Description
Tomzn TOQ5-250/4P Handle Type 250A 4P AC Three Phase Dual Power Automatic Transfer Switch ATS
Heavy-Duty Dual Power Switching for Industrial and Commercial Backup Systems
The Tomzn TOQ5-250/4P Handle Type Automatic Transfer Switch is a robust 4-pole ATS designed to manage seamless switching between two AC power sources in high-load three-phase systems. With a rated current capacity of 250A, it is ideal for commercial, industrial, and large residential backup applications.
Built with manual/automatic control modes and a secure handle mechanism, this ATS ensures reliability and operator control during maintenance or emergencies.
Key Specifications:
- Model: TOQ5-250/4P
- Rated Current: 250A
- Phase Type: 3-Phase 4-Pole (A, B, C, N)
- Rated Working Voltage: 400V AC (50/60Hz)
- Control Voltage: 220V AC
- Insulation Voltage: 800V AC
- Impulse Withstand Voltage: 6kV
- Switching Time: <2.5 seconds
- Operation Modes:
- Automatic (auto switch between power sources)
- Manual (control via handle
Application and Use:
- Automatically prioritizes Normal Power
- Switches to Reserve Power during outages
- Ideal for industrial machinery, commercial buildings, backup generators, and solar systems
⚠️ Note: This switch does not start or stop generators. It only switches power input. Power is interrupted briefly during switching (under 2.5 seconds).
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