Siemens 7LF6311

Siemens digital industrial staircase time switch 7LF6311

Manufacturer: Siemens Digital Industries
Designation: Staircase time switch
Voltage: 230V
Type: 7LF6311
Function: Electronic
Mounting type: DIN rail
Width in units of pitch: 1
Installation depth: 64 mm
Number of contacts (normally open): 1
Control voltage 1: 230 V
Control voltage type 1: AC
Frequency of control voltage 1: 50-60 Hz
Control voltage 2: 8-230 V
Control voltage type 2: AC/DC
Frequency of control voltage 2: 50 Hz
Rated switching current: 16 A
Off-delay: 0.5-12 min
Push-button glow lamp current: 50 mA
Circuit type: 3- and 4-wire circuit
Switch-off early warning: Flickering
Current surge function selectable: No
Post-switching: Post-switchable + continuous light
Supply voltage: 230 V
Voltage type of supply voltage: AC
Max. lamp load: 2000 W
Incandescent lamp load: 2000 W
Max. fluorescent lamp load: 1000 VA
Max. fluorescent lamp load (duo circuit): 1000 VA
Max. fluorescent lamp load (parallel compensated): 1000 VA
Fluorescent lamp load (parallel compensated): 1000 VA
Max. switching power LED: 1000 W
Max. switching capacity LED: 1000 W

The Siemens digital industrial staircase timer 7LF6311 is designed for time-controlled switching of staircase lighting. It features a 230V supply, 1 normally open contact rated at 16A, and operates at 50Hz. The timer includes a separate multi-voltage input of 8-230V AC/DC and offers 7 selectable functions with a time range of 0.5 to 12 minutes. It supports 3- and 4-wire detection and has a maximum glow lamp current of 50 mA. The 7LF6311 staircase timer provides safety, comfort, and energy savings, with a flickering light warning for impending switch-off.