Users of our SES-ECO series enjoy the benefits of a high-quality siren without serious sacrifices, i.e. voice announcements and other options are possible.

Advantages & Functions

  • Modular system
  • Variable siren signals with DSP (Digital Signal Processing)
  • Extremely high efficiency dB/W
  • Power control of the siren signal
  • Compensation of changes in battery voltage and loudspeaker impedance
  • Short-circuit proof
  • Overtemperature monitoring
  • Silent test of loudspeaker systems
  • Automatic system test
  • Status displays
  • Microprocessor-controlled function monitoring by system
  • Service program for on-site diagnosis
  • Two batteries
  • Output power is 600 W True RMS per amplifier

Technical details


Sound pressure level in dB(A)
at a distance of 30 m
107 - 117dB(A)
Base frequency415 Hz
Number of acoustic radiators4
Air Humidity0% - 100%


Acoustic radiators

Acoustic radiators made ofMaterial ALSi7Mg0,35F - seawater resistant aluminium alloy
Temperature range-50°C to+ 70°C
Set of screwsV2A
Total weight33,1 - 57,7 kg
Dimensions (W x H x D)180°: 830 x 1386 x 160 mm
360°: 830 x 940 x 830 mm
0°:    630 x 2530 x 160 mm

Control unit

Number of power amplifiers1
Power output RMS600 W
Mains voltage230 VAC
Power consumption in standby mode3,5 VA
Power consumption during battery charging93 W
Number of potential free inputs3
Number of potential free outputsoptional 2 potential-free outputs for sum fault and alarm active max. 24 V / 100 mA
Status identification via service interfaceall status messages can be displayed via a service program at the service interface
Battery voltage / capacity (C20) 24 V / 38Ah
Battery capacity18 days with  20 alarms of 1 min. each
Temperature range electronics-40°C to+ 70°C
Temperature range batteries-25°C to+ 60°C
Type of protectionIP 66
Cabinet dimenstions (W x H x D)600 x 600 x 300 mm
Weight59,5 kg
ColorRAL 7035