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Intrinsically Safe Certifications

Ambient temperature range -20° C ≤ Ta ≤+55° C

Conditions of Acceptability:
  • This radio accessory is only intended for connection to intrinsically safe radios that have been evaluated to have intrinsically safe (entity) parameters at the accessory connection.

  • The maximum capacitance of the Remote Speaker Microphone (RSM) back metal clip is 6.95 pF.

Certifications

Class I, Division 1, Groups A, B, C, D T4 Class I, Zone 0, AEx ia IIC T4 Ga Ex ia IIC T4 Ga

IEC 60079-11 Edition 6.0 2011-06

IEC 60079-0/COR1:2020 Edition 7.0 2017-12

IEC 60079-11 CORREGENDUM 1: 2023 Edition 7.0 2023-01