Backup automatic power transfer switch for generators | solar | photovoltaic systems | 4P | 100A | 400VAC/DC

Technical Specifications:

Inputs: Main grid + Generator

Voltage: 400 V AC / DC

Number of poles: 4P

Current: 100 A

Power switching: Automatic, with manual and remote control options

Contact material: Red copper – better conductivity and lower thermal stress

Enclosure material: DMC (reinforced plastic, heat‑ and impact‑resistant)

Safety certifications: CE, CB, TUV, RoHS, CCC

Control:

Automatic mode: switches automatically and returns to initial position after 60 s

Emergency manual control – turned 90° by handle

Remote control via terminals 102–105

Mechanical locking for 1–3 padlocks (to prevent accidental switching)

Features:

Automatic transfer when main power fails

Return to initial state after restoration with 60 s delay

Emergency manual operation via 90° handle twist

Remote control available on outputs 202–205

Protection against accidental operation – mechanical lock

Clear selector key positions: automatic/manual

Applications:

Residential houses

Commercial facilities: shopping centres, offices, healthcare institutions

Industrial sites: workshops, factories, farm complexes

Uninterruptible power systems

Server rooms and IT infrastructures requiring continuous power supply

Advantages:

Suitable for both AC and DC networks (universal system)

Certified to multiple safety standards (CE, TUV, etc.)

Red copper contacts – high overload resistance

Mechanical and remote control – flexibility in all situations

Ability to mechanically lock switch position – safer operation

Reliable protection against unexpected switching in emergencies

Disadvantages:

Requires proper installation – recommended for qualified personnel only

Manual control is intended for emergency use, not frequent operation

Larger than some simpler transfer switches – requires more space in distribution panel

Summary:
An Automatic Transfer Switch (ATS) – a professional, high-end solution designed for uninterrupted power supply in critical facilities. Its abilities for automatic switching, remote control and emergency manual operation ensure both reliability and safety. Built with durable construction, certifications and high-quality materials.