CSP three-phase transformer large circuit breaker
Ketrans three-phase low-voltage large capacity circuit breakers are specially designed for use on the secondary side of CSP-type distribution transformers. They provide reliable protection against overloads and short-circuit faults from external circuits. Each unit features a visible indicator light and an easy-to-operate external handle for convenient control. In coordination with expulsion fuses, these circuit breakers ensure full and selective protection for transformer installations, enhancing system safety and operational reliability.
| Parameter | Description |
| Capacity | 225KVA, 300KVA |
| Rated Current | Up to 840 Amps |
| Poles | 3 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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2X313 Three phase 3F Circuit Breaker-Flat [35mm]- Model: T3P2X313T110
- Rated Current: 626A
- For Transformer: 225KVA
- Rated Voltage: 208V/120V
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2X313 Three Phase 3F Circuit Breaker-Curved [35mm]- Model: T3P2X313T110
- Rated Current: 626A
- For Transformer: 225KVA
- Rated Voltage: 208V/120V
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2X420 Three Phase 3F Circuit Breaker-Curved [35mm]- Model: T3P2X420T110
- Rated Current: 840A
- For Transformer: 300KVA
- Rated Voltage: 208V/120V
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2X420 Three Phase 3F Circuit Breaker-Flat [35mm]- Model: T3P2X420T110
- Rated Current: 840A
- For Transformer: 300KVA
- Rated Voltage: 208V/120V
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Understanding CSP Single-Phase Oil-Immersed Breakers and Their Applications
CSP single-phase oil-immersed circuit breakers are essential protective devices used on the low-voltage side of CSP-type distribution transformers. They automatically disconnect the circuit in case of overload or short-circuit faults, ensuring transformer safety and system reliability.
These breakers are often coordinated with expulsion fuses to achieve selective protection, minimizing unnecessary power interruptions.
With their oil-immersed design, they provide excellent insulation, arc extinguishing performance, and long service life, making them ideal for residential, rural, and utility distribution systems.
Why Choose Ketrans CSP Oil-Immersed Breakers?
- Reliable protection for distribution transformers
- Easy maintenance and external operation lever
- Integrated indicator light for fault monitoring
- Compatible with various CSP transformer configurations
- Designed for stable performance under harsh conditions
By using Ketrans CSP single-phase oil-immersed breakers, utilities and power distribution operators can improve system safety, extend equipment lifespan, and reduce downtime caused by faults.
