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) – 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 – 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.
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
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.
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