UR4-12Series
Metal-clad Withdrawable Switchgear.UR4-12Series Metal-clad Withdrawable Switchgear adopts Eaton technology. It is a distribution equipm...
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Metal-clad Withdrawable Switchgear.
UR4-12SeriesMetal-clad Withdrawable Switchgear adopts Eaton technology. It is adistribution equipment designed for 7.2~17.5kV 3-phase AC 50HZ/60HZ singlebusbar section system. It is mainly used in power plants, urban electricitysupply, industrial system and commercial buildings to accept and distributeelectric power and control, protect and test the circuit.
Features
1. Compartments in theswitchgear cabinet are separated and independent to each other.
2. Comply with IEC62271-200:2003,GB3906 and DL404. Passed the test report of ASTA and Xi 'an nationalhigh-voltage electrical equipment quality supervision and test center,
3. 3 Reliable fiveprevention interlock can prevent maloperation and entering into live compartments.
4. All operationsincluding closing and tripping of VCB, driving and withdrawing of handcart andoperation of earthing switch can and should be done while the door is closed.
5. Front or rearmaintenance are optional for customer’s convenience.
| Type | Unit | UR4 | |
| Circuit Breaker Cubicle | Contactor Cubicle | ||
| Rated operation voltage | KV | 6 10 | 6 10 |
| Highest operation voltage | KV | 7.2 7.2 | 7.2 7.2 |
| 1 min power frequency withstand voltage | KV | 32 42 | 32 42 |
| Lightning impulse withstand voltage(Peak) | KV | 60 75 | 60 75 |
| Rated frequency | Hz | 50 | |
| 4s short-time withstand current(Effective) | KA | 25 31.5 40 50 | 4 |
| 50 63 75(Generator Outlet Circuit Breaker) | |||
| Rated peak withstand current(Peak) | KA | 63 80 100 125 | 10 |
| 137 173 206(Generator Outlet Circuit Breaker) | |||
| Rated current for main bus | A | 630-4000 | |
| Rated current for branch bus | A | 630-4000 | |
| Width | mm | 620 800 1000 | |
| Depth | mm | 1500 | |
| Height | mm | 2200 | |
| IP rating | Enclosure IP4X(Maximum IP42) IP2X when CB compartment's door is open | ||
| Weight | Kg | 800-1200(including Turck) | |