4‑Pole AC Miniature Circuit Breaker – Provides protection for all three phases plus neutral (3P + N) in AC systems.
C‑Type Trip Curve – Trips reliably on overloads and short circuits, and can handle moderate inrush currents from motors and lighting loads.
Wide Voltage Compatibility: Rated for 230/400 V AC and works with 50 Hz/60 Hz electrical networks.
Multiple Current Ratings Available – Often offered in ratings up to 63 A (and sometimes 16 A, 20 A, 25 A, 32 A, 50 A).
Overload & Short‑Circuit Protection – Automatically disconnects the circuit if current exceeds safe limits.
DIN Rail Mounting – Compact design for easy installation in distribution boards.
Durable Construction – Built with robust materials for reliable performance in residential, commercial, and industrial installations.
₨ 2,250 ₨ 2,500
The TOMZN TOB1‑63H 4‑Pole AC Mini Circuit Breaker is a C‑type protection device designed for 230/400 V AC electrical systems at 50/60 Hz. It provides reliable overload and short‑circuit protection for three‑phase + neutral (4P) circuits in residential, commercial, and industrial installations. Built with a compact, robust flame‑resistant body, this MCB ensures long‑lasting performance and easy DIN‑rail mounting while meeting standard safety requirements for low‑voltage power distribution systems.
| Specification | Details |
|---|---|
| Model | TOB1‑63H 4P |
| Type | 4‑Pole AC Miniature Circuit Breaker (MCB) |
| Pole Configuration | 4P (3P + N) |
| Rated Voltage | 230/400 V AC ~ |
| Frequency | 50 Hz / 60 Hz |
| Current Ratings Available | 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A |
| Trip Curve | C‑Type (for moderate inrush) |
| Breaking Capacity | 6 kA (typical) |
| Rated Insulation Voltage | 500 V |
| Rated Impulse Withstand Voltage | 6 kV |
| Operating Temperature | -25 °C to +55 °C (approx.) |
| Mounting | DIN Rail (standard 35 mm) |
| Standards Compliance | IEC 60898 |
| Typical Applications | Residences, commercial & industrial AC power protection |
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 AC Surge Protection Device – Protects single-phase electrical systems from voltage surges and transient over-voltages.
High Surge Current Capacity (20 kA ~ 40 kA) – Can absorb and divert high-energy spikes from lightning strikes or switching surges to safeguard devices.
Rated Voltage ~275 V AC (up to 385 V versions) – Designed for typical household and light commercial AC mains.
Low Let-Through Voltage (< 1.5 kV) – Limits the voltage that reaches connected equipment during a surge, reducing damage risk.
Compact DIN-Rail Mountable – Easy installation in electrical panels or distribution boards.
Flame-Retardant Durable Build – Made with robust materials for long-term reliability.
Auto-Reset After Surge – Resets itself after handling a surge event for continuous protection.
2P + 2P DC Manual Transfer Switch (MTS) – Lets you manually switch between two DC power sources in a photovoltaic (PV) setup, such as a solar array and a backup battery bank.
Dual Power Operation – Designed for DC dual power systems to ensure continuity of power without automatic switching.
Rated for High DC Voltage: Supports up to 1000 V DC, meeting common PV system requirements.
Integrated Circuit Breaker Protection: Combines manual transfer switching with overload and short‑circuit protection in one unit.
2P + 2P Pole Structure: Provides full protection and switching for two separate DC sources (each 2‑pole).
Rated Current Options: Available (commonly) at 63 A and potentially other ratings depending on model.
DIN‑Rail Mountable: Compact design fits standard 35 mm DIN rails in PV combiner boxes and DC distribution panels.
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
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