Lovato transfer switch controller for 2 power sources 110-230vac supply

Why Choose the Lovato ATL100 Automatic Transfer Switch Controller?

The Lovato ATL100 is a compact and reliable automatic transfer switch (ATS) controller designed for monitoring and managing two independent single-phase power sources in industrial and commercial power distribution systems. As part of the advanced Lovato ATL series, this controller provides dependable automatic source switching for applications requiring continuous power availability and supply redundancy.

Designed for panel builders, electrical contractors and automation engineers, the ATL100 offers simple and efficient management of transfer switching systems. Its modular DIN rail format allows fast installation inside switchboards and control panels, while the integrated monitoring functions ensure reliable supervision of incoming power sources.

With support for single-phase 80–300 V AC monitoring and automatic management of two power sources, the Lovato ATL100 is ideal for standby power systems, generator transfer applications and critical power installations requiring uninterrupted supply continuity.

Key Advantages

• Compact automatic transfer switch controller for two power sources.
• Single-phase voltage monitoring with TRMS measurement.
• Automatic source transfer management for standby systems.
• Compact 3-module DIN rail housing for switchboard integration.
• Reliable monitoring and switching control for power continuity.
• Suitable for industrial, commercial and backup power systems.

Key Features

• Lovato ATL series ATS controller.
• Management of two power sources.
• Single-phase voltage control.
• 80–300 V AC operating voltage range.
• 110–230 V AC rated supply voltage.
• TRMS voltage measurement technology.
• Three relay outputs for transfer switching control.
• DIN rail modular housing design.

Technical Specifications

• Manufacturer: Lovato Electric
• Series: ATL Series
• Model: ATL100
• Product type: Automatic transfer switch controller
• Controlled power sources: 2
• Voltage input type: Single-phase
• Rated supply voltage: 110–230 V AC
• Operating voltage range: 80–300 V AC
• Rated frequency: 50 / 60 Hz
• Operating frequency range: 45–66 Hz
• Power consumption: 7 VA maximum
• Measurement method: True RMS (TRMS)
• Relay outputs: 3
• Mounting type: 35 mm DIN rail / screw mounting
• Protection rating: IP40 front / IP20 terminals
• Dimensions (W × H × D): 53.5 × 104.7 × 63 mm
• Weight: approx. 220 g

Reliable Automatic Transfer Switching

Automatic transfer switch controllers continuously monitor incoming power supplies and automatically transfer loads between primary and backup sources when voltage conditions fall outside preset limits. This ensures continuous operation of critical electrical systems and minimises downtime during supply interruptions.

The Lovato ATL100 is engineered for compact switchboard installations where dependable source monitoring and automatic transfer functionality are essential. Its modular design and simplified operation make it suitable for generators, UPS systems and emergency power applications.

Typical Applications

• Automatic mains-to-generator transfer systems.
• Backup power management installations.
• Industrial and commercial switchboards.
• Critical power continuity systems.
• Emergency standby power applications.
• Small generator transfer control panels.

Trusted by Power System Engineers Worldwide

Lovato ATL series automatic transfer switch controllers are widely used by electrical engineers and panel builders for reliable power source monitoring and dependable automatic transfer switching in critical power applications.