Single-Phase Oil-Immersed CSP Circuit Breaker --- Reliable protection and smart control for modern distribution systems.
Single-phase CSP oil-immersed circuit breakers are primarily used in single-phase distribution transformers,such as pole-mounted, pedestal-mounted or pad-mounted transformers .This product is widely used in rural power distribution networks, distributed energy systems, and transformer protection, ensuring safe, reliable, and efficient operation of distribution systems
| Parameter | Description |
| Capacity | 5-100KVA |
| Rated Current | 21 -433 Amps |
| Poles | 2 Poles |
| Operation Mode | Automatic / Manual / Motorized |
| Installation Type | Pole-mounted/pedestal-mounted or pad-mounted |
| Insulation Medium | Mineral oil / Eco insulating oil |
| Standards | ANSI / IEEE/ IEC / PLN |
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420 Single Phase 1F Circuit Breaker [57.4mm]- Model: 2P420T120
- Rated Current: 420A
- For Transformer: 100KVA/200KVA
- Rated Voltage: 240V/480V
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313 Single Phase 1F Circuit Breaker [57.4mm]- Model: 2P313T110
- Rated Current: 313A
- For Transformer: 75KVA/150KVA
- Rated Voltage: 240V/480V
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210 Single Phase 1F Circuit Breaker [57.4mm]- Model: 2P210T110
- Rated Current: 210A
- For Transformer: 50KVA/100KVA
- Rated Voltage: 240V/480V
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157 Single Phase 1F Circuit Breaker [57.4mm]- Model: 2P157T110
- Rated Current: 157A
- For Transformer: 37.5KVA/75KVA
- Rated Voltage: 240V/480V
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105 Single Phase 1F Circuit Breaker [57.4mm]- Model: 2P105T110
- Rated Current: 105A
- For Transformer: 25KVA/50KVA
- Rated Voltage: 240V/480V
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63 Single Phase 1F Circuit Breaker [57.4mm]- Model: 2P63T110
- Rated Current: 63A
- For Transformer: 15KVA
- Rated Voltage: 240V
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42 Single Phase 1F Circuit Breaker [57.4mm]- Model: 2P42T110
- Rated Current: 42A
- For Transformer: 10KVA
- Rated Voltage: 240V
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21 Single Phase 1F Circuit Breaker [57.4mm]- Model: 2P21T110
- Rated Current: 21A
- For Transformer: 5KVA/10KVA
- Rated Voltage: 240V/480V
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Main Features and Advantages
- High reliability – stable oil insulation suitable for humid or high-temperature environments
- Automatic protection – built-in CSP unit for reclosing and fault isolation
- Low maintenance – compact design with long operational lifespan
- Smart compatibility – optional remote monitoring and communication modules
- Cost-effective – reduces maintenance cost and enhances power supply efficiency
Typical Applications
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Rural power distribution networks |
Distributed photovoltaic or wind power integration |
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Transformer protection and control systems |
Industrial parks and commercial power systems |
Regional and Industry SEO Extension
Our single-phase CSP oil-immersed circuit breakers are widely used in Southeast Asia, Latin America, the United States and Canada, especially in rural electrification and renewable energy projects. Certified to IEC ,ANSI and IEEE standards, the products can be customized to meet local grid requirements.
SEO Summary Section
With its high reliability, automatic reclosing capability, and superior insulation performance, the single-phase CSP oil-immersed circuit breaker is an essential component of modern distribution systems. It provides safe, stable, and intelligent power protection for rural grids, distributed energy integration, and transformer applications.
