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 |
10-in-1 Smart Protection & Monitoring – Monitors voltage, current, leakage current, total kWh (energy) and protects your circuit.
WiFi Connectivity & App Control – Connects to your home Wi-Fi (2.4 GHz) and lets you remote ON/OFF control, monitor and adjust settings from the Smart Life / TUYA app on iOS/Android.
Adjustable Protection Settings – Set thresholds for over-voltage, under-voltage, over-current, and leakage current via the app or manually.
Voltage & Current Monitoring – Real-time display and tracking of line voltage and current in the app.
Leakage Current Protection – Detects leakage and cuts power to enhance electrical safety.
Energy Consumption Tracking – Shows total kWh usage so you can monitor and manage power consumption.
Scheduled Control & Timer – Create schedules to automate ON/OFF times for your circuits via the app.
Automatic Reconnection with Delay – After a fault trip, it can reconnect automatically with an adjustable delay (1 s to 500 s).
Calibration Feature – Allows calibration for voltage, current, and kW readings for better accuracy.
Voice Assistant Compatible – Works with Google Assistant / Alexa for hands-free control (where supported).
DIN-Rail Mountable – Standard design for installation in electrical panels.
4‑Pole AC Miniature Circuit Breaker – Provides protection for all three phases plus neutral (3P + N) in AC systems.
C‑Type Trip Curve – Trips reliably on overloads and short circuits, and can handle moderate inrush currents from motors and lighting loads.
Wide Voltage Compatibility: Rated for 230/400 V AC and works with 50 Hz/60 Hz electrical networks.
Multiple Current Ratings Available – Often offered in ratings up to 63 A (and sometimes 16 A, 20 A, 25 A, 32 A, 50 A).
Overload & Short‑Circuit Protection – Automatically disconnects the circuit if current exceeds safe limits.
DIN Rail Mounting – Compact design for easy installation in distribution boards.
Durable Construction – Built with robust materials for reliable performance in residential, commercial, and industrial installations.
Adjustable Over‑Voltage Protection — Cuts power when phase voltage exceeds the set safe level to protect equipment from high‑voltage damage.
Adjustable Under‑Voltage Protection — Disconnects supply if phase voltage drops below the set threshold to avoid brown‑out damage.
Over‑Current Protection — Protects circuits from over‑current conditions with adjustable current limits.
Three‑Phase Balance & Asymmetry Protection — Detects phase imbalance (asymmetry) and trips to prevent damage to motors and other loads.
Phase Sequence Protection — Ensures correct phase order and prevents reversal faults that can damage three‑phase equipment.
Adjustable Timing Controls — Active time, reconnect delay, and power‑on delay are adjustable to fine‑tune protection response.
Manual Voltage & Current Calibration — Allows precise calibration of measurement ranges to match specific system requirements.
DIN‑Rail Mountable Design — Standard 35 mm DIN‑rail installation for easy panel mounting.
Wide Use Cases — Suitable for industrial, commercial, and residential three‑phase systems to protect motors, compressors, HVAC units, and other loads.
3P + 3P Dual Power Manual Transfer Switch (MTS) – Lets you manually switch between two three-phase AC power sources (e.g., grid and generator/backup), ensuring continuous supply when one source fails.
Integrated Circuit Breaker (MCB) Protection – Combines transfer switch functionality with overload, short-circuit, under-voltage, and phase-loss protection in one unit for safer operation.
Three-Phase Compatibility (3P + 3P) – Designed for balanced switching of all three phases between two input sources, suitable for industrial, commercial, and large-load three-phase systems.
Wide Voltage & Frequency Support – Compatible with 230 V / 400 V AC and works on both 50 Hz and 60 Hz networks.
Manual Operation – User-controlled changeover without automation, giving direct control over which source is supplying power.
Wide Current Range – Available in various current ratings (e.g., 6 A up to 63 A), allowing selection based on load requirements.
High Breaking Capacity (~6 kA) – Built to safely interrupt fault currents and protect the circuit during overloads and short-circuit events.
DIN-Rail Mountable Design – Easy installation in electrical panels and distribution boards with standard DIN-rail mounting.
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