Intrinsically Safe Sounder Beacon

Product Overview

The I.S. combined Sounder Beacon is a compact combined 100dB(A) alarm sounder and LED beacon  with an array of six high output LEDs. Typically one Zener barrier or galvanic isolator is required to run both sounder & beacon or alternatively the unit can be operated as individual signals.

Approvals include ATEX, IECEx and GOST-R for Zone 0 applications and FM approval for Class I Division 1 and Class I Zone 0 applications.

The I.S. Sounder Beacon is suitable for all intrinsically safe signalling applications including fire, security and process control.


Voltage Range

16-28Vdc via Zener barrier or galvanic isolator

Nominal Current Consumption

30mA at 24V DC

Flash Modes

Double flash at 2Hz and 1Hz

Effective Intensity Candela


Sound Output (nominal) at 1m +/- 3dB – Tone 2a




Temperature Range

-40 to +60°C

Protection Rating


Body Colours

Red (RAL3000)

Lens Colour


Item Numbers

205-0111 I.S. Sounder Beacon Red Body, Red Lens
205-0115 I.S. Sounder Beacon Red Body, Amber Lens
205-0116 I.S. Sounder Beacon Red Body, Clear Lens