
HG140AC
The PSA HomeGuard HG140AC smoke alarm features a 140mm wide hinged baseplate for easy installation and maintenance. Its advanced photoelectric sensor detects all common fire types, helping keep your home safe. A simple test/hush button makes operation easy, while red and green LEDs provide instant status updates. Use the HG140AC as a standalone unit or interconnect up to 48 alarms for complete home coverage. Backed by a 10-year warranty, it’s built for long-term peace of mind.

Photoelectric Sensing Technology
Effectively senses smoldering fires, offering enhanced safety for all occupants.

Ultra Small Insect Screen
Effectively senses smoldering fires, offering enhanced safety for all occupants.

Flexible and Scalable
Operates as a single unit or can interconnect with up to 48 alarms. Ideal for comprehensive coverage in multi-room or multi-level properties.
Extra Wide Mounting Base
New design with an extra-wide 140mm base for quick and secure installation.
Spec | Description |
SENSOR TYPE | photoelectric |
SUPPLY VOLTAGE | 240VAC 50Hz |
POWER CONSUMPTION | 6mA |
BATTERY BACK-UP | 9V battery replaceable |
INTERCONNECTING | Up to 48. 150m Max |
ALARM VOLUME | 85dB at 3m |
ALARM SIGNAL PATTERN | ISO8201 sound pattern |
TEMPERATURE RANGE | 0 to 45C |
HUMIDITY RANGE | 5% to 95% |
HUSH FUNCTION | Yes – approx 10mins. Red led flash every 10s |
LOW BATTERY | Red Led flash every 60s and chirp |
ALARM DURATION | While smoke is detected |
ALARM INDICATION | Red led flashing rapidly |
ALARM MEMORY | None. |
CHAMBER MONITORING | None |
INDICATOR LEDS | Red and Green |
WIRING TERMINAL | Active/ Interconnect/ Neutral/ Loop |
DIMENSIONS | 140mm Dia x 38mm H |
APPROVALS | AS3786:2014 |
WARRANTY | 10 years |