TR 644 top2

Function description

• Digital time switch with yearly and astronomical time program
• 4 channels
• 4 external inputs
• Connectable sensors (external selector switch, sequence timer)
• Connectable switches (ON or OFF permanent switching)
• DuoFix spring terminals
• For 2 conductors each
• Wire or strand (with or without wire end sleeve)
• Wire diameter: 0.5 - 2.5 mm²
• Button for releasing plug-in connection