We have over 25 years of experience in manufacturing Contact Rings used to transfer electricity from a fixed structure to a rotating system in rotating and moving systems. Our rings, manufactured in custom molds using the fiberglass press technique, deliver excellent performance at high speeds.
Custom-sized production capacity is available beyond the standard product list.
| Amps | Number of Contacts | Inner Diameter | Ring Diameter | Product Code |
|---|---|---|---|---|
| 40 A | 2, 3, 4 | 14–18 mm | 43 mm | UM-4310-2 / -3 / -4 |
| 40 A | 2, 4 | 16–20 mm | 50 mm | UM-5010-2 / -4 |
| 40 A | 2, 3, 4 | 20–28 mm | 57 mm | UM-5710-2 / -3 / -4 |
| 60 A | 2, 3, 4, 5, 6 | 27–36 mm | 70 mm | UM-7012-2 / -3 / -4 / -5 / -6 |
| 60 A | 2, 3, 4 | 27–40 mm | 75 mm | UM-7512-2 / -3 / -4 |
| 75–120 A | 2, 3, 4, 5, 6 | 29–45 mm | 85 mm | UM-8512-2 / -3 / -4 / -5 / -6 |
| 120–150 A | 2, 3, 4, 5, 6 | 37–60 mm | 105 mm | UM-10513-2 / -3 / -4 / -5 / -6 |
| 160–200 A | 2, 3, 4, 5, 6 | 44–70 mm | 120 mm | UM-12014-2 / -3 / -4 / -5 / -6 |
| 160–210 A | 2, 3, 4, 5, 6 | 45–80 mm | 135 mm | UM-13515-2 / -3 / -4 / -5 / -6 |
| 250–300 A | 2, 3, 4, 5 | 56–90 mm | 150 mm | UM-15020-2 / -3 / -4 / -5 |
| 350 A | 2, 3, 4, 5 | 62–105 mm | 180 mm | UM-18020-2 / -3 / -4 / -5 |
| 400 A | 2, 3, 4, 5, 6 | 58–100 mm | 200 mm | UM-20025-2 / -3 / -4 / -5 / -6 |
| 600 A | 3, 4 | 300–330 mm | 420 mm | UM-42030-3 / -4 |
| 30 A | 3, 4, 5, 6 | 22–30 mm | 66 mm | UM-6610-3 / -4 / -5 / -6 |
| 80 A | 3 | 38–60 mm | 114 mm | UM-11414-3 |
| 160 A | 18 | 60–80 mm | — | UM-13012-18 |
| 200 A | 3 | 295 mm | 380 mm | UM-38013-3 |
| 200 A | 12 | 275–300 mm | 385 mm | UM-38513-12 |
| 300 A | 12 | 205 mm | — | UM-20518-12 |
| 150 A | 5 | 100–120 mm | 208 mm | UM-20812-5 |
