SNH020A series(Through bore slip ring)

hole size:20mm, OD:42mm

SNH020A series is mini through hole slip ring, hole size 20mm , OD 42mm, (suitable for shaft≤20mm) , current for each wires is 2A/5A, it is applied to any devices where requires to transmit power and signals when 360 rotating, such as CCTV system, medical equipment, robots, drones, speed dome camera and so on. if have more requirement about SNH020A for customization Sales Tel No:86-755-29717812 or email: or

hole size:20mm,外径OD: 42mm;
standard current is 2A/5A (can be paralleling wires use as 10A);
Max speed:250RPM;
standard model 2-24circuits workable (more circuits can be customized );
Contact materil used precious metal ensures low contact resistance;
SNH020A series applied to any devices where requires to transmit power and signals when 360 rotating , such as CCTV systems, medical equiupment, robots, drones, laboratory equipment, mechanical arm packaging machines, surgical lights and so on
Technology specfication
circuits 2~12(refer to below) current 2A,standard 2A (paralleling wires use as 5A/10A)
voltage 250 VDC/VAC Max speed 250RPM
Hole size 20mm(或<=20mm) OD 42mm
Housing material aluminum alloy Torque 0.1N.m;+0.03N.m/6路
Working life >50 millions revolutions (depend on working speed, environment) Contact material precious metal:gold-gold
Electrical noise <10mΩ @6VDC,50mA,5RPM Contact resistance <20mΩ(AWG16#,300mm)
Dielectric strength [email protected],10s Wires spec. UL [email protected]
Dielectric strength 1000MΩ@600VDC,10s Wire length 300mm
Working termperature -40℃ ~ 85°C IP grade IP51
Mechanical vibration MIL-STD-810E Work humidity 10% ~ 85% RH
material RoHS certification CE certification yes
How to choose model no.?
for example,“020A”means hole size 20mm, OD 42mm, 12 means 12 circuits each 2A , this is standard model , if have more requirement need customized, pls contact as.
SNH020A series(SNH020A-12)model description
for example:
SNH020A-12 SNH means through hole slip ring,020A means hole size 20mm, OD 42mm, total 12 circuits , each circuits 2A signal.
SNH020A-0210-02S it is customized model, SNH means through hole slip ring, hole size 20mm, OD 42mm, total 4 circuits, 2 circuits each 10A+2A signal
standard model list
modelpower circuits(10A)signal circuits(5A)power circuitsL--length(mm)
* If you couldn't find suitable products,request customization products or solutions, pls
standard drawing
SNH020A installation drawing
hole size 20mm, 12 circuits 5A slip ring
OD 22mm, 3 circuits 2A+1 channel USB slip ring
customized USB signal slip ring
customized USB&ethernet&VGA slip ring