Power Transfer

Mini ATS 3P/4P 100A Dual Power Changeover Switch

Walax mini automatic transfer switch in 3P and 4P rated to 100A. A space-saving generator-transfer solution for three-phase installations where full-size ATS cabinets are impractical.

Compact Mini Body

Reduced footprint for installation inside standard three-phase distribution boards.

100A Three-Phase

Full 100A three-phase generator transfer for commercial and light-industrial backup.

Generator Auto-Start

Integrates the generator start signal for hands-free mains-to-generator transfer.

Specifications

Technical Specifications

Standard ratings listed below – custom configurations available on request. Contact our engineers to confirm parameters for your market.

StandardIEC 60947-6-1 · CE
Rated current (In)100A
Poles3P / 4P
Rated voltageAC 400V (50/60Hz)
Transfer typeAutomatic (generator transfer)
Operating modeAuto / Manual
Transfer timeAdjustable
Mechanical interlockBuilt-in
Electrical life≥ 6,000 operations
Mechanical life≥ 10,000 operations
Mounting35mm DIN rail
Ambient temperature-5°C to +40°C
Applications

Where These Switches Ship

Three-phase generator backup in commercial buildings, workshops and agricultural installations where a compact DIN-rail ATS fits inside the existing board.

FAQ

Frequently Asked Questions

It has a smaller DIN-rail body for installation inside distribution boards, while offering the same automatic transfer function at 100A.
Yes – the controller closes the generator start contact on mains failure and transfers the load automatically.
Yes – 4P switches all three phases plus neutral for complete isolation where required.
IEC 60947-6-1 type-test reports and CE documentation ship with every order.
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