GX4010O78 - 3P 2POS.CAM SWITCH DOOR-COUPLING

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.

Technical Specifications

• 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

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.

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.