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 |
1‑Pole Configuration: Single‑pole fuse holder for one DC circuit/string in a PV system.
Wide Fuse Compatibility: Works with 10×38 mm PV fuse links rated from around 3 A up to 30 A (varies by model and application).
Robust Construction: Made from high‑temperature resistant plastic with good insulation for safer DC operation.
DIN‑Rail Mountable: Standard 35 mm DIN rail mounting allows easy installation in PV combiner boxes and DC panels.
Essential PV Protection: Acts as a base for fuse links that protect against overcurrent, overloads, and short‑circuit faults in solar strings.
2-Pole DC Circuit Breaker – Breaks both positive and negative lines in DC power systems for safer protection.
High DC Voltage Rating – Rated for up to 600 V DC (commonly used in solar PV and battery systems).
High Current Capacity – Available in up to 125 A rating for larger DC loads.
Overload & Short-Circuit Protection – Trips the circuit to prevent damage from excessive current or faults.
Modular DIN Rail Mounting – Easy installation on standard 35 mm DIN rails in DC combiner boxes and panels.
Compact & Durable Design – Built with strong materials for long service life in residential, commercial, and solar DC applications.
C-Type Trip Characteristic – Typical for general DC protection with reliable tripping behavior.
Suitable for Solar PV & Battery Systems – Ideal for protecting DC circuits between solar strings, inverters, and battery banks.
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 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.
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