Electrical Data
Rated Current	5A/ring
Rated Voltage	0~240VAC/VDC
Insulation Resistance	≥500MΩ/500VDC
Dielectric Strength	500VAC@50Hz,60s
Wire Size	Sliver plated Teflon AWG22
Mechanical Data
Wire Length	Standard 500mm(adjustable)
Dynamic Resistance	＜0.01Ω
Max. Speed	0-250 rpm
Working Temperature	-20℃~+80℃
Working Humidity	0-85% RH
Structure Material	Engineering plastic
Contact material	Precious metal/silver plated/gold plated
Operating Torque	0.1N·m for 6 rings, 0.03 N·m increased for every 6 rings added
Protection level	IP51

Model list

Model	No. of rings	Current	Voltage	Length (mm)
BST1254-6S	6	5A	0~240V	36.8
BST1254-12S	12	5A	0~240V	52.4
BST1254-18S	18	5A	0~240V	66.2
BST1254-24S	24	5A	0~240V	80.0

  BST1254 The through bore slip ring provides an economic readily available solution when a compact through hole configuration is required to be easily mounted on the shaft mechanics. Model BST1254 is a hollow slip ring provides 12.7mm through hole with OD54mm, suitable for rotating application which requires a through hole ≤12.7mm, color coded wires on both stator and rotor side, this model supports 1-24 signal rings with current capability 5A/ring.

Quanlity level	Product level code	Lifespan
Common Quality	CQ	20 million revolutions
High Quality	HQ	50 million revolutions
Super Quality	SQ	80 million revolutions

• Number of rings, support up to 300 rings
• Optional for flange mounting
• Position of wire outlet, wire length
• ID, OD, Height can be customized if structure limitation
• Aviation plug, terminal and heat-shrink tube are optional.
• High temperature can up to 500 degrees.
• High pressure can up to 110KV
• Rotating speed can up to 15,000RPM
• High current up to 5000 amperes.
• Protection level (dust and water)
• Optional for housing or structure material
• Support mixed high speed data transmission(including Ethernet, USB, Profibus, Ethercat, CANOPEN,CANBUS, RS232, RS485, etc.)
• RF/FORJ/Hybrid Pneumatic rotary union/hydraulic rotary union and electric slip ring can be mixed.

• Cable reels
• Packaging
• Rotary table
• Wind turbine
• Machine tools
• Capping machines
• Labeling machines
• Automatic machines
• Converting machines
• Exhibit / display equipment
• Medical,Pharmaceutical equipment
• Robotics, rotary sensors, urgent illumination equipment

Rings#	1	2	3	4	5	6	7	8	9	10	11	12
Color	RED	YEL	BLK	BLU	GRN	WHT	PUP	GRY	BRN	ORN	DBLU	KHK

Note: 12 wires for 1 group color, from 13-24, repeat the same color as 1 to 12, or indicated by number code pipe.