Securasound Ltd

Bell 719S | Switching Unit 719S

This switching unit provides a means of operating a door entry telephone system from two entrances. Several 719s unit may be combined to extend operation up to a maximum of eight entrances.

Features:

• When a telephone is called from a given entrance, the switching unit connects the telephone to the speech unit of that panel only, for a fixed period.
• Pressing the lock releas button on the telephone operates the lock release at the calling door only.
• Please refer to the technical manual for the appropriate power supply requirements and other features.

Technical Specifications:

• Supply Voltage: 11.5V - 15V RMS 50Hz AC or 11.5V - 15V DC
• Current Consumption: 590mA maximum AC or 290mA maximum DC
• Fail secure Lock output: Same voltage as AC/DC supply, AC if both present 500Ma maximum
• Lock release duration: 3, 5, 10 or 20 seconds
• Active time: 30, 60, 90 or 120 seconds
• Exit input: Normally open contact (must be voltage free)
• Number of Doors: 2 per unit, maximum 0f 8 doors per system

Dimensions:

• H 240 x W 190 x D 50 mm