Dual‑Function Design: Acts as both a circuit breaker and a manual changeover/transfer switch to safely switch between two AC power sources (e.g., grid and generator).
63 A Rated Current: Supports loads up to 63 amps, suitable for larger circuits and subpanels.
2‑Pole Configuration: Provides simultaneous switching and isolation of live and neutral lines for safer operation.
Manual Operation: Simple hand‑operated transfer between main and backup power — no automation.
Integrated Isolation Feature: Includes a mechanical isolating function for safer maintenance and prevention of back‑feed.
Robust Construction: Made with flame‑retardant plastic and durable materials for reliability in industrial, commercial, and residential installations.
DIN‑Rail Mountable: Compact design for easy installation on a 35 mm DIN rail in distribution panels or electrical enclosures.
AC Voltage Compatibility: Typically used with standard 230 V–400 V AC systems at 50/60 Hz.
₨ 1,299 ₨ 1,500
The TOMZN TO219G 2P 63A Changeover Switch Breaker is a manual transfer switch combined with a circuit breaker designed for safe and reliable switching between two AC power sources (such as grid and backup generator or solar/inverter systems). Rated for 63 A and up to ~400 V AC, this dual‑function device lets you manually change power sources while also providing breaker protection. It features a 2‑pole design that isolates both live and neutral lines, an integrated isolating/interlock function for enhanced safety during maintenance, and a compact DIN‑rail mountable housing for easy installation in electrical panels. Ideal for residential, commercial, and industrial backup power setups, this switch helps maintain uninterrupted power supply when primary power fails.
| Specification | Details |
|---|---|
| Model / Type | TOMZN TO219G 2P 63A Manual Changeover Switch Breaker (Circuit Breaker + Manual Transfer Switch) |
| Pole Configuration | 2 Pole (L + N) — isolates live and neutral for safe switching between sources |
| Rated Current | 63 A (maximum load capacity) |
| Rated Voltage | ~400 V AC (suitable for single‑phase AC systems) |
| Frequency | 50 Hz / 60 Hz |
| Operation | Manual Transfer Switch (MTS) — manually select between two power sources |
| Functionality | Combines circuit breaker protection with changeover switch capability |
| Isolation Feature | Integrated isolating/ interlock function for safer maintenance |
| Mounting | 35 mm DIN‑Rail mountable for panel installation |
| Material | Flame‑retardant plastic housing for durability and safety |
| Application | Manual switching between two AC power inputs (e.g., grid and generator or backup source) in homes, commercial, and light industrial panels |
| Typical Uses | Backup power management, UPS/grid/inverter changeover, workshops, solar backup setups |
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.
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 AC Circuit Breaker — Protects two lines in an AC electrical circuit.
Voltage Rating: Works at 230/400 V AC with 50/60 Hz frequency, suitable for standard power systems.
Current Ratings Available: From 6 A up to 63 A — choose based on your load requirement.
C-Type Trip Curve: Designed to trip on overloads and short circuits, and handle temporary current spikes (e.g., motors, lights).
Overload & Short-Circuit Protection: Automatically disconnects the circuit to prevent electrical damage and hazards.
Compact & Durable Design: Lightweight, built with fire-resistant and shock-resistant plastic, and easy to install on a DIN rail.
Standards Compliance: Meets international safety standards like IEC 60898 & IEC 60947 for reliable performance.
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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