What this page is
This URL used to list disadvantages of a massage DC motor (brush wear, EMI, efficiency, size). Zhejiang Sanrong Electric Motor Co., Ltd. (SUNROAD / Sanrong Electric) does not publish those figures. The 24 V listing is a furniture / care-bed actuator. Use the spec table. Do not invent hours, dB, or percent efficiency.
What SUNROAD actually lists
24V Furniture Actuator DC Motor
https://www.sunroadmotor.com/dc-motor/dc-brushed-motor/massage-dc-motor.html
model 62S-39E, 24 V, 2250 RPM, 50 W, 0.2 N.m, S1, IP44. Duty is continuous S1. Enclosure is IP44, not a sealed or submersible rating. SUNROAD does not publish brush life, EMI, or mechanical-efficiency percent on this page.
12V Hydraulic DC Motor
https://www.sunroadmotor.com/dc-motor/dc-brushed-motor/12v-hydraulic-dc-motor.html
model 1287, 12 V, 2500 RPM, 1600 W, 180 A, 6 N.m, S2=4 min, IP54. Duty is a short power-unit cycle, not continuous running.
How OEM buyers specify
Send voltage, load or stroke, duty (S1 or S2), shaft, and quantity to Zhejiang Sanrong Electric Motor Co., Ltd. Typical MOQ for 62S-39E is 500 pcs. If S1 or IP44 does not match the machine, say so in the inquiry. Do not treat this page as a massage-industry teardown.
FAQ
Does SUNROAD publish a brush-life or efficiency percent for 62S-39E? No.
Is 62S-39E a massage motor? No. The URL stayed for search. The listing is a furniture / care-bed actuator.
Where is the factory? Ningbo. Legal name Zhejiang Sanrong Electric Motor Co., Ltd. Brand SUNROAD / Sanrong Electric.