Ensure safety with the advanced SYSTEM SENSOR Photoelectric Smoke Detector.
Ensure safety with the SYSTEM SENSOR Photoelectric Smoke Detector, featuring reliable 12/24VDC operation and battery backup. Its advanced microcontroller offers essential features like a hush function, interconnectivity for up to 24 units, and easy chamber access for cleaning. Protect your home or business with a dependable alarm that prioritizes your peace of mind.

Let’s explore its impressive features:
Features:
- Power Supply:
- Operates on 12/24VDC power supply.
- Includes 9VDC battery backup for reliability.
- Interconnectivity:
- Can interconnect up to 24 units for enhanced safety.
- Compatible with 2012H units when using 12V supply voltage.
- User-Friendly Features:
- Built-in silence/test push button for convenience.
- Audible and visual indications for low battery and chamber test failures.
- Maintenance:
- Easy access to chamber for cleaning via a simple quarter turn.
- Check for low chamber faults performed in standby mode.
- Alarm Features:
- 8 seconds delay on alarm activation to reduce false alarms.
- 5 seconds delay for resetting the alarm after it stops.
- Audible indication synchronized with LED blinking during silencing period.
Ensure your safety and peace of mind—purchase the SYSTEM SENSOR Photoelectric Smoke Detector today!
Product Code:
201224AUSI
System Description:
Photoelectric 12/24VDC Smoke Detector with Battery Backup - 2012/24AUSI
The 2012/24AUSI is an AS 3786 listed photoelectric smoke-alarm. Integrating a powerful microcontroller, it provides many useful features to meet various customer requirements.
Power Supply:
May be powered from a full wave rectified DC power supply, or from a 12/24VDC control panel or equivalent.
Includes a 9VDC battery backup.
Interconnectivity:
Can be interconnected up to 24 units.
Can also be interconnected with 2012H when all work at 12V supply voltage up to 12 units.
Maintenance:
Chamber can be accessed for cleaning by a simple quarter turn of chamber cover.
Supplied complete with mounting ring.
Operational Features:
12-24VDC operation.
HUSH feature.
Test push button.
One Form ‘C’ Relay activates on either local alarm or SIGRLY interconnected signal received.
8 seconds activating delay on alarm.
5 seconds resetting delay after alarm stops.
Check for low chamber fault performed when in standby.
Audible indication synchronized with LED blinking during silencing period.
Visual and audible indication when chamber test fails.
Physical Dimensions:
Size: 55 mm (H) x 135 mm (diameter).
Technical Specifications:
Brand: SYSTEM SENSOR
Finish: White
Working Voltage: 12 Vdc to 24 Vdc
Battery Backup: Yes
Depth in mm: 55
Overall Length in mm: 135
Width in mm: 135


