A3M (3-Pole, 2x 4A @ 1x 30A)

Asiantool Model A3M Rotary Electrical Connector

Asiantool A3M Mercury Slipring has the feature of carrying 2 channels at 4 Amps and 1 channel at 30 Amps. It's a compact, small-scale slip ring for high-performance applications.

• It provides space-saving advantage in your designs.
• Can achieve high rotation speeds.
• Offers long working life with reliable performance.

Product Name	Asiantool A3M Rotary Electrical Connector (REC)
Channels	3
Rated Current	2×4A @ 1×30A
Rated Voltage, max	250VAC
Operating Temperature	-30°C to 60°C
Maximum Speed	1800 rpm
Maximum Frequency	200 MHz
Insulation Resistance	>25 MΩ
Rotation Torque	200 gm-cm
Moreover, the most used mercury slipring brands: Asiantool MLTECH MERCOTAC

ASIANTOOL A3M

They have low internal resistance and typically come with pin connections, though optional wired versions are also available. Since they use mercury for conduction, their operation differs significantly from standard slip rings.

• Provide extremely long service life – up to 2 billion cycles
• No mechanical wear between contacts thanks to the liquid mercury interface
• Maintain signal quality at high rotational speeds
• Offer low contact resistance and minimal noise

Mercury Slipring Usage Areas

• Packaging Machines
• Military Vehicles
• Cable Drums
• Wind Turbines
• Textile Machinery
• Robot Arms
• Turntables or Rotary Tables
• Welding Machines
• Laminating Machines
• Heated Rollers
• Thermocouples, Strain Gauges
• Remote Video Control
• Semiconductor Production
• VFD Motor Shaft Ground
• Rotary Laser LIDAR Applications

The Benefits of Mercury Slipring

• Increased reliability and service life
• Extremely low electrical noise
• Resistance under 1 milliohm
• Compact design supporting both high power and low voltage signals
• No maintenance required

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