High Quality, User-friendly, Scalable and Open
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Larmia övervakningssystem fastighetsautomation
LS300 Alarm Unit

10 input signals, each with memory, adjustable delay and make (NO) or brake (NC) contacts.
Alarms are displayed as flashing lights until reset, then as fixed lights.
Priority level A or B is selected with jumpers for each input signal.
Buttons for alarm reset and alarm test.
All selections and adjustments are made from the front panel.
Terminal blocks are of plug-in type.
The alarm text can easily be written with a typewriter.
"Power on"-indicator in the front panel.

Technical data

Power requirement: Standard 24V AC/DC
Option: 12V DC
Current consumption: Max 300mA (in standby 60mA) at 24V AC
Priority level contact rating: Max 1A 50V at 24W or 60VA
Adjustable delay: 0,1 - 30 seconds
Priority level contact current: 3mA
Dimensions: W x H x D, 142 x 128 x 45mm

  • H+ supplied alarm signal.
  • Combination of alarms and indications.
  • Individual relay outputs, controlled by the LEDs.
  • Blocking function on alarm outputs (BLK).
  • Buzzer.

Plug-in cards
LS320 Relay card with outputs (NO/NC) for each individual alarm (input controlled) and input for long-distance reset. 


We develop, manufacture and market user-friendly computerized control-, regulation- and monitoring systems for building automation.
Characteristics for our products are:

High Quality, User-friendly, Scalable and Open
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Larmia Control AB
Box 83
S-191 22 Sollentuna
Visiting address
Aniaraplatsen 4, 3tr
Tel: +46 8 - 444 53 00
Fax: +46 8 - 444 53 19
Email: info@larmia.se

Producerad av Camero.