TOMZN 4P AC Single Phase Dual Power Automatic Transfer Switch ATS-TOQ7-125A/100A/63A-4
TOMZN 4P AC Single Phase Dual Power Automatic Transfer Switch ATS-TOQ7-125A/100A/63A-4 - Image 2
TOMZN 4P AC Single Phase Dual Power Automatic Transfer Switch ATS-TOQ7-125A/100A/63A-4 - Image 3
TOMZN 4P AC Single Phase Dual Power Automatic Transfer Switch ATS-TOQ7-125A/100A/63A-4 - Image 4
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TOMZN 4P AC Single Phase Dual Power Automatic Transfer Switch ATS-TOQ7-125A/100A/63A-4

TOMZN 4P AC ATS Features

  • 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.

  • Fast Switching Time – Quickly changes over in less than 50 ms, minimizing disruption to connected equipment.

  • 4-Pole 3-Phase Design – Handles all three phases plus neutral, ensuring balanced and complete switching for three-phase systems.

  • Multiple Current Ratings (63A/100A/125A) – Available in different rated current options to suit a range of load requirements.

  • High Surge Withstand (8 kV) – Built-in impulse withstand protects against transient voltage spikes during switching events.

  • PC-Level Reliability Construction – Designed for stable automatic switching without generating dangerous short-circuit currents, protecting circuits and appliances.

  • Wide Operating Range – Works reliably within ≈85 % to 110 % of rated voltage, accommodating minor voltage variations in supply.

  • DIN-Rail Mountable – Standard DIN-rail installation makes it easy to mount in electrical panels and distribution boards.

  • Durable Mechanical & Electrical Life – Built to last thousands of automatic switching cycles for long-term use.

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TOMZN 4P AC Single Phase Dual Power Automatic Transfer Switch ATS-TOQ7-125A/100A/63A-4

The TOMZN TOQ7-4P 3-Phase Automatic Transfer Switch (ATS) is a reliable dual-power electrical selector switch designed to automatically transfer load between two AC power sources (such as utility/grid and backup generator or alternate supply) in three-phase systems, ensuring continuous and stable power supply without manual intervention. Built with PC-level reliability, it features fast switching (typically < 50 ms) and high impulse voltage withstand (up to ~8 kV) for enhanced surge resistance, helping protect connected equipment from power disruptions and voltage spikes. The unit supports multiple rated current options (63 A / 100 A / 125 A) to match various load demands and is DIN-rail mountable for easy installation in panels and electrical enclosures, making it ideal for industrial, commercial, and critical backup power applications where uninterrupted power is essential.

 

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Specification Details
Model / Type TOMZN TOQ7-4P 3-Phase Dual Power Automatic Transfer Switch (ATS)
Pole Configuration 4-Pole (L1, L2, L3 + N) — for three-phase systems
Rated Supply Voltage (Us) AC 220 V – 240 V control voltage (typically for sensing)
Working Voltage Range ≈ 85 % Us – 110 % Us (operates within normal grid variation)
Rated Current Options 63 A / 100 A / 125 A depending on model
Rated Impulse Withstand Voltage 8 kV — protects against transient surges
Switching Time < 50 ms — fast automatic transfer between sources
Action (Response) Time < 50 ms — detects source failure and responds quickly
Frequency 50 Hz / 60 Hz — compatible with standard mains frequencies
Electrical Life ~2,000 cycles — durable switching performance
Mechanical Life ~5,000 operations — long mechanical endurance
Mounting DIN-Rail installation for panel/electrical cabinet
Typical Application Automatic switching between grid and backup power for three-phase loads; ensures continuity of power supply

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