Lovato’s GX3251U changeover switch is a rotary cam device from the GX series, designed for reliable source or circuit selection. This 1‑pole, 32A unit features U front mounting with a black handle and a compact 65×65 mm front plate. It offers IP65 frontal protection and a robust 6 kV impulse withstand capability.
Built on the GX square-shaped contact block, this selector switch operates from -25 to +55 °C and stores from -40 to +70 °C. It conforms to IEC/EN/BS 60947 and related standards, plus UL and CSA, supporting global compliance. The 51 switching diagram covers 1‑pole changeover applications in industrial control panels.
Key Benefits
32 A Ith rating for dependable single‑pole changeover duty.
IP65 frontal protection defends against dust and water jets.
Compact 65×65 mm front plate saves valuable panel space.
U front mounting with black handle enables fast, tidy installation.
6 kV Uimp withstand improves resilience to transient overvoltages.
Operates from -25 to +55 °C for harsh industrial environments.
What’s Included
Lovato GX3251U changeover switch unit (GX32, 1‑pole 32A)
Pre-fitted black rotary handle and 65 x 65 mm front plate
Manufacturer product datasheet (downloadable)
Basic installation and safety information
Applications
Manual changeover between two power sources or circuits (1‑pole)
Machine and process control panels requiring reliable source selection
Test benches and maintenance bypass switching
OEM panel building and retrofit upgrades
Technical Specifications
HS Code
85365080
Product type designation
GX32
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 GX3251U?
It has an IEC conventional free air thermal current (Ith) of 32 A and is a 1‑pole changeover device.
How is this switch mounted and operated?
Mounting form U—front mounting with a black handle—and a 65X65mm front plate for panel installation.
What ingress protection does the front offer?
The frontal degree of protection is IP65 when correctly mounted to the panel.
What temperature ranges are supported?
Operating temperature is -25 to +55 °C; storage temperature is -40 to +70 °C.
Which standards does the GX3251U conform to?
It conforms to IEC/EN/BS 60947-1, 60947-3, 60947-5-1, 61058-1, plus UL60947-4-1 and CSA C22.2 n° 14.
Safety note: Install and wire only by qualified personnel. Always isolate power before work, follow the 51 switching diagram, and ensure proper panel sealing to maintain the IP65 frontal rating.
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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...