Lovato GX4091U is a front-mounted two-pole ON/OFF rotary cam switch with a 40 A thermal current rating, 690 V insulation voltage, 15 kW three-phase AC-3 rating at 380–440 V and IP65 frontal protection.
£64.43
The Lovato GX4091U is a robust two-pole ON/OFF rotary cam switch designed for reliable manual switching of industrial electrical circuits. Part of the Lovato GX40 rotary cam switch series, it combines a 40 A thermal current rating with front mounting and a black operating handle for straightforward integration into control panels and machinery.
The GX4091U uses Lovato switching diagram 91, providing a two-pole ON/OFF switching function. Its front-mounted construction incorporates a 65 × 65 mm front plate, while screw terminals accommodate both rigid and flexible conductors for practical industrial installation.
With a conventional free air thermal current of 40 A, a rated insulation voltage of 690 V and IP65 frontal protection, the GX4091U provides dependable manual circuit control in industrial equipment. The switch is also rated for three-phase AC-3 motor loads up to 15 kW at 380–440 V.
Rotary cam switches provide direct manual control of electrical circuits through a mechanically operated contact mechanism. Their positive switching action makes them suitable for ON/OFF control, isolation and motor switching duties in machinery, control panels and industrial electrical equipment.
The Lovato GX4091U combines a two-pole ON/OFF switching arrangement with substantial AC load ratings, durable mechanical construction and protected front operation. Its compact front-mounted format makes it suitable for machine builders and electrical engineers requiring dependable manual switching from a control panel.
| HS Code | 85365080 |
|---|---|
| Manufacturer | Lovato Electric |
| Series | GX40 Rotary Cam Switches |
| Model | GX4091U |
| Product type | Rotary cam switch |
| Switch function | ON/OFF switch, 2 poles |
| Switching diagram | 91 |
| Number of elements | 1 |
| Mounting type | Front mounting with black handle |
| Rated thermal current Ith | 40 A |
| Rated insulation voltage Ui | 690 V IEC/EN |
| Rated operational voltage | 440 V |
| Rated impulse withstand voltage Uimp | 6 kV |
| Operational current AC-1 / AC-21A | 40 A |
| Three-phase AC-3 power at 220–230 V | 7.5 kW |
| Three-phase AC-3 power at 380–440 V | 15 kW |
| Three-phase AC-3 power at 500–690 V | 15 kW |
| Power dissipation | 1.6 W |
| Terminal screws | M4 |
| Maximum terminal tightening torque | 1.2 Nm |
| Flexible conductor size | 1.5–6 mm² |
| Rigid conductor size | 1.5–10 mm² |
| Mechanical life | 1 × 106 cycles |
| Protection rating | IP65 front / IP20 terminals |
| Operating temperature | -25 to +55 °C |
| Storage temperature | -40 to +70 °C |
| Weight | 206 g |
The Lovato GX4091U is a two-pole ON/OFF rotary cam switch designed for manual switching of electrical circuits and compatible motor loads in industrial applications.
The GX4091U has an IEC/EN conventional free air thermal current rating of 40 A.
For three-phase AC-3 applications, the GX4091U is rated at 15 kW at 380–440 V.
The switch provides IP65 frontal protection and IP20 protection at the terminals.
The GX4091U is designed for front mounting with a black handle and uses a 65 × 65 mm front plate.
Lovato GX rotary cam switches provide durable manual switching for industrial machinery, motor control systems and electrical installations requiring reliable front-panel operation.
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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...