Lovato GLC0320C1 three-pole changeover switch, a 320 A AC manual source transfer switch designed for industrial power distribution, generator changeover systems and electrical control panels.
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Why Choose the Lovato GLC0320C1 Changeover Switch?
The Lovato GLC0320C1 is a heavy-duty three-pole changeover switch designed for reliable manual transfer between two electrical supply sources in industrial and commercial low-voltage installations. As part of the Lovato GLC changeover switch series, it provides dependable AC switching, isolation and source selection for control panels, switchboards and power distribution systems.
This changeover switch is engineered for demanding panel applications where safe operation, clear switching positions and long service life are essential. Its robust screw-on-plate construction allows secure installation inside electrical cabinets, while the I-0-II switch positions provide straightforward selection between supply source one, off and supply source two.
With a rated conventional free air thermal current of 320 A, a three-pole configuration and suitability for AC systems up to 690 V, the GLC0320C1 is ideal for mains and generator changeover, industrial distribution boards, machinery panels and high-current electrical switching applications.
Key Advantages
Heavy-duty 320 A three-pole changeover switch.
Designed for manual transfer between two AC power sources.
I-0-II switching positions for clear source selection and isolation.
Screw-on-plate installation for secure panel mounting.
Suitable for industrial switchboards and generator changeover systems.
Manufactured to recognised IEC/EN low-voltage switching standards.
Key Features
Lovato GLC series changeover switch.
320 A IEC conventional free air thermal current Ith.
Three-pole configuration for three-phase systems.
AC operating voltage switching capability.
Rated operational voltage up to 690 V AC.
Manual I-0-II changeover operation.
Screw-on-plate mounting method.
M10 x 25 terminal connections.
Reliable Changeover Switching for Power Distribution
Changeover switches such as the Lovato GLC0320C1 allow operators to manually transfer electrical loads between two separate supply paths. This is commonly required where equipment must be switched between mains power, standby generators or alternative distribution circuits.
The GLC series is designed for dependable low-voltage switching in industrial and commercial installations. Its high current rating, visible switching positions and robust mechanical construction help support safe operation in demanding electrical distribution environments.
Typical Applications
Mains-to-generator changeover systems.
Industrial power distribution panels.
Commercial electrical switchboards.
Manual source selection in control cabinets.
Motor control centres and machinery panels.
Maintenance and service isolation circuits.
Technical Specifications
Current
320 A
Phase
Three Phase
Manufacturer
Lovato Electric
Series
GLC
Model
GLC0320C1
Product type
Changeover switch
Number of poles
3
Rated current Ith
320 A
Operating voltage type
AC
Switching AC voltage
690 V AC
Rated insulation voltage
1000 V
Rated impulse withstand voltage
12 kV
Switching positions
I-0-II
Installation type
Screw on plate
Mounting type
Screw mounting
Terminal type
M10 x 25
Mechanical durability
10,000 operating cycles
Operating temperature
-25°C to +55°C
Dimensions (H × W × D)
approx. 154.9 × 212.5 × 212.5 mm
Weight
approx. 7.18 kg
EAN
8013975267097
Standards
IEC/EN 60947-1, IEC/EN 60947-3, IEC/EN 60947-6-1
HS Code
85365080
Frequently Asked Questions
What is the Lovato GLC0320C1 used for?
The Lovato GLC0320C1 is used for manual changeover switching between two AC power supplies in industrial power distribution, generator transfer and control panel applications.
What current rating does the GLC0320C1 have?
The GLC0320C1 has a rated conventional free air thermal current of 320 A.
How many poles does this switch have?
This model has a three-pole configuration, making it suitable for three-phase electrical systems.
What do the I-0-II positions mean?
The I-0-II positions indicate source one, off or isolated, and source two, allowing clear manual selection between two electrical supplies.
Where is the GLC0320C1 typically installed?
The switch is typically installed inside electrical panels, switchboards and generator changeover systems using screw-on-plate mounting.
Trusted by Electrical Panel Builders Worldwide
Lovato GLC changeover switches are trusted by electrical engineers, panel builders and maintenance teams for reliable manual source transfer, robust construction and dependable operation in industrial power distribution systems.
Current
320 A
Phase
Three Phase
Manufacturer
Lovato Electric
Series
GLC
Model
GLC0320C1
Product type
Changeover switch
Number of poles
3
Rated current Ith
320 A
Operating voltage type
AC
Switching AC voltage
690 V AC
Rated insulation voltage
1000 V
Rated impulse withstand voltage
12 kV
Switching positions
I-0-II
Installation type
Screw on plate
Mounting type
Screw mounting
Terminal type
M10 x 25
Mechanical durability
10,000 operating cycles
Operating temperature
-25°C to +55°C
Dimensions (H × W × D)
approx. 154.9 × 212.5 × 212.5 mm
Weight
approx. 7.18 kg
EAN
8013975267097
Standards
IEC/EN 60947-1, IEC/EN 60947-3, IEC/EN 60947-6-1
HS Code
85365080
No documents available for this product.
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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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...