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Ulusoy URING is a gas insulated ring main unit for the secondary distribution networks. It can be supplied in various different configurations applicable for most switching applications in 24/36kV radial distribution networks. With its compact, and modular type combinations Ulusoy URING provides integrated solutions for most switching applications including secondary power distribution networks, solar and wind farm industry as well as commercial buildings, residential and related construction areas.
Advanced technology design and production
Increased operator safety
Flexible services and spare parts
Reach out to us and find the ideal solution for your project!
| Rated voltage | kV | 24 | 36 |
|---|---|---|---|
| Impulse withstand voltage | kV | 125 | 170 |
| Power frequency withstand voltage | kV | 50 | 70 |
| Rated frequency | Hz | 50 | 50 |
| Loss of service continuity | LSC2A | LSC2A | |
| Partition class | PM | PM | |
| Internal Arc Classification (IAC) | AFL | AFL | |
| Internal arc resistance | kA-s | 20-1 | 16-1 |
| Internal Arc Classification (IAC) alternative | - | AFL | |
| Internal arc resistance alternative | kA-s | - | 20-1, 25-1 |
| Internal arc resistance with cable compartment | kA-s | - | 16-1 |
| Internal arc resistance with cable comp. alternative | kA-s | - | 20-1, 25-1 |
| Degree of protection in service | IP3X | IP3X | |
| Degree of protection with doors / covers open | IP2X | IP2X | |
| Protection against mechanical impacts | IK10 | ||
| Ambient air temperature range | °C | -5 + 40 | -5 + 40 |
| Rated voltage | kV | 24 | 36 |
|---|---|---|---|
| Rated normal current | A | 630 | 630 |
| Rated short-time withstand current alternative | kA-s | 21-3 | 16-1 |
| Rated short time withstand current alternative | kA-s | - | 20-1, 25-1 |
| Rated peak withstand current | kA | 52,5 | 40, 50, 62,5 |
| Rated voltage | kV | 24 | 36 |
|---|---|---|---|
| Rated normal current | A | 630 | 630 |
| Rated active load break current | A | 630 | 630 |
| Rated short-circuit making current | kA | 52,5 | 40 |
| Rated short-time withstand current | kA-s | 21-3 | 16-1 |
| Rated short-time withstand current alternative | kA-s | - | 20-1; 25-1 |
| Rated cable charging breaking current | A | 16 | 20 |
| Mechanical endurance class | M1 | M1 | |
Mechanical endurance class as earth switch |
M0 | M0 | |
Mechanical endurance class disconnector |
M0 | M0 | |
| Electrical endurance class | E3 | E3 | |
| Electrical endurance class as earth switch | - | E2 |
| Rated voltage | kV | 24 | 36 |
|---|---|---|---|
| Rated normal current | A | 630 | 630 |
| Rated breaking current | kA | 21 | 16, 20, 25 |
| Rated short-circuit making current | kA | 52,5 | 40, 50, 62.5 |
| Rated capacivate switching current content | C2 | C2 | |
| Rated cable charging breaking current | A | 31,5 | 50 |
| DC time constant | msec | 45 | 45 |
| DC component | % | 40 | 40 |
| Mechanical endurance class | M1 | M1 | |
| Mechanical endurance class as earth switch | M0 | M0 | |
| Mechanical endurance class disconnector | M0 | M0 | |
| Electrical endurance class | E1 | E1 | |
| Rated short-time withstand current | kA-s | 21-3 | 16-1 |
| Rated short-time withstand current alternative | kA-s | - | 20-1, 25-1 |
| Minimum tripping time | msec | 45 | 45 |
| Mechanism type | O - 300 msec - CO - 3 min - CO | ||
| Rated voltage | kV | 24 | 36 |
|---|---|---|---|
Rated normal current (test performed with dummy fuse) |
A | 200 | 200 |
Eaton complies with
