203 Smoke Alarm

Keywords: Residential Smoke Alarm, Interconnect, DC 9 V, AC Power, Sounder

203 AC smoke alarms provide smoke detection and alarm functions within a single unit.
Advanced electronics in conjunction with a photoelectric smoke sensing chamber provide early detection of fire and high immunity against unwanted alarms.
203 AC smoke alarms are available as mains powered with battery backup, or battery-only models, and are suitable for general residential applications.
The 203 AC smoke alarm range provides home owners and installers with an easy-to-install, economical solution for life safety and property protection applications.



·Photoelectric smoke sensing chamber technology

·Integrated indicator provides visual indication of an alarm condition

·Test and Hush features in a single button
·Test button verifies battery and alarm operation
·Hush feature to temporarily silence unwanted alarms
·Loud 85 dB sounder to alert occupants
·Surface-mount device (SMD) circuit board design
·Separate AC mains power LED indicator
·Safe mains power disconnect when changing battery
·Battery-only models available with 10-year lithium-ion orcarbon-zinc batteries
·30 day low battery warning signal
·Battery missing indicator prevents the unit from beinginstalled without the backup battery fitted
·Twist-on mounting base
·Tamper-resistant locking pin
·Interconnection function available to connect up to 38 unitstogether
·Easy installation
·Low maintenance

Ordering Information

203-005, 203-006

  • Yinzhou district Ningbo, Zhejiang, China 315137
  • Tel:+86 574 8281 7218
  • Fax:+86 574 8300 1379
  • Email:sales@numens.com

© 2018 Ambest Electronics (Ningbo) Co Ltd (中国浙江省,宁波市,鄞州区 邮编:315137 )