E2S HA121 Electronic Siren, Buzzer, Claxon & Bell


The E2S HA121 reproduces the sounds made by legacy electro-mechanical Signalling Devices but in a modern, reliable and cost effective way.

With output levels of up to 121dB(A) at 1 metre the E2S HA121 surpasses legacy electro-mechanical devices in performance and effectiveness, it is also continuously rated, requires no maintenance and the signal quality will not degrade with age.

E2S HA121 Electronic Siren, Buzzer, Claxon and Bell

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Automatic synchronisation on multi-sounder system
Continuously rated
Stainless steel fixings
Unit can be mounted using external lugs or internal BESA compatible fixing positions
Duplicate cable terminations (in and out for daisy-chain installations)
Tropicalisation available on request.
Nominal output: 121dB(A) @ 1m +/- 3dB -
Tone 2 [112dB(A) @ 10ft/3m]
No. of tones: 5
No. of stages: 3
Volume control: max. 121dB(A), min. 112dB(A) approx
Effective range: 300m/984ft @ 1KHz
Voltages DC: 24V dc (10-30V dc)
Voltages AC: 115V ac; 230V ac
Ingress Protection: IP66
Housing material: High impact UL94 V0 & 5VA FR ABS
Color: Red (RAL3000) & grey (RAL7038)
Cable entries: 2 x M20 clearance gland knockouts in side & back
Terminals: 0.5 to 4.0mm² cables
Operating temperature: -25 to +55°C, -13° to +131°F
Storage temperature: -40 to +70°C, -40° to +158°F
Humidity: 90% RH at 20°C/68°F
Weight: DC: 2.10kg/4.62Ibs
AC: 2.70kg/5.94Ibs