Single‑Pole AC Miniature Circuit Breaker (MCB) – Protects a single phase in AC electrical circuits.
Rated Voltage: 230/400 V AC at 50/60 Hz — suitable for standard household and industrial AC systems.
C‑Type Trip Curve – Trips on moderate overcurrents (≈5–10× rated current), ideal for circuits with moderate inrush like lighting and small motors.
Overload & Short‑Circuit Protection – Automatically disconnects the circuit when current exceeds safe limits to prevent wiring or device damage.
Multiple Current Ratings Available: Often offered in 2 A, 4 A, 6 A, 10 A, 16 A, 20 A, 32 A, 63 A to match different circuits.
Compact, DIN‑Rail Mountable Design – Easy to install in standard distribution boards and electrical panels.
₨ 450 ₨ 550
Tomzn 1P AC MCB (C-Type, 230/400 V) is single-pole miniature circuit breaker designed to protect AC electrical circuits from overload and short-circuit faults. It features a compact, lightweight and reliable design made with high fire-resistant and shock-proof materials, and is suitable for use in residential, commercial, and industrial wiring systems. The C-type trip curve handles moderate inrush currents, making it ideal for general power circuits, lighting, and equipment with short start-up surges. This MCB complies with standard safety norms and easily installs on a DIN-rail in distribution boards.
| Specification | Details |
|---|---|
| Model | 1P AC MCB TOB1‑63H |
| Type | 1‑Pole AC Miniature Circuit Breaker |
| Rated Voltage | 230 V / 400 V AC |
| Frequency | 50 Hz / 60 Hz |
| Trip Curve | C‑Type (moderate inrush tolerance) |
| Available Current Ratings | 2 A, 4 A, 6 A, 10 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A |
| Breaking Capacity (Icu) | 6 kA typical |
| Protection Functions | Overload & short‑circuit protection |
| Mounting | DIN‑Rail (35 mm) |
| Body / Protection Class | IP20 housing |
| Dimensions (approx.) | 18×77×70 mm |
| Standards Compliance | IEC 60898 & IEC 60947 |
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.
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.
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 Surge Protection Device (SPD) – Designed to protect three-phase AC systems plus neutral from voltage surges and transient over voltages.
High Surge Current Handling – Built to absorb surge currents (typically around 20 kA–40 kA depending on rating) to protect equipment from lightning strikes and switching transients.
Designed for Low-Voltage AC Networks – Works with 230/400 V AC at 50/60 Hz, making it suitable for residential, commercial, and light industrial electrical panels.
Fast Response & Low Let-Through Voltage – Quickly clamps and diverts excess surge energy to ground, reducing the risk of damage to sensitive electronics.
DIN-Rail Mountable – Compact, DIN-rail design for easy installation in distribution boards and sub-panels.
Thermal Disconnect Protection – Often includes thermal disconnection mechanisms for added safety if internal components overheat.
Visual Status Indicators – Many models use simple status windows/LEDs (green for normal, red for fault) to show device health and when replacement is needed.
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