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.
Technical Specifications
Voltage
230 V
Phase
Single Phase
IP Rating
IP40
Series
ATL Series
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
HS Code
85389091
Frequently Asked Questions
What is the Lovato ATL100 used for?
The ATL100 is used to monitor and automatically transfer between two single-phase power sources in standby and backup power systems.
How many power sources can the ATL100 manage?
The controller is designed to manage two independent power sources.
What voltage range does the ATL100 support?
The ATL100 supports an operating voltage range of 80–300 V AC with a rated supply voltage of 110–230 V AC.
Can the ATL100 be DIN rail mounted?
Yes, the controller is designed for 35 mm DIN rail mounting and can also be screw mounted if required.
What applications is the ATL100 suitable for?
The controller is suitable for generator transfer systems, backup power installations, emergency power systems and industrial switchboards.
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.
Voltage
230 V
Phase
Single Phase
IP Rating
IP40
Series
ATL Series
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
HS Code
85389091
No documents available for this product.
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Standard delivery: 2–3 working days
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Express options available — contact us for details
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...