East Union Energy (Shenzhen) Technology Co., Ltd.
| Rated Short-Time Withstand Current (4s) | 20kA |
| Power Frequency Withstand Voltage (1min) | 42kV |
| Rated Peak Withstand Current | 50kA |
| Max./Min. Closing/Opening/Motor Operating Voltage | AC/DC220/24V |
| Packaging Details | Different packaging methods are adopted according to different modes of transportation |
| Lightning Impulse Withstand Voltage | 75kV |
| Rated Voltage | 12kV |
| Mechanical Life | 10000 operations |
| Resistance of Each Conductive Circuit | 130μΩ |
| Rated Short-Circuit Breaking Current | 20kA |
| Rated Power of Energy-Storage Motor | ≤40W |
| Rated Frequency | 50Hz |
| Rated Current | 630A |
| Payment Terms | L/C,T/T,DDP,DDU |
| Product Name | Primary And Secondary Integrated Pole-Mounted Circuit Breaker |
| Brand Name | EUE Power |
| Place of Origin | China |
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Product Specification
| Rated Short-Time Withstand Current (4s) | 20kA | Power Frequency Withstand Voltage (1min) | 42kV |
| Rated Peak Withstand Current | 50kA | Max./Min. Closing/Opening/Motor Operating Voltage | AC/DC220/24V |
| Packaging Details | Different packaging methods are adopted according to different modes of transportation | Lightning Impulse Withstand Voltage | 75kV |
| Rated Voltage | 12kV | Mechanical Life | 10000 operations |
| Resistance of Each Conductive Circuit | 130μΩ | Rated Short-Circuit Breaking Current | 20kA |
| Rated Power of Energy-Storage Motor | ≤40W | Rated Frequency | 50Hz |
| Rated Current | 630A | Payment Terms | L/C,T/T,DDP,DDU |
| Product Name | Primary And Secondary Integrated Pole-Mounted Circuit Breaker | Brand Name | EUE Power |
| Place of Origin | China | ||
| High Light | CKWB-12 Circuit Breaker ，Circuit Breaker Pole Mounted ，Pole Mounted Circuit Breaker | ||
The CKWB-12 is a high-performance, three-phase 12kV circuit breaker utilizing advanced vacuum arc-quenching technology and SF₆ gas insulation. Engineered for reliability, it features an optimized main circuit for minimal temperature rise and a robust spring operating mechanism.
The unit fully complies with State Grid's primary-secondary integration technical requirements, as well as China Southern Power Grid's technical specifications for 10kV automated vacuum pole-mounted circuit breaker equipment.
| Parameter | Unit | Value |
| Rated Voltage | kV | 12 |
| Rated Frequency | Hz | 50 |
| Rated Current | A | 630 |
| Rated Short‑Time Withstand Current (4s) | kA | 20 |
| Rated Peak Withstand Current | kA | 50 |
| Rated Short‑Circuit Making Current (Peak) | kA | 50 |
| Rated Short‑Circuit Breaking Current | kA | 20 |
| Number of Rated Short‑Circuit Breaking Current Interruptions | Operations | 30 |
| Mechanical Life | Operations | 10000 |
| Power Frequency Withstand Voltage (1min) | kV | 42/48 (Isolating Contact Gap) |
| Lightning Impulse Withstand Voltage | kV | 75/85 |
| Contact Gap | mm | 9±1 |
| Contact Over‑travel | mm | 3 |
| Average Opening Speed | m/s | 1.2±0.2 |
| Average Closing Speed | m/s | 0.8‑1.2 |
| Contact Closing Bounce Time | ms | ≤2 |
| 3‑Phase Opening Synchronism | ms | ≤2 |
| Resistance of Each Conductive Circuit | μΩ | 130 (≤200 with Isolator) |
| Closing Time | ms | 20~60 |
| Opening Time | ms | 18~60 |
| Rated Power of Energy‑Storage Motor | W | ≤40 |
| Phase‑to‑Phase Center Distance Inside Cabinet | mm | 135±2 |
| Phase‑to‑Phase Center Distance Outside Cabinet | mm | 280±3 |
| Max./Min. Closing Operating Voltage | V | AC/DC220/24 |
| Max./Min. Opening Operating Voltage | V | AC/DC220/24 |
| Max./Min. Motor Operating Voltage | V | AC/DC220/24 |
| Weight | kg | 180 |
| Standard SF6 | - | GB/T1984 |
| Gas Gauge Pressure | Mpa | "0" |
EUE Power is a China-based manufacturer specializing in power distribution equipment and energy storage products for global industrial, commercial, and renewable energy applications.
With professional manufacturing capabilities and OEM/ODM support, EUE Power supplies reliable power distribution products including distribution transformers, compact substations, switchgear, UPS systems, and battery energy storage systems.
Our factory combines engineering expertise, strict quality control, and flexible production capabilities to meet different market requirements worldwide.
Whether you are looking for a reliable distribution transformer supplier, compact substation manufacturer, switchgear supplier, or energy storage equipment partner, EUE Power provides dependable products and professional support.
Partner with EUE Power for:
EUE Power — Reliable Power Equipment Manufacturer for Global Markets.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
11
Total Annual:
200000m²-200000m²
Employee Number:
15~20
Ecer Certification：
Verified Supplier
About Us East Union Energy (Shenzhen) Technology Co., Ltd., referred to as EUE Power, is a Shenzhen-based international enterprise specializing in power distribution and energy storage solutions. EUE Power integrates R&D, manufacturing, sales and international trade, supply chain services, and p... About Us East Union Energy (Shenzhen) Technology Co., Ltd., referred to as EUE Power, is a Shenzhen-based international enterprise specializing in power distribution and energy storage solutions. EUE Power integrates R&D, manufacturing, sales and international trade, supply chain services, and p...
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