The CNC 2P DC MCB Circuit Breaker YCB8-125DC is a high-performance protection device designed for DC power systems such as solar and battery installations. It provides two-pole protection, disconnecting both positive and negative lines during overload or short-circuit conditions to ensure safe operation. With a high current capacity of up to 125A and reliable thermal-magnetic tripping, it offers fast and stable circuit protection. Its compact DIN rail design allows easy installation in electrical panels, making it ideal for photovoltaic, battery, and DC distribution systems.
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Ac/dc Breakers, Solar Accessories
CNC 2P DC MCB Circuit Breaker YCB8-125DC
CNC 2P DC MCB Breaker Features
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2-Pole DC Protection – Protects both positive and negative DC lines.
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Overload Protection – Automatically trips when current exceeds safe limits.
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Short-Circuit Protection – Quickly disconnects the circuit during faults.
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High Current Capacity (Up to 125A) – Suitable for heavy DC loads and solar systems.
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High Breaking Capacity (6kA) – Safely interrupts high fault currents.
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Thermal-Magnetic Trip Mechanism – Provides accurate and reliable protection.
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DIN Rail Installation – Easy mounting in electrical panels and combiner boxes.
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Ideal for Solar PV Systems – Designed for photovoltaic, battery, and DC distribution systems
₨ 2,450 ₨ 2,900
CNC 2P DC MCB Circuit Breaker YCB8-125DC
| Specification | Details |
| Standard | IEC/EN 60947-2 |
| Rated Current In (A) | 125 |
| Number of Poles | 2Pole |
| Rated Working Voltage UE (V DC) | 500 |
| Rated Impulse Voltage UMP (kV) | 6 |
| Operation Breaking Capacity ICS (kA) | PV: 6, PV n: 10 |
| Ultimate Breaking Capacity ICU (kA) | li = 10ln (default) |
| Tripping Type | Thermomagnetic |
| Mechanical Life (times) | 20,000 |
| Electrical Life (times) | PV: 1000, PV n: 300 |
| Polarity | Heteroploidy |
| Inline Methods | Can be up and down the line |
| Storage Temperature (°C) | -35 ~ +70 |
| Working Temperature (°C) | -40 ~ +85 |
| Altitude (m) | Use with derating above 2000m |
| Protection Degree | IP20 |
| Pollution Degree | Level 3 |
| Installation Environment | Places without significant vibration/impact |
| Installation Category | Category III |
| Installation Method | DIN35 standard rail |
| Wiring Capacity | 2.5–50 mm² |
| Terminal Torque | 3.5 NM |
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