Short DescriptionOur 12 mm through-hole slip ring (model: DHK012-6-5A) delivers reliable power and signal transmission in a compact 35 mm OD housing. With 6 independent circuits rated 0–5A and 0–240V, gold-to-gold contacts and copper-alloy rings, it is designed for industrial automation, packaging machinery, CCTV turntables and test rigs.
Key Specifications- Dimensions: 12 mm inner bore × 35 mm outer diameter
- Circuits: 6 rings, 0–5A per ring, 0–240V AC/DC
- Contact system: Gold-to-gold contacts; copper alloy rings (Ag≥1um plating)
- Performance: Up to 250 rpm; operating temperature -30°C ~ +80°C
- Protection: IP51
- Typical use: automation, CCTV, packaging, rotary tables
Key Features- Space-saving design: 12 mm inner bore and 35 mm outer diameter for easy integration with shafts or concentric assemblies
- Stable electrical performance: 6 independent circuits supporting 0–5A and 0–240V AC/DC with ultra-low contact resistance (Static <0.005Ω, Dynamic <0.01Ω)
- Premium contact system: Gold-to-gold contacts for low electrical noise and long service life compared with carbon brushes
- High-grade conductive rings: Copper alloy base with precious metal plating (Ag≥1um, Ra<0.4) for conductivity and corrosion resistance
- Rugged operating range: Continuous rotation up to 250 rpm and reliable operation from -30°C to +80°C
- Safety & insulation: 500MΩ @ 500VDC insulation resistance; 500V@50Hz dielectric strength, 60s no breakdown
- Protection class: IP51 — basic indoor industrial protection (not fully waterproof)
Technical Specifications (table)Parameter — Specification
Inner Bore (Hole Size) — 12 mm
Outer Diameter — 35 mm
Number of Circuits — 6 rings
Current Rating — 0–5A per ring
Voltage Rating — 0–240V AC/DC (Working voltage 220VAC)
Contact Material — Gold-to-Gold
Ring Material — Copper alloy + precious metal plating (Ag≥1um, Ra<0.4)
Contact Resistance Variation — Static <0.005Ω, Dynamic <0.01Ω
Insulation Resistance — 500MΩ @500VDC (25°±5, RH <85%)
Dielectric Strength — 500V@50Hz, 60s no breakdown (25°±5, RH <85%)
Operating Temperature — -30°C ~ +80°C
Rotating Speed — Up to 250 rpm
Protection Class — IP51
Typical Applications- Rotary tables & indexing equipment
- Packaging and filling machines
- CCTV camera turntables & surveillance systems
- Automated production lines
- Laboratory test rigs and rotary sensors
- Wind turbine pitch control (low-power signal)
Customization & OEM Service- Customizable circuit counts (2–72)
- Mixed power and signal options (Ethernet, USB, encoder, thermocouple)
- Options for higher speed (up to 3000 rpm) and higher IP rating (IP65/IP67)
- Special cable lengths or connectors; technical drawings provided on request
Why Choose Us- 12-month warranty on all slip rings
- Strict quality control with 100% electrical testing before shipment
- Fast lead time: 3–7 days standard, 7–15 days custom
- MOQ: 1 piece — sample orders accepted