The automatic staircase switch KL-4000 meets the needs of buildings in the field of time-controlled lighting. 

Technical specifications:

• Provides the advantage of applying both electrical installation designs in the same product (3 wires & 4 wires)
• Minimum setting time of 30 seconds and maximum of 7 minutes
• Activation of time-controlled lighting with a simple press of the button
• Renewal of the preset lighting time with a simple press of the button
• Warning for the end of lighting time with a double flash 20 seconds before the preset time expires
• Constant lighting operation for 1 hour (activation-deactivation with a button press longer than 5 seconds and confirmation with a triple flash in the lighting)
• Installation of an unlimited number of simple press buttons and up to 50 buttons with an indicator light
• 2-position switch for constant and time-controlled lighting
• Conductor terminals: From Ø 1mm to Ø 6mm
• Operating voltage: 230V-AC/40-60Hz
• Control power: 16A-250V-AC(2500W) resistive load