Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
ZW32-12 Outdoor Vacuum Circuit Breaker: 12kV MV VCB 4000A smart recloser, controller with fault isolation, distribution automation, 40kA breaking, multiple auto reclosing, three-stage protection, electronic PT, -40°C to +40°C.
Advanced ZW32-12 Outdoor MV VCB Smart Recloser Series: Premium outdoor high voltage vacuum circuit breaker designed for AC 50Hz rated voltage 12kV three-phase power system, used for closing/breaking load current, overcurrent and short-circuit current, delivering 630-4000A rated current, 25-40kA short-circuit breaking, 63-100kA short-circuit making (peak), equipped with reclosing controller identifying break current characteristics achieving multiple automatic reclosing or fault isolation, self-provided electronic PT as power source becoming smart circuit breaker with signal output of voltage and current, completes three-stage composite protection of overcurrent delay, inrush current delay, short-circuit quick-break, spring operating mechanism, combined with isolating switch forming distinct fracture.
Smart Recloser and Distribution Automation Ready: ZW32-12 incorporates reclosing controller suitable for radiation-type power supply and ring network power supply system helping eliminate transient faults, automatically restore power supply, isolate faults achieving distribution network automation, equipped with lightning arrester, inrush current controller with escaping flow and over-current breaking function, 2-3 measuring transformers, silicone rubber insulating sheath with rain/snow/sand/anti-pollution/corrosion characteristics preventing freezing and oxidation, providing reliable smart vacuum circuit breaking solution for distribution automation, radiation/ring network systems, transient fault elimination, automatic power restoration.
| ZW32-12 Outdoor Vacuum Circuit Breaker Specifications | ZW32-12 (25kA) | ZW32-12 (31.5kA) | ZW32-12 (40kA) | Unit |
| Brand | Bepto Insulation Systems | – | ||
| Model Number | ZW32-12 (ZW8-12) | – | ||
| Product Type | Outdoor High Voltage Vacuum Circuit Breaker (MV VCB Smart Recloser) with Controller for Fault Isolation and Distribution Automation | – | ||
| Core Technology | Reclosing Controller + Break Current Characteristics Identification + Multiple Automatic Reclosing + Fault Isolation + Electronic PT Power Source + Signal Output (Voltage/Current) + Three-Stage Composite Protection (Overcurrent Delay + Inrush Current Delay + Short-Circuit Quick-Break) + Spring Operating Mechanism + Combined with Isolating Switch | – | ||
| Rated Voltage | 12 | kV | ||
| Rated Frequency | 50 | Hz | ||
| Rated Current | 630-4000 | A | ||
| Rated Busbar Current | 630-4000 | A | ||
| Rated Short-Circuit Breaking Current | 25 | 31.5 | 40 | kA |
| Rated Short-Circuit Making Current (Peak) | 63 | 80 | 100 | kA |
| Rated Peak Withstand Current | 63 | 80 | 100 | kA |
| Rated Short-Time Withstand Current | 25 | 31.5 | 40 | kA |
| Duration of Short Circuit | 4 | s | ||
| Power Frequency Withstand Voltage (1 min) – Phase to Phase/Earth | 42 | kV | ||
| Power Frequency Withstand Voltage (1 min) – Across Isolating Distance | 48 | kV | ||
| Lightning Impulse Withstand Voltage – Phase to Phase/Earth | 75 | kV | ||
| Lightning Impulse Withstand Voltage – Across Isolating Distance | 85 | kV | ||
| Protection Degree – Enclosure | IP4X | – | ||
| Protection Degree – Partition Between Compartments | IP2X | – | ||
| Reclosing Controller | Yes (Identifies Break Current Characteristics, Achieves Multiple Automatic Reclosing or Fault Isolation) | – | ||
| Electronic PT Power Source | Yes (Self-Provided Electronic PT as Power Source, Becomes Smart Circuit Breaker) | – | ||
| Signal Output | Yes (Signal Output of Voltage and Current) | – | ||
| Three-Stage Composite Protection | Yes (Overcurrent Delay + Inrush Current Delay + Short-Circuit Quick-Break) | – | ||
| Spring Operating Mechanism | Yes (Breaking and Closing Load Current, Overload Current, Short-Circuit Current) | – | ||
| Combined Circuit Breaker | Yes (Circuit Breaker + Isolating Switch with Distinct Fracture) | – | ||
| Silicone Rubber Insulating Sheath | Yes (Rain, Snow, Sand, Anti-Pollution, Corrosion Characteristics, Prevents Freezing and Oxidation) | – | ||
| Lightning Arrester | Yes (Can Be Equipped, Installed on Any Side of Incoming/Outgoing Lines) | – | ||
| Inrush Current Controller | Yes (Escaping Flow and Over-Current Breaking Function) | – | ||
| Measuring Transformers | Yes (2-3 Measuring or Measuring Transformers) | – | ||
| Smart Circuit Breaker | Yes (Suitable for Radiation-Type Power Supply and Ring Network Power Supply System) | – | ||
| Transient Fault Elimination | Yes (Helps System Eliminate Transient Faults and Automatically Restore Power Supply) | – | ||
| Fault Isolation | Yes (Isolates Faults to Achieve Distribution Network Automation) | – | ||
| Distribution Network Automation | Yes (Suitable for Distribution Network Automation) | – | ||
| Radiation-Type Power Supply | Yes (Suitable for Radiation-Type Power Supply System) | – | ||
| Ring Network Power Supply | Yes (Suitable for Ring Network Power Supply System) | – | ||
| Key Advantages | Smart Recloser, Controller, Fault Isolation, Distribution Automation, Electronic PT, Three-Stage Protection, Multiple Auto Reclosing, Current Characteristics Identification, Combined Circuit Breaker, Silicone Rubber Sheath, Lightning Arrester, Inrush Current Controller, 40kA Breaking | – | ||
| Primary Applications | 12kV Three-Phase AC 50Hz Power System, Closing/Breaking Load Current, Overcurrent, Short-Circuit Current, Radiation-Type Power Supply, Ring Network Power Supply, Distribution Network Automation, Transient Fault Elimination, Automatic Power Restoration, Fault Isolation | – | ||
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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Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
