Ac/dc Breakers
Showing 25–36 of 36 results
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Ac/dc Breakers, Solar Accessories
TOMZN 3P+3P MTS AC Dual Power Circuit Breaker MCB 50HZ/60HZ Change Over
Ac/dc Breakers, Solar AccessoriesTOMZN 3P+3P MTS AC Dual Power Circuit Breaker MCB 50HZ/60HZ Change Over
TOMZN 3P+3P AC MTS Features
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3P + 3P Dual Power Manual Transfer Switch (MTS) – Lets you manually switch between two three-phase AC power sources (e.g., grid and generator/backup), ensuring continuous supply when one source fails.
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Integrated Circuit Breaker (MCB) Protection – Combines transfer switch functionality with overload, short-circuit, under-voltage, and phase-loss protection in one unit for safer operation.
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Three-Phase Compatibility (3P + 3P) – Designed for balanced switching of all three phases between two input sources, suitable for industrial, commercial, and large-load three-phase systems.
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Wide Voltage & Frequency Support – Compatible with 230 V / 400 V AC and works on both 50 Hz and 60 Hz networks.
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Manual Operation – User-controlled changeover without automation, giving direct control over which source is supplying power.
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Wide Current Range – Available in various current ratings (e.g., 6 A up to 63 A), allowing selection based on load requirements.
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High Breaking Capacity (~6 kA) – Built to safely interrupt fault currents and protect the circuit during overloads and short-circuit events.
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DIN-Rail Mountable Design – Easy installation in electrical panels and distribution boards with standard DIN-rail mounting.
SKU: n/a -
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Ac/dc Breakers, Solar Accessories
TOMZN 4 Pole 3Phase Adjustable Over And Under Voltage Protector-TOVPD3-VA
Ac/dc Breakers, Solar AccessoriesTOMZN 4 Pole 3Phase Adjustable Over And Under Voltage Protector-TOVPD3-VA
TOMZN 4 Pole 3Phase Voltage Protector Features
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Adjustable Over‑Voltage Protection — Cuts power when phase voltage exceeds the set safe level to protect equipment from high‑voltage damage.
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Adjustable Under‑Voltage Protection — Disconnects supply if phase voltage drops below the set threshold to avoid brown‑out damage.
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Over‑Current Protection — Protects circuits from over‑current conditions with adjustable current limits.
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Three‑Phase Balance & Asymmetry Protection — Detects phase imbalance (asymmetry) and trips to prevent damage to motors and other loads.
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Phase Sequence Protection — Ensures correct phase order and prevents reversal faults that can damage three‑phase equipment.
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Adjustable Timing Controls — Active time, reconnect delay, and power‑on delay are adjustable to fine‑tune protection response.
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Manual Voltage & Current Calibration — Allows precise calibration of measurement ranges to match specific system requirements.
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DIN‑Rail Mountable Design — Standard 35 mm DIN‑rail installation for easy panel mounting.
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Wide Use Cases — Suitable for industrial, commercial, and residential three‑phase systems to protect motors, compressors, HVAC units, and other loads.
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Ac/dc Breakers, Solar Accessories
TOMZN 4P 63A 3Phase ChangeOver Switch Breaker-TO419G
TOMZN 4P 63A ChangeOver Breaker Features
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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).
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63 A Rated Current – Suitable for moderate‑to‑heavy loads in residential, commercial, or industrial three‑phase installations.
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Manual Transfer Switch Function (MTS) – Lets you manually switch power sources to maintain continuity when the primary supply fails.
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Interlock Mechanism – Prevents simultaneous connection of both power sources, reducing the risk of short circuits and equipment damage.
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DIN‑Rail Mountable – Standard 35 mm DIN‑rail installation for easy integration into electrical panels and distribution boards.
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Flame‑Retardant Durable Build – Made of high‑quality insulating plastic for safety and reliability.
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Compact & Robust Design – Space‑efficient construction suitable for crowded control enclosures.
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Seamless Power Management – Helps manage dual power supply systems (e.g., grid & generator) where uninterrupted power is needed
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Ac/dc Breakers, Solar Accessories
TOMZN 4P AC MCB C type 230/400V~ 50/60Hz Mini Circuit Breaker-TOB1-63H
Ac/dc Breakers, Solar AccessoriesTOMZN 4P AC MCB C type 230/400V~ 50/60Hz Mini Circuit Breaker-TOB1-63H
TOMZN 4P AC MCB Breaker Features
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4‑Pole AC Miniature Circuit Breaker – Provides protection for all three phases plus neutral (3P + N) in AC systems.
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C‑Type Trip Curve – Trips reliably on overloads and short circuits, and can handle moderate inrush currents from motors and lighting loads.
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Wide Voltage Compatibility: Rated for 230/400 V AC and works with 50 Hz/60 Hz electrical networks.
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Multiple Current Ratings Available – Often offered in ratings up to 63 A (and sometimes 16 A, 20 A, 25 A, 32 A, 50 A).
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Overload & Short‑Circuit Protection – Automatically disconnects the circuit if current exceeds safe limits.
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DIN Rail Mounting – Compact design for easy installation in distribution boards.
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Durable Construction – Built with robust materials for reliable performance in residential, commercial, and industrial installations.
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Ac/dc Breakers, Solar Accessories
TOMZN 4P AC Single Phase Dual Power Automatic Transfer Switch ATS-TOQ7-125A/100A/63A-4
Ac/dc Breakers, Solar AccessoriesTOMZN 4P AC Single Phase Dual Power Automatic Transfer Switch ATS-TOQ7-125A/100A/63A-4
TOMZN 4P AC ATS Features
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Automatic Dual-Power Switching – Seamlessly transfers electrical load between two power sources (e.g., grid and backup generator/inverter) for continuous power without user action.
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Fast Switching Time – Quickly changes over in less than 50 ms, minimizing disruption to connected equipment.
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4-Pole 3-Phase Design – Handles all three phases plus neutral, ensuring balanced and complete switching for three-phase systems.
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Multiple Current Ratings (63A/100A/125A) – Available in different rated current options to suit a range of load requirements.
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High Surge Withstand (8 kV) – Built-in impulse withstand protects against transient voltage spikes during switching events.
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PC-Level Reliability Construction – Designed for stable automatic switching without generating dangerous short-circuit currents, protecting circuits and appliances.
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Wide Operating Range – Works reliably within ≈85 % to 110 % of rated voltage, accommodating minor voltage variations in supply.
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DIN-Rail Mountable – Standard DIN-rail installation makes it easy to mount in electrical panels and distribution boards.
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Durable Mechanical & Electrical Life – Built to last thousands of automatic switching cycles for long-term use.
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Ac/dc Breakers, Solar Accessories
TOMZN 4P DC MCB Solar PV System Mini Circuit Breaker-TOB7Z-63 1000V
Ac/dc Breakers, Solar AccessoriesTOMZN 4P DC MCB Solar PV System Mini Circuit Breaker-TOB7Z-63 1000V
TOMZN 4P DC MCB Breaker Features
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High DC Voltage Rating: Designed for up to 1000 V DC, making it suitable for solar photovoltaic (PV) systems, battery storage and other high‑voltage DC applications.
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4‑Pole Configuration: Offers four‑pole protection, providing comprehensive isolation and safety for complex DC circuits.
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Overload & Short‑Circuit Protection: Protects DC circuits against overcurrent, short circuits and overloads, helping prevent equipment damage and fire hazards.
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Versatile Current Ratings: Available in multiple ratings like 16 A, 20 A, 32 A, 63 A to match different PV system needs.
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Flame‑Retardant Durable Build: Constructed with high‑quality flame‑retardant materials for durability and safer operation in harsh environments.
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Compact & DIN‑Rail Mountable: Space‑efficient design that easily installs on standard 35 mm DIN rails in PV combiner boxes and DC panels.
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Reliable for PV & DC Systems: Ideal for solar PV string protection, energy storage systems, telecom DC circuits, and industrial DC applications.
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Ac/dc Breakers, Solar Accessories, Uncategorized
TOMZN 4P+4P MTS AC Dual Power Circuit Breaker MCB 50HZ/60HZ Change Over
Ac/dc Breakers, Solar Accessories, UncategorizedTOMZN 4P+4P MTS AC Dual Power Circuit Breaker MCB 50HZ/60HZ Change Over
TOMZN 4P+4P AC MTS Features
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3‑Phase Dual Power Manual Transfer Switch (MTS) – Designed for three‑phase AC systems to manually switch between two independent power sources (e.g., grid and backup/generator), ensuring continuous power supply.
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4P + 4P Pole Configuration – Each power source has a 4‑pole module (phases L1, L2, L3 + neutral), providing full control and protection across all conductors.
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Integrated MCB Protection – Combines manual transfer switch functionality with a Miniature Circuit Breaker (MCB) to offer overload, short‑circuit, under‑voltage, and phase‑loss protection in one unit.
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Manual Operation – User‑controlled changeover between main and backup power sources for reliable fail‑safe switching without automation.
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Wide Voltage & Frequency Support – Suitable for 230 V / 400 V AC systems at 50 Hz / 60 Hz frequencies, compatible with a broad range of electrical networks.
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Multiple Current Ratings – Available in common ratings such as 6 A, 10 A, 16 A, 20 A, 25 A, 32 A, 40 A, 50 A, 63 A to match different load requirements.
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High Breaking Capacity – Typically around 6 kA, ensuring safe interruption of fault currents during protection events.
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DIN‑Rail Mountable – Easy installation in electrical distribution boards and control panels using standard 35 mm DIN rail.
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Ac/dc Breakers, Solar Accessories
TOMZN 4P+4P MTS DC Dual Power Circuit Breaker For PV System
TOMZN 4P+4P DC MTS Breaker Features
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Dual Power Manual Transfer Switch (MTS) – Enables manual switching between two independent DC power sources (e.g., solar array and battery bank) in a PV system for reliable power control.
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4P + 4P Pole Configuration – Provides full isolation of both positive and negative poles for each power path, ensuring greater safety and complete DC disconnection when switching.
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High DC Voltage & Current Capacity – Typically rated for up to 1000 V DC and 63 A, suitable for a wide range of solar system sizes and off‑grid applications.
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Built‑in Overload & Short‑Circuit Protection – Integrated MCB function protects DC circuits from overcurrent and short circuits during normal operation.
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Robust Construction – Made with flame‑retardant, durable materials to withstand PV environmental conditions and long‑term use.
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Manual Operation with Visual Indicators – Simple hand‑operated transfer and clear on/off indicators help ensure correct switching and safer operation.
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DIN‑Rail Mountable – Designed for easy installation in DC combiner boxes, distribution panels, or PV system enclosures.
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Suitable for PV & Off‑Grid Systems – Ideal for solar PV installations, battery backup systems, and other DC power networks requiring safe manual source selection.
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Ac/dc Breakers, Solar Accessories
TOMZN Automatic Voltage current Protector Socket AC 110V 220V-TOSVA-16
Ac/dc Breakers, Solar AccessoriesTOMZN Automatic Voltage current Protector Socket AC 110V 220V-TOSVA-16
TOMZN Automatic Voltage current Protector Socket Features
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Over-Voltage Protection – Automatically cuts power when the input voltage exceeds a set safe limit.
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Under-Voltage Protection – Automatically shuts off power if the voltage falls below the configured threshold.
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Over-Current Protection – Trips the socket if the current exceeds the adjustable limit (1–16 A).
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Automatic Recovery – Restores power automatically once voltage/current returns to normal after a fault.
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Real-Time Voltage & Current Display – Built-in digital display shows live voltage and current readings.
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Adjustable Calibration – Voltage calibration adjustable within ±9.5 % for more accurate readings.
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Configurable Protection Values – Users can adjust over/under-voltage and over-current trigger levels and delay times.
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Factory Reset & Fault Inquiry – Easy reset of settings and ability to check fault history with button presses.
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Wide Voltage Range Compatibility – Works with 90–300 V AC supply, suitable for both 110 V and 220 V environments.
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Durable Construction & Long Life – Low power consumption (< 2 W) and long mechanical/electrical life (~100,000 operations).
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Ac/dc Breakers, Solar Accessories
TOMZN Fuse Set-DC 1100V-TOPV-32x
TOMZN Fuse Set-TOPV-32x-Features
- High DC Voltage Rated: Designed for up to 1000 V–1100 V DC, suitable for modern solar PV string protection.
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1‑Pole Configuration: Single‑pole fuse holder for one DC circuit/string in a PV system.
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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).
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Robust Construction: Made from high‑temperature resistant plastic with good insulation for safer DC operation.
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DIN‑Rail Mountable: Standard 35 mm DIN rail mounting allows easy installation in PV combiner boxes and DC panels.
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Essential PV Protection: Acts as a base for fuse links that protect against overcurrent, overloads, and short‑circuit faults in solar strings.
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Ac/dc Breakers, Solar Accessories
TOMZN WiFi Smart Switch Energy Meter Circuit Breaker-TOB9-VAP
TOMZN WiFi Smart Switch Circuit Breaker Features
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Smart WiFi Control – Remotely turn the breaker ON/OFF from anywhere using the Smart Life / Tuya app on your phone.
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Energy Monitoring (kWh) – Measures and reports real-time energy usage, including voltage, current, and power, so you can track consumption and manage bills.
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Scheduling & Timer Functions – Create timers, schedules, and loop timers for automatic circuit control.
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Built-In Protection – Offers over-voltage, under-voltage, and over-current protection settings to safeguard connected devices.
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Wide Operating Range – Works with AC 90–300 V (50/60 Hz) supply and supports 63 A load capacity (adjustable).
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Last State Memory – Remembers the previous ON/OFF status after a power outage.
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Durable & Reliable – Designed for over 100,000 mechanical operations and –25 °C to +70 °C operating temperature.
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Real-Time Voltage & Current Metering – Displays voltage, current, and power values in the app.
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Voice Assistant Ready – Works with Google Assistant & Alexa via the Tuya/Smart Life platform (depending on app setup).
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Ac/dc Breakers, Solar Accessories
TOMZN WIFI Smart Switch Energy Meter Kwh Metering Monitoring Circuit Breaker-TOB9S-VAP
Ac/dc Breakers, Solar AccessoriesTOMZN WIFI Smart Switch Energy Meter Kwh Metering Monitoring Circuit Breaker-TOB9S-VAP
TOMZN WIFI Smart Switch Circuit Breaker Features
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WiFi Smart Control — Remotely turn ON/OFF the circuit from your smartphone using the Smart Life / Tuya app.
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Energy Monitoring (kWh) — Tracks real-time energy usage, including voltage, current, power, and total kWh.
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Scheduling & Timer Functions — Set schedules, countdowns, and loop timers for automated circuit control.
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Over/Under Voltage Protection — Protects connected equipment by tripping when voltage goes too high or too low.
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Over-Current & Over-Power Protection — Trips the breaker if current or power exceeds safe limits.
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Real-Time Metering — Displays voltage (V), current (A), and active power (W) in the app.
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Voice Assistant Compatible — Works with Amazon Alexa & Google Assistant for hands-free control.
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Relay Last Status Memory — Remembers the last ON/OFF state after a power outage.
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Durable Design — Built with flame-retardant materials and supports DIN-rail installation.
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Wide Operating Range — Works with AC 90–300 V and supports 2.4 GHz Wi-Fi (not 5 GHz
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