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.
₨ 2,350 ₨ 2,599
The TOMZN 2P+2P AC Dual Power Manual Transfer Switch (MTS) is manual changeover device with integrated circuit breaker protection designed for two-path AC power systems. It allows you to safely switch between two AC power sources (such as utility/grid and a backup generator or inverter) when the main power fails, ensuring continuity of supply. The switch supports 230 V / 400 V AC at 50/60 Hz and offers overload, short-circuit, under-voltage, and phase-loss protection while preventing both sources from being connected at the same time. With simple manual operation and easy DIN-rail mounting, this MTS is ideal for homes, businesses, and critical power environments where manual control and reliable safety are essential.
| Specification | Details |
|---|---|
| Model / Series | TOB1-63H MTS AC Dual Power Manual Transfer Switch with MCB |
| Type | Manual Transfer Switch (MTS) with integrated Mini Circuit Breaker (MCB) |
| Pole Configuration | 2P + 2P (two-path AC dual power) |
| Rated Voltage | 230 V ~ / 400 V ~ AC |
| Frequency | 50 Hz / 60 Hz |
| Rated Current Options | 6 A, 10 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A ( |
| Breaking Capacity | 6 kA (6000 A) |
| Protection Functions | Overload protection, short-circuit protection, under-voltage protection, missing phase protection |
| Operation | Manual switching between two AC power sources (grid ↔ backup/generator) |
| Safety Features | Interlocking prevents both sources from being connected at the same time |
| Mounting | DIN-Rail (standard) |
| Typical Applications | Residential, commercial, industrial backup power switching, generator changeover 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.
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.
4‑Pole Manual Changeover Switch – Designed for three‑phase systems (L1, L2, L3 + N), allowing safe switching between two AC power sources (e.g., main grid and backup).
63 A Rated Current – Suitable for moderate‑to‑heavy loads in residential, commercial, or industrial three‑phase installations.
Manual Transfer Switch Function (MTS) – Lets you manually switch power sources to maintain continuity when the primary supply fails.
Interlock Mechanism – Prevents simultaneous connection of both power sources, reducing the risk of short circuits and equipment damage.
DIN‑Rail Mountable – Standard 35 mm DIN‑rail installation for easy integration into electrical panels and distribution boards.
Flame‑Retardant Durable Build – Made of high‑quality insulating plastic for safety and reliability.
Compact & Robust Design – Space‑efficient construction suitable for crowded control enclosures.
Seamless Power Management – Helps manage dual power supply systems (e.g., grid & generator) where uninterrupted power is needed
Over-Voltage Protection – Cuts power if voltage exceeds the safe set level.
Under-Voltage Protection – Shuts off supply when voltage drops below the safe limit.
Over-Current Protection – Protects circuits from excessive current draw.
Automatically Recovers – Restores power once voltage/current returns to safe range.
Real-Time Voltage & Current Display – Built-in display shows live voltage and current.
Adjustable Settings – You can set over-voltage, under-voltage, and over-current thresholds.
Memory of Settings – Remembers your set values even after power loss.
DIN-Rail Mountable – Easy installation in distribution panels.
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