DWEX DIGITAL LOUD-SPEAKING EXPLOSION PROOF CALL STATION
User Manual
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1.2 Main specifications
Main specifications are provided in Table 2.
Table 2 – Main specifications of DWEx (beginning)
Parameters Value
Rated voltage, V -48
Supply voltage range, В from -36 to -60
Quiescent current under rated voltage, maximum, mА 25
Number of programmable direct connections/ functions from 2 to 24
Maximum operating current without auxiliary amplifier, maximum, мА 95
Maximum operating current with auxiliary amplifier, maximum, А 1,1
Maximum constant power (external (signal) device circuit), W 60
Maximum switching voltage (external (signal) device circuit), V 60
Maximum switching current DC (external (signal) device circuit ), A 2,0
Maximum power for main amplifier power, maximum W 1,0
Number of Connections from 1 to 6
Speech bandwidth, Hz
Sound pressure level of built-in loudspeaker at the maximum volume, dB 95
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