Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
ZW20-12 Outdoor Vacuum Circuit Breaker: 12kV VCB recloser 1250A, pole mounted, auto reclosing, SF6 sealed, distribution automation, 20kA breaking, 10000 cycles, substation/urban network, frequent operation, -40°C to +40°C.
Advanced ZW20-12 Outdoor VCB Recloser Series: Premium outdoor pole mounted high voltage vacuum circuit breaker designed for outdoor high-voltage switchgear rated voltage 12kV, three-phase AC 50Hz, mainly used for opening/closing power system load current, overload current and short-circuit current, suitable for substations, industrial/mining enterprises, urban distribution network protection and control, especially suitable for frequent operation places and distribution network automation, delivering 630-1250A rated current, 12.5-20kA short-circuit breaking, 31.5-50kA short-circuit making (peak), 10000 mechanical life cycles, 30 rated short-circuit breaking times, with controller meeting distribution automation system requirements, reliably completing traditional recloser function, mature sealed structure internal filled with SF6 gas.
Auto Reclosing and Distribution Automation Ready: ZW20-12 incorporates mature sealed structure with SF6 gas providing good sealing performance unaffected by external environment, free maintenance product, spring operating mechanism with straight moving main transmission chain and multistage release system ensuring high reliability, rated operating sequence O-0.3s-CO-180s-CO enabling automatic reclosing function, compatible with distribution automation controller, providing reliable vacuum circuit breaking solution for substations, urban distribution networks, industrial/mining enterprises, frequent operation applications, distribution automation systems.
| ZW20-12 Outdoor Vacuum Circuit Breaker Specifications | ZW20-12 (12.5kA) | ZW20-12 (16kA) | ZW20-12 (20kA) | Unit |
| Brand | Bepto Insulation Systems | – | ||
| Model Number | ZW20-12 (ZW20A-12) | – | ||
| Product Type | Outdoor Pole Mounted High Voltage Vacuum Circuit Breaker (VCB Recloser) with Auto Reclosing and SF6 for Distribution Automation | – | ||
| Core Technology | Mature Sealed Structure + SF6 Gas Internal Filling + Spring Operating Mechanism + Straight Moving Main Transmission Chain + Multistage Release System + Auto Reclosing Function + Distribution Automation Controller Compatible + Free Maintenance | – | ||
| Rated Voltage | 12 | kV | ||
| Rated Power Frequency | 50/60 | Hz | ||
| Rated Current | 630, 1250 | A | ||
| Rated Short-Circuit Breaking Current | 12.5 | 16 | 20 | kA |
| Rated Short-Circuit Making Current (Peak) | 31.5 | 40 | 50 | kA |
| Rated Withstand Current (Peak) | 31.5 | 40 | 50 | kA |
| Rated Short-Time Withstand Current (4s) | 12.5 | 16 | 20 | kA |
| Rated Short-Circuit Duration | 4 | s | ||
| 1 Min Power Frequency Withstand Voltage | 42 | kV | ||
| 1 Min Power Frequency Withstand Voltage – Wet (Phase to Earth, Outer Insulation) | 34 | kV | ||
| Lightning Impulse Withstand Voltage (Peak) | 75 | kV | ||
| Rated Operation Sequence | O-0.3s-CO-180s-CO | – | ||
| Rated Short-Circuit Breaking Times | 30 | times | ||
| Mechanical Life | 10000 | cycles | ||
| Rated Operating Voltage and Rated Voltage of Auxiliary Loop | 220 | V | ||
| Rated Current of Over-Current Tripper | 5 | A | ||
| SF6 Gas Sealed Structure | Yes (Mature Sealed Structure, Internal Filled with SF6 Gas) | – | ||
| Good Sealing Performance | Yes (Not Affected by External Environment) | – | ||
| Free Maintenance | Yes (Free Maintenance Product) | – | ||
| Spring Operating Mechanism | Yes (With Straight Moving Main Transmission Chain and Multistage Release System) | – | ||
| High Reliability | Yes (Reliability is High for Circuit Breaker Pole) | – | ||
| Auto Reclosing Function | Yes (O-0.3s-CO-180s-CO Rated Operating Sequence) | – | ||
| Distribution Automation Compatible | Yes (With Controller Can Meet Distribution Automation System Requirements) | – | ||
| Traditional Recloser Function | Yes (Can Reliably and Effectively Complete Traditional Recloser Function) | – | ||
| Outdoor Pole Mounted | Yes (Outdoor Pole Mounted High Voltage Vacuum Circuit Breaker) | – | ||
| Opening/Closing Functions | Yes (Load Current, Overload Current, Short-Circuit Current) | – | ||
| Key Advantages | Outdoor Pole Mounted, VCB Recloser, Auto Reclosing, SF6 Sealed, Distribution Automation, Free Maintenance, 10000 Cycles, High Reliability, Multistage Release, Straight Moving Chain, 20kA Breaking | – | ||
| Primary Applications | Substations, Industrial and Mining Enterprises, Urban Distribution Network Protection and Control, Frequent Operation Places, Distribution Network Automation, Power System Load/Overload/Short-Circuit Current Opening/Closing | – | ||
Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.
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Bepto focuses on the global market and provides our clients with products suitable for the local market:
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
