJ-90S-6	0.75KW		1HP	945		69.0		0.70		2.36		2.0		2.2			5.5
YEJ-90L-6	1.1KW		1.5HP	945		72.0		0.72		3.22
YEJ-100L-6	1.5KW		2HP	950		76.0		0.74		4.05							6.0
YEJ-112M-6	2.2KW		3HP	955		79.0		0.74		5.72
YEJ-132S-6	3KW		4HP	970		81.0		0.76		7.40							6.5
YEJ-132M1-6	4KW		5.5HP	970		82.0		0.77		9.63
YEJ-132M2-6	5.5KW		7.5HP	970		84.0		0.78		12.8				2.0
YEJ-160M-6	7.5KW		10HP	975		86.0		0.78		17.0
YEJ-160L-6	11KW		15HP	975		87.5		0.78		24.5
YEJ-180L-6	15KW		20HP	980		89.0		0.81		31.6		1.8
YEJ-200L1-6	18.5KW		25HP	980		90.0		0.83		37.6
YEJ-200L2-6	22KW		30HP	980		90.0		0.83		44.7
YEJ-225M-6	30KW		40HP	985		91.5		0.85		58.6		1.7
8 poles—Synchronous speed 750 RPM, 50Hz
YEJ-132S-8	2.2KW		3HP	705		80.5		0.71		5.85		2.0		2.0			5.5
YEJ-132M-8	3KW		4HP	705		82.0		0.72		7.72
YEJ-160M1-8	4KW		5.5HP	720		84.0		0.73		9.91							6.0
YEJ-160M2-8	5.5KW		7.5HP	725		85.0		0.74		13.3
YEJ-160L-8	7.5KW		10HP	725		86.0		0.75		17.7							5.5
YEJ-180L-8	11KW		15HP	725		87.5		0.77		24.8		1.7					6.0
YEJ-200L-8	15KW		20HP	730		88.0		0.76		34.1		1.8
YEJ-225S-8	18.5KW		25HP	730		89.5		0.76		41.3		1.7
YEJ-225M-8	22KW		30HP	730		90.0		0.78		47.6		1.8

YEJ Series Three Phase Motor Brake Technical Parameters

Frame	Armature maximum stroke (air gap)	No-load braking time	Brake torque	Excitation voltage	Brake excitation rate
YEJ80	1.0	0.20	7.5	99	50
YEJ90	1.0	0.20	1.5	99	60
YEJ100	1.0	0.20	30	99	80
YEJ112	1.0	0.25	40	170	110
YEJ132	1.2	0.25	75	170	130
YEJ160	1.2	0.35	150	170	150
YEJ180	1.2	0.35	200	170	150
YEJ200	1.5	0.45	300	170	200
YEJ225	1.5	0.45	450	170	200

YEJ Series Electromagnetic Braking Three Phase Motor Installation Dimension

Frame Size	POLES	A	AB	AC	AD	B	C	D	E	F	G	GE	H	HD	K	L
80M	2 4 6 8	125	160	156	145	100	50	19	40	6	15.5	6	80	165	10	350
90S	2 4 6 8	140	176	176	155	100	56	24	50	8	20	7	90	185	10	385
90L	2 4 6 8	140	176	176	155	125	56	24	50	8	20	7	90	185	10	410
100L	2 4 6 8	160	200	196	180	140	63	28	60	8	24	7	100	230	12	450
112M	2 4 6 8	190	226	219	190	140	70	28	60	8	24	7	112	240	12	470
132S	2 4 6 8	216	262	258	210	140	89	38	80	10	33	8	132	310	12	562
132M	2 4 6 8	216	262	258	210	178	89	38	80	10	33	8	132	310	12	603
160M	2 4 6 8	254	314	314	255	210	108	42	110	12	37	8	160	385	14.5	715
160L	2 4 6 8	254	314	314	255	254	108	42	110	12	37	8	160	385	14.5	758

Frame Size	POLES	A	AB	AC	AD	B	C	D	E	F	G	GE	H	HD	K	L
80M	2 4 6 8	125	160	156	145	100	50	19	40	6	15.5	6	80	165	10	350	165	130	200	12	3.5
90S	2 4 6 8	140	176	176	155	100	56	24	50	8	20	7	90	185	10	385	165	130	200	12	3.5
90L	2 4 6 8	140	176	176	155	125	56	24	50	8	20	7	90	185	10	410	165	130	200	12	3.5
100L	2 4 6 8	160	200	196	180	140	63	28	60	8	24	7	100	230	12	450	215	180	250	14.5	4
112M	2 4 6 8	190	226	219	190	140	70	28	60	8	24	7	112	240	12	470	215	180	250	14.5	4
132S	2 4 6 8	216	262	258	210	140	89	38	80	10	33	8	132	310	12	562	265	230	300	14.5	4
132M	2 4 6 8	216	262	258	210	178	89	38	80	10	33	8	132	310	12	603	265	230	300	14.5	4
160M	2 4 6 8	254	314	314	255	210	108	42	110	12	37	8	160	385	14.5	715	300	250	350	18.5	5
160L	2 4 6 8	254	314	314	255	254	108	42	110	12	37	8	160	385	14.5	758	300	250	350	18.5	5

YEJ Series Electromagnetic Braking Three Phase Motor Wiring Method

1、the motor part, when it leaves the factory at or below 3kW, is Y-connection, and the rest is delta-connection.
2、the brake part, the motor with seat number 100 and below is DC99V, and the motor with seat number 112 and above is DC170V.

The motor is connected by Y and the brake is connected by DC99V as follows:

The motor is connected by delta and the brake is connected by DC170V as follows:

The motor is connected by Y and the brake is connected by DC170V as follows:

YEJ Series Three Phase Motor Electromagnetic Brake Troubleshooting Method

The YEJ series three-phase motor with an electromagnetic brake is commonly used in applications where precise stopping control is required. When issues arise with the electromagnetic brake, they can cause malfunction or failure in the braking system. Here are common troubleshooting steps for resolving such problems:

1. Check Power Supply

• Symptoms: The motor does not start, or the brake does not release.
• Action: Ensure the power supply to both the motor and brake is stable. Verify that the voltage and frequency are within the specifications. Use a multimeter to check for any issues with the power circuit or connections.

2. Inspect Brake Coil

• Symptoms: The brake fails to engage or disengage properly.
• Action: Check the brake coil for continuity using a multimeter. If the coil is open or has short-circuited, it will need to be replaced. Ensure that the coil is not overheated or damaged.

3. Examine Brake Alignment

• Symptoms: The brake makes noise, or the motor experiences excessive wear during braking.
• Action: Inspect the alignment of the brake components. Misalignment can cause uneven pressure on the brake disc, leading to wear and performance issues. Adjust the alignment if necessary.

4. Check Brake Voltage

• Symptoms: The brake fails to release or engage at the correct time.
• Action: Verify the control voltage applied to the electromagnetic brake. Incorrect voltage can prevent the brake from operating properly. Ensure the control circuit is functioning correctly, and check for any faulty relays or switches.

5. Inspect Brake Spring

• Symptoms: The brake is slow to release or does not engage fully.
• Action: Examine the brake spring to ensure it is not damaged, worn, or loose. A worn-out spring can cause inadequate brake pressure or inconsistent braking. Replace the spring if necessary.

By following these troubleshooting steps, common issues with the YEJ series three-phase motor electromagnetic brake can typically be diagnosed and resolved, ensuring reliable performance in applications requiring precise stopping control.

About FMP

FMP is a national high-tech enterprise specializing in the design, development, and production of advanced motors and electromechanical solutions. We focus on producing YE2, YE3, and YE4 series motors, along with a range of derivative products. Our product offerings also include three-phase and single-phase motors for hydraulic pumps, aluminum-housing motors, non-standard motors for hydraulic pumps, electromechanical integration turbine gear reducers, and other specialized motors.

FMP’s products are extensively used in industrial automation, serving key sectors such as CNC lathes, shoemaking machinery, woodworking machinery, metalworking machinery, plastic machinery, and construction machinery. With a strong commitment to innovation and quality, FMP ensures that all products meet the highest performance standards.

In addition to our comprehensive product range, we are proud to offer custom solutions tailored to the specific needs of our clients. Whether you need specialized motors, non-standard products, or integrated systems, FMP works closely with clients to deliver high-quality, bespoke solutions. Our focus on precision engineering and client satisfaction drives our continued success in global markets.

At FMP, we are dedicated to building long-term, mutually beneficial partnerships, supporting the success of our clients with each project.

Author: CX