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Slip Ring Cable Reels That Stay Connected While the Drum Turns
Whether you are deploying aerial drones, tracked crawlers, ROV tethers or other devices, a rotary joint (slip ring) passes high speed data to and from your equipment while the cable drum turns. Choose 100 Mbps Ethernet, 1 Gbps Ethernet, single mode fiber optic, or a custom configuration.
3 + Custom
Rotary joint options
19 mm
Max cable diameter (0.75 in)
20 to 34 lbs
Nominal weight without cable
10 Weeks
Lead time, order to ship
What's a Rotary Joint?
Two common examples of a rotary joint are the plastic garden hose reel and the air hose drum reel found at automotive service centers. The rotary joint lets the hose wind or unwind while fluid or air is flowing.
Our rotary joints pass electrical and/or optical signals through electrical and fiber optic cables while the storage drum rotates, without the cable twisting. Signals can be up to 600 volts, low or high current, RF band, serial data, 100BaseT or Gigabit Ethernet, or even single or multimode fiber optic. Units are supplied with virtually any available connector set if they fit inside the ruggedized case.
Do I need one?
Choose a 20 Series if you need both ends of the cable connected, with signal and/or power flowing, while the drum rotates.
If you can deploy the working cable before connecting, a 10 Series storage reel saves money and ships sooner.
Anatomy of Dynamic Reels
Dynamic reels pass electrical or optical signals while the cable drum is rotating, without the cable twisting.
Rotary Joint Options
Every 20 Series size is available with any of these rotary joints.
100 Mbps Ethernet
- RJ45 connectors
- 5 m stationary side cable
- 1 m rotating side cable (nominal)
1 Gbps Ethernet
- RJ45 connectors
- 5 m stationary side cable
- 1 m rotating side cable (nominal)
Single Mode Fiber Optic
- FORJ with ST connectors
- 0.5 m stationary side cable
- 1 m rotating side cable (nominal)
Other Configurations
Power, RF, serial data, multimode fiber, mixed conductors or special connectors.
Request a custom reelChoose Your 20 Series Reel
Capacities include an 80% real-world winding factor.
PCR-620
Small
The smallest and lightest reel with a rotary joint for active deployment.
PCR-1220
Medium
Our mid-size reel, with a rotary joint for active deployment.
PCR-1820
Large
Our largest reel, with a rotary joint for active deployment.
Compare 20 Series Specifications
| Specification | PCR-620 | PCR-1220 | PCR-1820 |
|---|---|---|---|
| Case dimensions | 21.20 × 17.20 × 8.39 in (538 × 437 × 213 mm) | 24.56 × 19.60 × 11.53 in (624 × 498 × 293 mm) | 24.56 × 19.60 × 14.28 in (624 × 498 × 363 mm) |
| Weight (w/o cable) | 20 lbs (9.1 kg) | 32 lbs (14.5 kg) | 34 lbs (15.4 kg) |
| Drum diameter | 6.0 in (152 mm) | 6.0 in (152 mm) | 6.0 in (152 mm) |
| Flange diameter | 14.0 in (356 mm) | 16.3 in (414 mm) | 16.3 in (414 mm) |
| Drum length | 4.9 in (122 mm) | 7.2 in (183 mm) | 9.9 in (251 mm) |
| Capacity, 1/4 in cable | 607 ft | 1,341 ft | 1,863 ft |
| Capacity, 6 mm cable | 209 m | 452 m | 627 m |
| Rotary joint options | FE, GE, FO, Custom | FE, GE, FO, Custom | FE, GE, FO, Custom |
| Lead time | 10 weeks | 10 weeks | 10 weeks |
| Max cable diameter | 0.75 in (19 mm) | 0.75 in (19 mm) | 0.75 in (19 mm) |
20 Series Features
- Highly Portable; One Hand Lift for Rapid Deployment
- Rotary Joint Options: 100 Mbps Ethernet, 1 Gbps Ethernet, or Single Mode Fiber Optic
- RJ45 (Ethernet) or ST (Fiber Optic) Connectors
- Variable Friction Brake Controls Drum Rotation
- Slide Down Feet with Captive Hardware Deploy in Seconds
- Slide-Out Handle and Travel Wheels for Easy Transport (PCR-1220, PCR-1820)
- Hose-Down Rinse Inside and Out
- Double Ended Axle Support Resists Shock Loads
- Interior Storage for "Deck Cables" and other items
- Tool-less Drum Removal, Optional (PCR-1220, PCR-1820)
- Can be supplied with customer-selected cable
Request a Custom Reel
Need power conductors, RF, serial data, mixed conductors or a specific connector? Tell us about your cable and we'll configure the rotary joint for it.
Coming from the Size Calculator? Your reel model, cable diameter and length are filled in for you.

