2-Pole DC Protection – Protects positive and negative lines in DC circuits.
Overload Protection – Automatically trips when current exceeds safe limits.
Short-Circuit Protection – Quickly disconnects power during faults.
High Voltage Rating (Up to 500V DC) – Suitable for solar and DC power systems.
6kA Breaking Capacity – Safely interrupts high fault current.
Compact Modular Design – Saves space and simplifies panel installation.
Wide Current Range – Available from 1A to 63A for different system loads.
₨ 1,500 ₨ 1,850
The CNC 2P DC MCB Circuit Breaker YCB8‑63PV is a reliable protection device designed for DC electrical circuits, especially in solar and battery systems. It provides dual-pole protection, disconnecting both positive and negative lines during overload or short-circuit conditions to ensure maximum safety. With a 500V DC voltage rating and up to 63A current capacity, it safely handles heavy DC loads. Its compact DIN rail design allows easy installation in distribution boards and combiner boxes, making it ideal for photovoltaic, industrial, and DC power applications.
| Specification | Details |
| Standards | IEC/EN 60947-2 |
| Number of Poles | 2 Pole |
| Rated Current In (A) | 20A, 32A, 40A, 63A |
| Rated Working Voltage (V DC) | 500V |
| Rated Insulation Voltage Ui (V DC) | 1200 |
| Rated Impulse Voltage Ump (kV) | 4 |
| Ultimate Breaking Capacity Iku (KA, T=4ms) | PV: 6 |
| Operation Breaking Capacity Is (KA) | Is = 100% |
| Tripping Type | Type B, Type C, Type K, Thermomagnetic |
| Curve Type | B, C, K |
| Mechanical Life | 20,000 times |
| Electrical Life | PV: 1500, PV n: 300 |
| Polarity | Heteroploidy |
| Alarm Contact | Available (□) |
| Auxiliary Contact | Available (□) |
| Shunt Release | Available (□) |
| Inline Methods | Can be up and down into the line |
| Working Temperature (℃) | -35 ~ +70 (with storage -40 ~ +85) |
| Storage Temperature (℃) | -40 ~ +85 |
| Altitude (m) | Use with derating above 2000m |
| Protection Degree | IP20 |
| Installation Category | Category II, Category III |
| Pollution Degree | Level 3 |
| Moisture Resistance | Yes |
| Installation Environment | Places without significant vibration/impact |
| Installation Method | DIN35 standard rail |
| Wiring Capacity | 2.5-25mm² |
| Terminal Torque | 3.5 Nm |
2-Pole DC Circuit Breaker – Designed for direct current (DC) circuits.
High DC Voltage Rating: Supports up to 1000 V DC, ideal for solar and battery systems.
Overload & Short-Circuit Protection: Automatically trips to protect DC circuits from faults.
Multiple Current Ratings: Available in ratings from 6 A up to 63 A for different load needs.
DIN Rail Mounting: Easy installation in standard DC distribution boxes.
Compact Modular Design: Space-efficient and suitable for solar PV combiner boxes and enclosures.
Reliable DC Arc Protection: Built to handle DC arcs and provide safer breaking performance compared to AC breakers in DC systems.
WiFi Smart Control — Remotely turn ON/OFF the circuit from your smartphone using the Smart Life / Tuya app.
Energy Monitoring (kWh) — Tracks real-time energy usage, including voltage, current, power, and total kWh.
Scheduling & Timer Functions — Set schedules, countdowns, and loop timers for automated circuit control.
Over/Under Voltage Protection — Protects connected equipment by tripping when voltage goes too high or too low.
Over-Current & Over-Power Protection — Trips the breaker if current or power exceeds safe limits.
Real-Time Metering — Displays voltage (V), current (A), and active power (W) in the app.
Voice Assistant Compatible — Works with Amazon Alexa & Google Assistant for hands-free control.
Relay Last Status Memory — Remembers the last ON/OFF state after a power outage.
Durable Design — Built with flame-retardant materials and supports DIN-rail installation.
Wide Operating Range — Works with AC 90–300 V and supports 2.4 GHz Wi-Fi (not 5 GHz
Smart WiFi Control – Remotely turn the breaker ON/OFF from anywhere using the Smart Life / Tuya app on your phone.
Energy Monitoring (kWh) – Measures and reports real-time energy usage, including voltage, current, and power, so you can track consumption and manage bills.
Scheduling & Timer Functions – Create timers, schedules, and loop timers for automatic circuit control.
Built-In Protection – Offers over-voltage, under-voltage, and over-current protection settings to safeguard connected devices.
Wide Operating Range – Works with AC 90–300 V (50/60 Hz) supply and supports 63 A load capacity (adjustable).
Last State Memory – Remembers the previous ON/OFF status after a power outage.
Durable & Reliable – Designed for over 100,000 mechanical operations and –25 °C to +70 °C operating temperature.
Real-Time Voltage & Current Metering – Displays voltage, current, and power values in the app.
Voice Assistant Ready – Works with Google Assistant & Alexa via the Tuya/Smart Life platform (depending on app setup).
2-Pole DC Circuit Breaker – Breaks both positive and negative lines in DC power systems for safer protection.
High DC Voltage Rating – Rated for up to 600 V DC (commonly used in solar PV and battery systems).
High Current Capacity – Available in up to 125 A rating for larger DC loads.
Overload & Short-Circuit Protection – Trips the circuit to prevent damage from excessive current or faults.
Modular DIN Rail Mounting – Easy installation on standard 35 mm DIN rails in DC combiner boxes and panels.
Compact & Durable Design – Built with strong materials for long service life in residential, commercial, and solar DC applications.
C-Type Trip Characteristic – Typical for general DC protection with reliable tripping behavior.
Suitable for Solar PV & Battery Systems – Ideal for protecting DC circuits between solar strings, inverters, and battery banks.
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