NB-520W
Manual Call Point
Used as manual alarm at the fire site when the person confirms that there is a fire

• Operating Temperature: -10℃~+50℃
• Operating Humidity : 0 to 95 RH, no condensation or icing
• Operating Voltage: DC12~ 24V
• Operating Current: 1 mA
• Have one N/C (normal close) relay output and one N/O (normal open) relay output
• Weight: 200g