POA176- Ex

Audio

Highlights

Functions

Technical Specifications

Specifications

Weight
about 375 g
Color
blue
PTT key
none
VOX
none
Emergency key
none
Headset connector
QR4 male (NEXUS)
Microphone sensitivity
–50±4 dB @ 1 kHz 3.0 V 2.2 K, 0 dB = 1 V/Pa
Speaker power
200 mW (rated),500 mW (max.)
Speaker impedance
2x150 Ω±15% @ 1 kHz
Speaker frequency response
82±3 dB @ 1 kHz 0.2 W/50cm
Hearing Protector Attenuation
SNR 30dB, according to EN352-3:2002<br/>NRR 24dB, according to ANSI S3.19-1974
Ingress protection
IP54
ATEX certification
Ex ib IIC T4 Ex ib IIIC T110℃
Operating temperature
–20℃ to 50℃
Storage temperature
–20℃ to 65℃
Note
For use on the helmet in combination with POA63-Ex, SM24N2-Ex or SM24N10-Ex in hazardous areas of ATEX zone 1

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