Asiantool A3S NM Multi Conductor

Description

The A3S NM is specifically designed for industrial systems where maintaining a clean electrical signal is critical. Unlike traditional slip rings that use carbon brushes—which generate electrical “noise” through friction and debris—the A3S NM uses liquid metal to maintain a constant, “wet” contact.

This results in an exceptionally low and stable contact resistance (< 1 mΩ), making it the ideal choice for transmitting sensitive sensor data, thermocouples, or PLC signals alongside power lines without interference. Because it contains no mercury, it is fully RoHS compliant and safe for use in food processing and medical environments.

Brand

Asiantool

Asiantool’s slip rings (rotating electrical connectors) utilize special insulation, sealing, and conductive technologies. In the first three to four years of our company’s establishment, we worked in the direction of developing multi conductor models for A8H, A6H, A4H and other relevant models. At the same time, our company’s research and development team has also developed a single conductor model for theelectrical plating of 250A-A1H25S. Now, we have upgraded the product quality and introduced multi conductor models for up to 14 poles of A1430 and single heavy current conductor models up to 7500 A. for mass production.

Features

Compact 3-Pole Design: Ideal for 3-wire sensor setups or single-phase power with a dedicated ground in tight spaces.
Liquid Metal Technology: Provides an ultra-stable connection with near-zero electrical noise, essential for high-speed data and precision measurements.
Maintenance-Free: No mechanical brushes to wear down, replace, or lubricate, ensuring a long service life with zero maintenance downtime.
Eco-Friendly (Non-Mercury): Uses Gallium alloy, making it safe for global use and compliant with strict environmental regulations (CE RoHS).
Low Rotating Torque: Requires very little force to rotate, which minimizes the load on small drive motors and delicate assemblies.
High Frequency Capability: Supports signal transmission up to 20 MHz, suitable for various digital communication protocols.

Specifications

Feature	Specification
Conductor Poles	3
Current Rating	4A (Signal) / 30A (Power option available)
Voltage (AC/DC)	250V
Max. Rotation Speed	1200 RPM
Operating Temp.	+8°C to +80°C
Contact Resistance	< 1 mΩ
Insulation Resistance	> 25 MΩ
Max. Frequency	20 MHz

Applications

Precision Sensors: Transmitting data from rotating thermocouples, strain gauges, and encoders.
Medical Equipment: Used in rotating laboratory devices and diagnostic tools requiring clean signal paths.
Packaging Machinery: Managing low-current control signals for sensors on rotating carousels.
Robotic Joints: Providing a reliable signal and power link for small-scale robotic actuators.
Video Surveillance: Enabling continuous 360-degree rotation for high-definition PTZ cameras without signal degradation.