52mm Planetary Gear Motor | PMDC Motor for Precision Speed Reduction

PMDC-Planetary Gear Motor 52mm

The 52ZY85 series is a compact, high-performance brushed DC gear motor designed for precision motion control applications that require reliability, smooth operation, and long service life.
It is rated for 24V, and combines a permanent-magnet brushed DC motor with a durable planetary gearbox, offering a wide range of reduction ratios from 4.5:1 to 312:1 and delivering up to 17 N·m of output torque.

Shaft configurations can be customized, carbon or metal brush types are selectable, and encoders are also available.

Dimensions

Motor Technical Parameters

Type	Rated voltage VDC	No-load speed r/min	No-load current mA	Rated speed r/min	Rated torque mN.m	Output Power W	Rated current mA	Stall torque mN.m	Stall current A
52ZY85-2420	24	2000	0.25	1600	60	10	0.9	260	5
52ZY85-2430	24	3000	0.35	2400	75	18	1.5	320	6
52ZY85-2440	24	4000	0.42	3200	80	27	2	446	7.5

Gear Head Main Technical Parameters

52ZY85-2420 Technical Parameters

Reduction ratio	4.5	6.25	8	20	28	36	50	64	91	127	162	225	312
Number of gear trains	1	1	1	2	2	2	2	2	3	3	3	3	3
Length(L) mm	50	50	50	65	65	65	65	65	80	80	80	80	80
No-load speed r/min	444	320	250	100	71	55	40	31	22	16	12	9	6.4
Rated speed r/min	356	256	200	80	57	44	32	25	17.5	12	9.8	7	5
Rated torque N.m	0.24	0.34	0.43	0.97	1.3	1.7	2.4	3.1	4	5.5	7	9.8	13.6
Max. permissible load in a short time	6	6	6	25	25	25	25	25	50	50	50	50	50

52ZY85-2430 Technical Parameters

Reduction ratio	4.5	6.25	8	20	28	36	50	64	91	127	162	225	312
Number of gear trains	1	1	1	2	2	2	2	2	3	3	3	3	3
Length(L) mm	50	50	50	65	65	65	65	65	80	80	80	80	80
No-load speed r/min	666	480	375	150	106	88	60	46	33	24	18	13	9
Rated speed r/min	533	384	300	120	85	70	48	37	25	18	13	10	7.5
Rated torque N.m	0.3	0.42	0.54	1.2	1.7	2.2	3	3.9	5	6.9	8.9	12.3	17
Max. permissible load in a short time	6	6	6	25	25	25	25	25	50	50	50	50	50

Application in Different Scenarios

Customer Service

United Motion Inc.’s motion solution apply in diverse areas all around the world.

Our sales and engineering support teams are ready to assist you with any questions, including quotation, application support, and product configuration.

Please submit your requirements through our Custom Service Form to ensure a faster response. Or you can reach us at info@unitedmotioninc.com for general inquiries.

Tell Us About Your Application Requirements

United Motion Inc welcomes inquiries and challenges. If you find our standard products cannot meet your need, please feel free to contact us for customization. Our professional engineering and service team will quickly review your need and propose a solution if we can make it.

We look forward to communicating and collaborating with you!