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 |
3‑Phase Dual Power Manual Transfer Switch (MTS) – Designed for three‑phase AC systems to manually switch between two independent power sources (e.g., grid and backup/generator), ensuring continuous power supply.
4P + 4P Pole Configuration – Each power source has a 4‑pole module (phases L1, L2, L3 + neutral), providing full control and protection across all conductors.
Integrated MCB Protection – Combines manual transfer switch functionality with a Miniature Circuit Breaker (MCB) to offer overload, short‑circuit, under‑voltage, and phase‑loss protection in one unit.
Manual Operation – User‑controlled changeover between main and backup power sources for reliable fail‑safe switching without automation.
Wide Voltage & Frequency Support – Suitable for 230 V / 400 V AC systems at 50 Hz / 60 Hz frequencies, compatible with a broad range of electrical networks.
Multiple Current Ratings – Available in common ratings such as 6 A, 10 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A to match different load requirements.
High Breaking Capacity – Typically around 6 kA, ensuring safe interruption of fault currents during protection events.
DIN‑Rail Mountable – Easy installation in electrical distribution boards and control panels using standard 35 mm DIN rail.
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
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.
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.
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