Lovato GX4010O78 GX40 series rotary cam on/off switch with 3 poles, 40 A rating, rear mounting door coupling and IP65 front protection for industrial control panels.
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Why Choose the Lovato GX4010O78 Rotary Cam On/Off Switch?
The Lovato GX4010O78 is a heavy-duty rotary cam on/off switch designed for reliable manual isolation and switching of three-phase electrical circuits in industrial machinery, control panels and power distribution systems. As part of the Lovato GX40 series, it combines robust construction with dependable switching performance for demanding industrial applications.
This model is a 3-pole on/off switch with a rear mounting door coupling arrangement, allowing the switching mechanism to remain inside the enclosure while the operator controls the switch from the panel door. Its positive 0-1 operation provides clear circuit status for improved operator safety and ease of use.
With a conventional free air thermal current of 40 A, IP65 front protection and suitability for AC motor switching duties, the GX4010O78 is ideal for machine builders, panel manufacturers and industrial electrical installations requiring reliable manual switching.
Key Advantages
Heavy-duty rotary cam on/off switch for industrial applications.
40 A rated current for demanding switching duties.
3-pole switching for three-phase electrical circuits.
Rear mounting door coupling for enclosed control panels.
IP65 front protection against dust and water ingress.
Designed for long service life with robust cam-operated contacts.
Key Features
Lovato GX40 series rotary cam switch.
Switching diagram 10 with 0-1 on/off operation.
3 poles with 2 stable positions.
40 A conventional free air thermal current (Ith).
Rear mounting with door coupling and black handle.
65 × 65 mm front plate.
Screw terminal connections.
Suitable for motor control, isolation and manual switching duties.
Reliable Manual Switching for Industrial Equipment
The Lovato GX4010O78 provides dependable manual switching for three-phase electrical circuits used throughout industrial automation and machinery. The cam-operated contact mechanism delivers positive switching action while the door-coupled design allows safe operation without opening the electrical enclosure.
Manufactured to recognised international standards, the GX40 series offers excellent mechanical durability and electrical performance for machine builders, OEMs and panel manufacturers seeking long-term reliability.
Typical Applications
Industrial control panels.
Machine isolation switches.
Three-phase motor control.
Electrical distribution equipment.
OEM machinery.
Manufacturing and automation systems.
Technical Specifications
Phase
Three Phase
Manufacturer
Lovato Electric
Series
GX40
Model
GX4010O78
Product type
Rotary cam switch
Switch type
On/off switch
Switching diagram
10
Number of poles
3
Number of positions
2 (0-1)
Rated current (Ith)
40 A
Rated insulation voltage (Ui)
690 V AC
Rated operational voltage
440 V AC
Rated impulse withstand voltage (Uimp)
6 kV
Mounting type
Rear mounting with door coupling
Front plate
65 × 65 mm
Mechanical rotation angle
60°
Front protection
IP65
Terminal protection
IP20
Operating temperature
-25 °C to +55 °C
Storage temperature
-40 °C to +70 °C
HS Code
85365080
Frequently Asked Questions
What is the Lovato GX4010O78 used for?
The GX4010O78 is used for manual on/off switching and isolation of three-phase electrical circuits in industrial machinery and control panels.
How many poles does this switch have?
This model is a 3-pole rotary cam switch designed for three-phase applications.
What is the current rating?
The Lovato GX4010O78 has a conventional free air thermal current rating of 40 A.
How is the switch mounted?
The switch is designed for rear mounting with a door coupling mechanism, allowing operation from outside the enclosure.
What protection rating does the front of the switch provide?
The front operating assembly is rated IP65, providing protection against dust and water ingress.
Trusted by Panel Builders Worldwide
Lovato GX rotary cam switches are trusted by panel builders, machine manufacturers and industrial engineers for dependable manual switching, long service life and reliable operation in demanding electrical installations.
Phase
Three Phase
Manufacturer
Lovato Electric
Series
GX40
Model
GX4010O78
Product type
Rotary cam switch
Switch type
On/off switch
Switching diagram
10
Number of poles
3
Number of positions
2 (0-1)
Rated current (Ith)
40 A
Rated insulation voltage (Ui)
690 V AC
Rated operational voltage
440 V AC
Rated impulse withstand voltage (Uimp)
6 kV
Mounting type
Rear mounting with door coupling
Front plate
65 × 65 mm
Mechanical rotation angle
60°
Front protection
IP65
Terminal protection
IP20
Operating temperature
-25 °C to +55 °C
Storage temperature
-40 °C to +70 °C
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.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
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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...