GLCMB0100D024UL Lovato 3 Pole 100A 690V Motorised Changeover Switch
Lovato GLCMB0100D024UL motorised three-pole changeover switch with 100 A UL rating, 24 V DC motor supply and UL 1008 certification for automatic transfer switch applications.
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Why Choose the Lovato GLCMB0100D024UL Motorised Changeover Switch?
The Lovato GLCMB0100D024UL is a high-performance motorised three-pole changeover switch designed for automatic transfer between two power sources in commercial, industrial and critical infrastructure applications. Certified to the UL 1008 standard, it provides dependable source switching for standby generators, UPS systems and emergency power installations.
As part of the trusted Lovato GLCM series, this motorised changeover switch combines robust switching performance with reliable automation. The integrated motor operator ensures fast and dependable transfer between power sources, while the compact design allows straightforward installation within switchboards and power distribution panels.
With a 100 A UL current rating, three-pole configuration and a 24 V DC motor supply, the GLCMB0100D024UL is ideally suited to automatic transfer switch (ATS) systems where uninterrupted power is essential.
Key Advantages
Motorised automatic changeover switch for standby power applications.
100 A UL rated current suitable for commercial and industrial installations.
Three-pole configuration for three-phase electrical systems.
Certified to UL 1008 for transfer switch applications.
24 V DC motor supply ideal for battery-backed control systems.
100 kA short-circuit withstand rating with suitable fuse protection.
Mechanical life of up to 20,000 operating cycles.
Screw mounting with front power terminals.
Reliable Automatic Power Source Transfer
Motorised changeover switches automatically transfer electrical loads between the primary utility supply and a secondary power source such as a standby generator or UPS. This minimises downtime during power interruptions while maintaining continuous operation of critical electrical equipment.
The Lovato GLCMB0100D024UL is engineered for demanding transfer applications, providing dependable switching performance, high short-circuit withstand capability and a long mechanical service life for critical power systems.
Typical Applications
Automatic transfer switch (ATS) panels.
Standby generator installations.
UPS systems.
Industrial power distribution.
Commercial buildings.
Critical infrastructure and emergency power systems.
Technical Specifications
Current
100 A
Voltage
690 V
Phase
Three Phase
IP Rating
IP00
Manufacturer
Lovato Electric
Series
GLCM
Model
GLCMB0100D024UL
Product type
Motorised changeover switch
UL standard
UL 1008
Rated current (UL)
100 A
IEC thermal current (Ith)
160 A
Number of poles
3
Motor operating voltage
24 V DC
Operating voltage range
19.2 to 31.2 V DC
Motor rated current
2.7 to 3.3 A
Motor in-rush current
5.4 to 6.6 A
Maximum operating voltage
600 V AC (UL)
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp)
12 kV
Short-circuit rating
100 kA rms with Class J 100 A fuse
Mechanical life
20,000 cycles
Mounting type
Screw mounting
Operating temperature
-25°C to +55°C
Weight
Approx. 8.15 kg
HS Code
85365080
Frequently Asked Questions
What is the Lovato GLCMB0100D024UL used for?
It automatically transfers electrical loads between two independent power sources, such as the mains supply and a standby generator.
What is the rated current of this changeover switch?
The GLCMB0100D024UL has a 100 A UL rated current.
How many poles does the switch have?
This model features a three-pole configuration for three-phase electrical systems.
What control voltage does the motor operator require?
The integrated motor operator operates from a 24 V DC supply with an operating range of 19.2 to 31.2 V DC.
Which applications is this switch suitable for?
It is ideal for automatic transfer switch panels, standby generators, UPS systems and other critical power installations requiring uninterrupted source transfer.
Trusted by Power Distribution Professionals
Lovato motorised changeover switches are trusted by panel builders, electrical contractors and industrial engineers to provide reliable automatic source transfer and dependable performance in critical power distribution applications.
Current
100 A
Voltage
690 V
Phase
Three Phase
IP Rating
IP00
Manufacturer
Lovato Electric
Series
GLCM
Model
GLCMB0100D024UL
Product type
Motorised changeover switch
UL standard
UL 1008
Rated current (UL)
100 A
IEC thermal current (Ith)
160 A
Number of poles
3
Motor operating voltage
24 V DC
Operating voltage range
19.2 to 31.2 V DC
Motor rated current
2.7 to 3.3 A
Motor in-rush current
5.4 to 6.6 A
Maximum operating voltage
600 V AC (UL)
Rated insulation voltage (Ui)
1000 V
Rated impulse withstand voltage (Uimp)
12 kV
Short-circuit rating
100 kA rms with Class J 100 A fuse
Mechanical life
20,000 cycles
Mounting type
Screw mounting
Operating temperature
-25°C to +55°C
Weight
Approx. 8.15 kg
HS Code
85365080
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Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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Customers supported
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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...