Dual Power Supply Transfer Switch 250A 4P For AC 400V With Fast Switching Under 50ms, Easy Install, Durable Build, Stable Performance, Perfect For Home, Workshop, Or Office Rock Solid Backup Power And Redundant Systems

250A 4P Dual Power Transfer Switch for 400V AC, 1pc
✔️ 250A, 4P, AC 400V, ≤50ms switching, easy install, durable

This dual power supply transfer switch automatically routes power between two AC sources at up to 250A and 400V AC, making it ideal for home, workshop, or small office backup systems.

✅ Rated current: 250A
✅ Number of poles: 4P
✅ Rated voltage: AC 400V
✅ Switching time: ≤50ms
✅ Color: 250A

💡 What is a dual power supply transfer switch used for in backup power setups? This handy device helps keep essential systems up by quickly switching between power sources. - Automatic source switching between two AC inputs up to 400V - Supports up to 250A in a 4P configuration for reliable protection - Reduces downtime in homes, workshops, or small offices

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