CNC 1P DC MCB Circuit Breaker YCB1-125DC
CNC 1P DC MCB Breaker Features
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Single-Pole DC Protection – Designed to protect single-pole DC circuits.
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Overload Protection – Trips automatically when current exceeds safe limits.
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Short-Circuit Protection – Quickly disconnects power during faults.
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High Voltage Rating (500V DC) – Suitable for high-voltage DC systems like solar setups.
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High Current Capacity (Up to 125A) – Supports heavy DC loads and battery systems.
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6kA Breaking Capacity – Safely interrupts high fault currents.
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DIN Rail Mounting – Easy installation in electrical panels.
₨ 1,250 ₨ 1,500
CNC 1P DC MCB Circuit Breaker YCB1-125DC
The CNC DC 1P MCB 500V 125A YCB1 is a high-performance circuit breaker designed for DC power systems such as solar and battery installations. It provides reliable overload and short-circuit protection, automatically disconnecting the circuit to prevent damage to equipment and wiring. With a 500V DC voltage rating and 125A current capacity, it is suitable for heavy-duty DC applications. Its compact DIN rail design allows easy installation in electrical panels, making it ideal for solar photovoltaic and DC distribution systems.
| Specification | Details |
| Standard | IEC/EN 60947-2 |
| Rated Current In (A) | 125 |
| Number of Poles | 1Pole |
| Rated Working Voltage Ue (V DC) | 500 |
| Rated Impulse Voltage Uimp (kV) | 6 |
| Operation Breaking Capacity Ics (kA) | Pv: 6, PVn: 10 |
| Ultimate Breaking Capacity Icu (kA) | li = 10ln (default) |
| Tripping Type | Thermomagnetic |
| Mechanical Life (times) | 20,000 |
| Electrical Life (times) | PV: 1000, PVn: 300 |
| Polarity | Heteropolarity |
| 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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