J-SAP/NW2121 type manual alarm button is a kind of manually actuated fire alarm device. When the fire happens in the protective area, as long as the witness presses the front faceplate it can send alarm signal to frie alarm controller. This button is convenient to operate and may be used repeatedly. Besides this alarm button is equipped with fire branch telephone connector, isand the main telephone connector of alarm controller make up of fire-fighting speaker-telephone.

NW2121 Intelligent Manual Call Point
. Addressable Manual Call Point (MCP) re-settable with a key
. Additional volt free contacts for local interfacing (i. E. PTZ camera preset)
. Two part plug-in construction with base mounted termination allows for easy installation and connection
. MCP can be addressed and plugged in to base at time of commissioning.
. Electronically addressed
. Suitable for semi-flush and surface mount installation
Technical Specifications
. Operating voltage: Loop 16V~28V
. Operating current:
Monitoring current: 0.3mA
Alarm current: 2mA
. N/O output contact: Rated 60VDC, 0.1A
. Contact resistance: 100Ic
. Operating environment:
Temperature: -10A?C~+ 50A?C
Relative humidity: 95%
. Dimension: 119mm x 92mm x 47mm FixSize: 65mm