Switch Legrand SUNO stair switch black 10AX 250V automatic terminals (model 721406)

Legrand SUNO stair switch in black (model 721406) is a two-way electrical switch rated 10AX at 250V, designed for controlling lighting circuits from two locations. Its compact design and matte black finish suit residential and commercial interiors, stairways, corridors and rooms where lighting control from multiple points is required. The switch uses automatic (quick) terminals to simplify wiring and improve installation speed while maintaining secure electrical contact.

Advantages

This stair switch provides reliable two-way switching functionality with a 10AX rating suitable for most household and light commercial lighting loads. The automatic terminals reduce installation time and lower the risk of loose connections by offering a quick, secure clamping system. The neutral, black finish integrates easily with modern interior designs and standardized mounting dimensions allow compatibility with common wall boxes and faceplates.

Suitable for

• Controlling staircase and landing lighting from two separate locations
• Corridor and hallway lighting in homes and small commercial premises
• Multi-switch lighting circuits where a two-way switch is required
• Renovation projects and new-build interiors using standard back boxes

Key specifications

• Switch type: two-way (stair) switch
• Rated current and voltage: 10AX, 250V AC
• Terminal type: automatic (quick) terminals for simplified wiring
• Finish and color: black
• Application environment: indoor use for residential and commercial interiors

How to use

Install the Legrand SUNO stair switch into a standard recessed wall box following local electrical codes. Turn off power at the distribution board before connecting wires. Connect the live and switched live conductors and the second-way conductor to the appropriate terminals according to the wiring diagram for two-way switching; the automatic terminals accept stripped conductor ends and secure them with the integrated clamping mechanism. After wiring, restore power and test switching from both locations to confirm correct operation.

Usage recommendations

Use this switch with lighting loads that do not exceed the specified 10AX rating. For installation and maintenance, follow local electrical regulations and, if unsure, involve a qualified electrician. Avoid exposure to moisture and excessive dust; use only for indoor applications.