Heavy-Duty Slip Rings for Port Cranes（14*400A+5*40A+24*20A）

Features

Composite Contact System

Featuring a copper-graphite/precious metal composite contact material design, it balances exceptional high-current carrying capacity with stable signal transmission performance, effectively enhancing overall system reliability.
Hydropower-electric integrated structure

Integrates hydraulic and electrical circuits for rotational transmission, featuring a highly compact design that reduces external interfaces and system complexity while enhancing operational stability and maintenance efficiency.
Heavy-duty large-scale structural design

With an overall height exceeding 2 meters and a total weight of approximately 2800 kg, this product features heavy-duty structural design suitable for large-scale equipment and critical core systems.
Accessory Junction Box

Standard-equipped with a dedicated junction box for convenient on-site wiring and maintenance, enhancing installation efficiency and system safety.

Electronic & Electric			Mechanical
Circuits	Total	47	Working Speed	0~10rpm
	Detail	14400A+540A+2420A+ 1CAN+3*100Mbps Ethernet	Inner Diameter	/
Rating Voltage		380V/220V	Contact Material	Copper Graphite/ Precious Metals
Dielectric Strength		1000VAC @50Hz（380V） 500VAC @ 50Hz (220V) 100VAC@ 50Hz (S)	Housing Material	Q235 (Powder Coating/ Sany Marine Yellow)
Insulation Resistance		≥1000MΩ@500VDC (380V) ≥500MΩ@500VDC (220V) ≥100MΩ@100VDC (S)	Lead Wire Length	/
Environment			Remarks
Working Temperature		-40°C~+60°C	Application	Port crane
Working Humidity		≤90%RH	Other	/
IP		IP55 (Vertical installation, stator facing downward)	Note: "P" stands for power, "S" stands for signal.