Overload Protection – Trips when current is too high
Short-Circuit Protection – Instantly disconnects during faults
Thermal-Magnetic Trip – Accurate and reliable operation
6kA Breaking Capacity – Handles high fault current safely
DIN Rail Mounting – Easy and quick installation
Compact Design – Saves space in the distribution box
Safe & Durable – Long service life and stable performance
Standard Compliant – Meets IEC safety standards
₨ 999 ₨ 1,300
The CNC 2P AC MCB Circuit Breaker YCB7-63N is a reliable protection device designed for safe and efficient control of AC electrical circuits. It provides dual-pole protection, disconnecting both live and neutral lines simultaneously during overloads or short circuits. With a thermal-magnetic tripping mechanism and 6kA breaking capacity, it ensures fast fault response and dependable performance. Its compact DIN-rail design allows easy installation in distribution boards, making it ideal for residential, commercial, and light industrial applications.
| Specification | Value |
| Type | Standard IEC / EN 60898-1 |
| Rated Current (In) | 10A, 16A, 20A, 25A, 30A, 40A & 63A |
| Poles | 2 Pole |
| Rated Voltage (UE) | 230 / 400 V |
| Insulation Voltage (UI) | 500 V |
| Rated Frequency | 50 / 60 Hz |
| Rated Breaking Capacity | 6000 A |
| Rated Impulse Withstand Voltage (UIMP) | 4000 V |
| Dielectric Test Voltage at Industrial Frequency (1 min) | 2 kV |
| Pollution Degree | 2 |
| Thermo-Magnetic Release Characteristic | B, C, D |
| Electrical Life | 6000 cycles |
| Mechanical Life | 20000 cycles |
| Protection Degree | IP20 |
| Ambient Temperature (Daily Average ≤35°C) | -25~+70°C |
| Storage Temperature | -25~+70°C |
| Terminal Connection Type | Cable/Pin-type busbar |
| Terminal Size Top/Bottom for Cable | 25 mm² / AWG 18-3 |
| Terminal Size Top/Bottom for Busbar | 25 mm² / AWG 18-3 |
| Tightening Torque | 2 N·m / 18 In-lbs. |
| Mounting | On DIN rail EN 60715 (35 mm) by means of fast clip |
| Connection | From top and bottom |
| Reference Temperature for Setting of Thermal Element | 30°C |
Dual Power Manual Transfer Switch (MTS) – Lets you manually switch between two AC power sources (e.g., grid and generator/backup) for safer power management.
2P + 2P Configuration – Designed for two-phase or two-source AC systems, providing protection and switching on both paths.
Integrated MCB Protection – Combines a circuit breaker (MCB) with the transfer switch to offer overload, short-circuit, and under-voltage protection while switching.
Rated Voltage: 230/400 V AC (50 Hz / 60 Hz) – Compatible with standard single-phase and two-phase networks.
Various Current Ratings (6 A to 63 A) – Multiple options to match different load requirements.
Breaking Capacity ~6 kA – Designed to safely interrupt fault currents during protection events.
Manual Operation – Simple mechanical lever/switch for choosing power source by hand without automation.
DIN-Rail Mountable – Easy installation in electrical panels and distribution boards.
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.
Dual Power Manual Transfer Switch (MTS) – Allows you to manually switch between two AC power sources (e.g., main grid and backup generator).
1P + 1P Configuration – Uses two single-pole modules—one for each power source—ideal for single-phase systems.
Built-in Circuit Breaker (MCB) – Provides overload and short-circuit protection during power source switching.
Safety Interlocking System – Prevents both power sources from being connected at the same time to avoid back-feeding and electrical hazards.
Manual Operation – Simple, user-controlled switching between power supplies without automated control.
Wide Frequency Support: Works with 50 Hz / 60 Hz AC systems.
Single-Phase Compatibility – Best for homes, small businesses, and backup power setups.
High DC Voltage Rating: Designed for up to 1000 V DC, making it suitable for solar photovoltaic (PV) systems, battery storage and other high‑voltage DC applications.
4‑Pole Configuration: Offers four‑pole protection, providing comprehensive isolation and safety for complex DC circuits.
Overload & Short‑Circuit Protection: Protects DC circuits against overcurrent, short circuits and overloads, helping prevent equipment damage and fire hazards.
Versatile Current Ratings: Available in multiple ratings like 16 A, 20 A, 32 A, 63 A to match different PV system needs.
Flame‑Retardant Durable Build: Constructed with high‑quality flame‑retardant materials for durability and safer operation in harsh environments.
Compact & DIN‑Rail Mountable: Space‑efficient design that easily installs on standard 35 mm DIN rails in PV combiner boxes and DC panels.
Reliable for PV & DC Systems: Ideal for solar PV string protection, energy storage systems, telecom DC circuits, and industrial DC applications.
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