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Auer Ex Classified Signal Horn mHPT

  • Strong, well-designed signal horn
  • For use in Zone 1 and 2
  • Insulation class ll
  • IP54, -20 to +70 ° C

Product description

Strong well-designed horn for use in areas exposed to explosions in zones 1 and 2.

The housing is made of impact resistant synthetic material.

Insulation class ll.

DC models with electronic switch.


Articles Nominal current max Nominal current min Operating Voltage AC Max Operating Voltage AC Min Supply Voltage DC Max Supply Voltage DC Min
0,15 A 0,15 A 122,5 V AC 103,5 V AC
0,07 A 0,07 A 253 V AC 207 V AC
0,3 A 0,3 A 26,4 V DC 21,6 V DC



Ex/ATEX Signal horn, 110 V ac, MHPT

spinner symbol


Color House Black
IP Class IP54
Nominal current max 0,15 A
Nominal current min 0,15 A
Number of tones 1
Operating Voltage AC Max 122,5 V AC
Operating Voltage AC Min 103,5 V AC
Sound level max 108 dB
Sound level min 108 dB
Temperature range from -20 °C
Temperature range to 60 °C
Terminal connection 2,5 mm²
Weight 500 g

Measurements and connections

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