Lovato GX4075U is a GX series rotary cam changeover switch for dependable 4‑pole, 40 A operation. Designed for U-form front mounting, it features a black handle and a compact 65X65mm front plate to streamline panel layouts. The GX40 designation and square-shaped contact block deliver precise changeover control for source selection and circuit reconfiguration in commercial and industrial control assemblies.
Built for demanding panels, it provides IP65 frontal protection and a 6 kV rated impulse withstand voltage. Operating from -25 to +55 °C, with storage down to -40 °C and up to +70 °C, it suits varied conditions. Compliance includes IEC/EN/BS 60947-1/-3/-5-1 and IEC/EN/BS 61058-1, plus UL60947-4-1 and CSA C22.2 n° 14, with Sustainability certification.
Key Benefits
4-pole changeover switching enables reliable source or circuit selection.
40 A Ith rating supports robust load handling in free air.
IP65 frontal protection resists dust and water ingress at the panel face.
Front mounting with black handle ensures straightforward operator access.
Compact 65X65mm front plate helps maximise enclosure space.
6 kV impulse withstand improves immunity to transient overvoltages.
Operates from -25 to +55 °C for dependable performance in varied climates.
Conforms to IEC/EN/BS, UL and CSA standards for easier compliance.
What’s Included
Lovato GX4075U rotary cam changeover switch
Pre-fitted 65X65mm front plate with black handle
Panel mounting hardware
Installation leaflet
Applications
Source changeover between primary and backup supplies
Panel-mounted control and switching duties
Multi-circuit changeover requiring four poles
Enclosures where IP65 frontal protection is required
Technical Specifications
HS Code
85365080
Product type designation
GX40
Rated impulse withstand voltage Uimp
6 kV
Operating temperature
-25 to +55 °C
Storage temperature
-40 to +70 °C
IP degree (frontal)
IP65
Frequently Asked Questions
What is the current rating of the GX4075U?
It has an IEC conventional free air thermal current (Ith) of 40 A.
Is the switch suitable for front mounting?
Yes. The mounting form is U, for front mounting with a black handle.
What environmental protection does the front provide?
The frontal degree of protection is IP65 when correctly installed.
What standards does it comply with?
It conforms to IEC/EN/BS 60947-1/-3/-5-1 and IEC/EN/BS 61058-1, plus UL60947-4-1 and CSA C22.2 n° 14.
What is the operating temperature range?
The operating temperature is -25 to +55 °C; storage is -40 to +70 °C.
Safety note: Installation must be carried out by a competent person with power isolated. Do not exceed the 40 A Ith or specified environmental limits, and follow IEC/EN/BS standards and local regulations.
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.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
Trusted Manfacturers
● frequently asked questions
Common questions about our products and support
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
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We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
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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...