Through Bore Slip Rings
•Hollow shaft design for easy shaft mounting and routing
•Supports combined transmission of power and various signal types
•Compatible with Ethernet (100/1000 Mbps) and industrial Ethernet (EtherCAT, Profinet, Powerlink, etc.)
•Supports HD video signals such as SDI and LVDS
•Transmits serial communication signals: RS232, RS485, RS422
•USB 3.0 and CANBus, ProfiBus, DeviceNet, and other industrial protocols supported
•Suitable for sensor signals: thermocouple, RTD, strain gauge, etc.
•Long operational life with maintenance-free design
•Easy installation and reliable performance in industrial environments
LPT Series
The LPT series features a through-bore design, allowing the central hole to accommodate shafts, pneumatic or hydraulic lines, or integrate components such as high-frequency modules, fiber optics, encoders, waveguides, and fluid joints. Utilizing advanced fiber brush technology, it ensures stable contact with ultra-low friction. With bore sizes ranging from 0 to 1000 mm, current capacity from mA to 5000A, and voltage up to 10,000V, the LPT series offers versatile, high-performance solutions for complex rotary systems.
Main Applications:
◎Industrial automation equipment/Medical equipment/Wind power equipment/Test equipment/Exhibition / display equipment/Robots/Turntable equipment/Amusement equipment/High-speed railway equipment/Packaging machinery/Ship offshore equipment/Construction machinery
| LPT Standard Through-bore Slip Rings | |||||||
Model | ID (mm) | OD (mm) | Voltage | Current | Circuits | Rotating Speed (rmp) | Details |
| LPT012 | Φ12.7 | Φ53 | 240VAC/DC | 5A/Signal | 6~24 | 300 |  |
| Φ56 | 5A/Signal | ||||||
| 10A | |||||||
| LPT025 | Φ25.4 | Φ86 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 380VAC/DC | 10A | ||||||
15A | |||||||
| LPT038 | Φ38.1 | Φ99 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 380VAC/DC | 10A | ||||||
| 15A | |||||||
| LPT050 | Φ50 | Φ119 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 10A | |||||||
| 15A | |||||||
| LPT060 | Φ60 | Φ135 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 10A | |||||||
| 15A | |||||||
| LPT070 | Φ70 | Φ135 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 10A | |||||||
| 15A | |||||||
| LPT080 | Φ80 | Φ160 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 10A | |||||||
| 15A | |||||||
| LPT096 | Φ96 | Φ185 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 10A | |||||||
| 15A | |||||||
| LPT120 | Φ120 | Φ207 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 10A | |||||||
| 15A | |||||||
| LPT150 | Φ150 | Φ250 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 10A | |||||||
| 15A | |||||||
| LPT180 | Φ180 | Φ298 | 240VAC/DC | 5A/Signal | 6~24 | 300 | |
| 10A | |||||||
| 15A | |||||||
The standard LPT models support the following signal types: serial communication, RTD signals, thermocouple signals, sensor signals, and encoder signals. Note: For additional signal transmission types, such as Ethernet, USB, HDMI, DP, SDI, GMSL, CameraLink, MIPI, LVDS, analog HD video signals, and fieldbus, please contact us. | |||||||
| LPT Long Life Slip Rings | |||||||||
| Model | ID(mm) | OD(mm) | Length(mm) | Voltage | Current | Rotating Speed(rmp) | Application | Lifespan (turns) | Details |
| LPT009-0204-05S | Φ9.55 | Φ35 | 26.6 | 240VAC/DC | 2x4A+5 *common signal | 300 or higher | Drone | 50millions | |
| LPT009-1802-HS | Φ9.5 | Φ31.8 | 43 | 240V | 2A/Signal | 500 or higher | Turntable Equipment | 50millions | |
| LPT010-0602 | Φ10 | Φ36 | 24.6 | 240V | 2A/Signal | 300 or higher | Radar Equipment | 50millions | |
| LPT012A-1202 | Φ12.7 | Φ35 | 34.4 | 240VAC/DC | 2A/Signal | 300 or higher | CableReel Equipment | 50millions | |
| LPT012B-0602 | Φ12.7 | Φ35.1 | 29.6 | 240VAC/DC | 2A/Signal | 300 or higher | Test Equipment | 50millions | |
| LPT012B-0602-HS-HT | Φ12.7 | Φ35.1 | 29.6 | 240VAC/DC | 2A/Signal | 2000 or higher | High-Speed Railway Equipment | 50millions | |
| LPT012-3002-HS | Φ12.7 | Φ36 | 66 | 240V | 2A/Signal | 500 or higher | Turntable Equipment | 50millions | |
| LPT032-0802-HS-HT | Φ32 | Φ61 | 41.9 | 220V | 2A/Signal | 400 | High-Speed Railway Equipment | 50millions | |
| SPT050-104-0610 | Φ50 | Φ104 | 58.8 | 500V | 10A | 400 | Packaging Equipment | 50millions | |
| SPT050-104-1210 | Φ50 | Φ104 | 82.8 | 500V | 10A | 400 | Packaging Equipment | 50millions | |
| SPT050-104-1810 | Φ50 | Φ104 | 106.8 | 500V | 10A | 400 | Packaging Equipment | 50millions | |
| SPT050-104-2410 | Φ50 | Φ104 | 130.8 | 500V | 10A | 400 | Packaging Equipment | 50millions | |
| LPT000-0508-E2-01A | 0 | Φ130 | 108.8 | 24V/DC | 5x8A+1x100M Ethernet | 300 | / | / | |
Pancake Series(LPK Series)
This series is divided into an integrated pancake slip ring and a separate pancake slip ringThe integrated pancake slip rings provide vias of different size; the separate pancake slip ring consists of a separate rotor and a stator to meet more stringent height requirements, and can be installed by the customer according to the application environment.
Features:
Minimum thickness up to 5.4m
Transmit analog and digital signal
The power and signal are mixed transmitted, and the signal categories are as follows:
◎Ethernet: Rate (10Mbps/100Mbps/1000Mbps)
◎Industrial Ethernet: ProfiNet, Powerlink, SercosIII, EtherCAT, EtherNet/IP, etc.
◎HD video: SDI, LVDS, etc.
◎Serial communication: RS232, RS485, RS422, etc.
◎Universal Serial Bus: USB2.0
◎Industrial Fieldbus: CANBus, CC-Link, InterBus, DeviceNet, ProfiBus, etc.
◎Sensor signal: thermal resistance, thermocouple, strain gauge, etc.
◎Shock-resistant, maintenance-free
Main Applications:
◎ Military Equipments
◎ Medical Equipments
◎ Wind Turbine
◎ Test Equipment
◎ Revolving Door
◎ Robot
| LPKS Pancake Slip Rings | |||||||
| Model | Number of Circuits | Voltage （AC/DC） | Current (A) | OD*Length (L）/（mm） | (ID)（mm） | Reference Circle (D)/（mm） | Details |
| LPKS005-0105 | 1 | 240V | 5 | Ф34×7 | 5 | 30 | |
| LPKS005-0205 | 2 | 240V | 5 | Ф42×7 | 5 | 38 | |
| LPKS005-0305 | 3 | 240V | 5 | Ф52×7 | 5 | 46 | |
| LPKS005-0405 | 4 | 240V | 5 | Ф60×7 | 5 | 54 | |
| LPKS005-0505 | 5 | 240V | 5 | Ф68×7 | 5 | 63 | |
| LPKS005-0605 | 6 | 240V | 5 | Ф76×7 | 5 | 70 | |
| LPKS005-0705 | 7 | 240V | 5 | Ф84×7 | 5 | 78 | |
| LPKS005-0805 | 8 | 240V | 5 | Ф92×7 | 5 | 86 | |
| LPKS005-0905 | 9 | 240V | 5 | Ф100×7 | 5 | 94 | |
| LPKS005-1005 | 10 | 240V | 5 | Ф108×7 | 5 | 102 | |
| LPKS019-0905 | 9 | 240V | 5 | Ф108×7 | 19 | 102 | |
| LPKS028-0805 | 8 | 240V | 5 | Ф108×7 | 28 | 102 | |
| LPKS036-0705 | 7 | 240V | 5 | Ф108×7 | 36 | 102 | |
| LPKS045-0605 | 6 | 240V | 5 | Ф108×7 | 45 | 102 | |
| LPKS053-0505 | 5 | 240V | 5 | Ф108×7 | 53 | 102 | |
| LPKS061-0405 | 4 | 240V | 5 | Ф108×7 | 61 | 102 | |
| LPKS069-0305 | 3 | 240V | 5 | Ф108×7 | 69 | 102 | |
| LPKS076-0205 | 2 | 240V | 5 | Ф108×7 | 76 | 102 | |
| LPKS084-0105 | 1 | 240V | 5 | Ф108×7 | 84 | 102 | |
Pin Connection Series(LPR Series)
LPR Pin Slip Ring adopts exquisite and innovative design, and replaces wires with pins. This model complies with the RoHs standards, and is widely used in wind generators, production line equipment, rotating platform, cable reel and hot roller.
Features:
◎Pin contact instead of wire contact 
◎Transmit power and signal
◎Smooth function
◎Low contact resistance
◎Easy to install
Option:
◎Rotating speed
◎Number of circuits
◎Current capacity
◎Housing material
Application:
◎Wind generators
◎Rotating platform
◎Cable reel and hot roller
◎Production line equipment
| Pin Connection Slip Rings | |||||||||||
| Model | Number of Circuits | Voltage （AC/DC） | Current (A) | OD*Length （mm） | Rotor Outer Diameter （D1） | Pin Base Outer Diameter （D2） | Rotor Pin Length （L1） | Rotor Exposed Length （L2） | Stator Base Length （L3） | Stator Pin Length （L4） | Details |
| LPR-2 | 2 | 240V | 2circuits* 15A | φ32*28.6 | Φ16 | Φ16 | 8 | 9.8 | 9 | 8 | |
| LPR-3 | 3 | 240V | 2circuits* 15A | φ32*28.6 | Φ16 | Φ16 | 8 | 9.8 | 9 | 8 | |
| LPR-4 | 4 | 240V | 2circuits*5A /2circuits*15A | φ32.9*28.6 | Φ16 | Φ16 | 8 | 9.8 | 9 | 8 | |
| LPR-6 | 6 | 240V | 6circuits*20A | φ45*64.5 | Φ29 | Φ29 | 8 | 10 | 10 | 8 | |
| LPR-8 | 8 | 240V | 6circuits*20A /2circuits*5A | φ45*64.5 | Φ29 | Φ29 | 8 | 10 | 10 | 8 | |
LPT Through-bore Slip Rings Installation Guide
1.Arrange wires of the rotor side and the stator side before installation. Stabilize the slip ring on the rotating shaft. Adjust the position of the shaft and the mounting hole and use 4 screws on the rotor side to fasten the components. Ensure the concentricity between the shaft and the slip ring before fixing the screws,
2.Insert the poke rod in the U slot of the anti-rotation tab. Meanwhile, arrange the wires to avoid twining with the rotor.
3.Slip rings are precise electronic components. Take protection measures in case of harsh environment or apply slip rings with higher protection level.
LPT Through-bore Slip Rings Precautions
1.The slip ring cannot bear the weight of its connected equipment. Also, wires should be free from extra pull and weight.
2.Keep wires intact during installation to avoid any poor performances due to damage of the wire insulating layers.
3.Adopt flexible connection instead of rigid connection between the rotor side and the stator side to ensure longer life span of the slip ring.
4.Stabilize the screws with locking measures to avoid loosening and dropping due to vibrations and shocks during operation.
- Industrial Automation Equipment
- Medical Equipment
- Robots
- Construction Machinery
- Test Equipment
- Amusement Equipment
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