Split-Type Circuit Breaker Solid-Insulated RMU Core unit SF6 Free 12kv
The three-phase split-type design complies with the State Grid standards, featuring a resistance of ≤120 μΩ and a mechanical endurance of ≥10,000 operations.
The circuit breaker can be operated electrically according to user needs, which can truly realize the automation of distribution network;
Category: Switchgear & High Voltage Products
Brand: JGGY Electric
Model: JG71V-12/630/3
Power:12KV/630A
FOB Port: Ningbo/Shanghai
Terms of Pyament: Western Union,T/T,Paypal
| Item | Unit | Circuit Breaker Unit | Load Switch Unit | Switch-fuse Combinations Unit | ||
| 1 | Rated Voltage | kV | 12 | 12 | 12 | |
| 2 | Rated Frequency | Hz | 50 | 50 | 50 | |
| 3 | Rated Current | A | 630/1250 | 630/1250 | Dependent on Fuse Current Rating | |
| 4 | Rated Insulation Level | Power Frequency Withstand Voltage(Phase-to-Phase/Phase-to-Ground) | kV | 42 | 42 | 42 |
| 5 | Power Frequency Withstand Voltage(Vacuum Interrupter/ lsolation Gap) | 48 | 48 | 48 | ||
| 6 | Power Frequency Withstand Voltage(Control and Auxliary Circuits) | 2 | 2 | 2 | ||
| 7 | Lightning Impulse Withstand Voltage(Phase-to-Phase/Phase-to-Ground) | 75 | 75 | 75 | ||
| 8 | Lightning Impulse Withstand Valtage(Vacuum lnterrupter / lsolation Gap) | 85 | 85 | 85 | ||
| 9 | Rated Short-Time Withstand Current | kA | 20(25)/4S | 20(25)/4S | —— | |
| 10 | Rated Peak Withstand Current | kA | 50（63） | 50（63） | —— | |
| 11 | Rated Short-Circuit Making Current | kA | 50（63） | 50（63） | Limited by High-Voltage Fuse | |
| 12 | Rated Short-Circuit Breaking Curent | kA | 20(25) | 20(25) | Limited by High-Voltage Fuse | |
| 13 | Rated Transfer Current | A | —— | —— | 1700 | |
| 14 | Rated Active Load Breaking Cument | A | —— | —— | —— | |
| 15 | Rated Closed-Loop Breaking Current | A | 630 | 630 | —— | |
| 16 | Internal Arc Fault Test (AFLR Class) | kA/S | 20(25)/0.5S | 20(25)/0.5S | —— | |
| 17 | Partial Discharge (at 1.2Ur) | PC | ≤10 | ≤10 | —— | |
| 18 | Ingress Protection (IP) Rating (Cabinet) | IP4X | IP4X | IP4X | ||
| 19 | Main Circuit Resistance | μΩ | ≤120 | ≤120 | —— | |
| 20 | Mechanical Endurance | Circuit Breaker / Load Switch | Times | 10000 | 10000 | 10000 |
| 21 | Disconnector/Grounding Switch | 3000 | 3000 | 3000 | ||
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