Flameproof Alarm Loudspeaker
Voice loudspeaker with built-in amplifier. TW81D: 24VDC; TW81D-A: 110~220VAC

Features
One-piece GRP construction, resistant to impact and corrosion, with IP66 ingress protection
Stainless steel mounting bracket and screws
Power: 15W
Records voice through a MIC for direct playback
Alarm messages can be edited on a computer and written to the device
Alarm-triggered voice playback, activated by power-on or a dry contact trigger
Digital addressable design with remote alarm triggering and loudspeaker fault detection
CNS certification: Ex d IIB+H2 T6 Gb X / Ex tD A21 IP65 T85℃ X
CQST certification: Ex d IIC T6 Gb / Ex tD A21 IP66 T80℃
IECEx / ATEX certification: Ex db IIC T6 or T5 Gb，Ex tb IIIC T80℃ Db IP66
ABS type approval No.: 17-SQ1594490-PDA
CR type approval No.: 913-17-002
TW81D: 24VDC
TW81D-A: 110~220VAC
Cable entries: 1/2″ NPT x 2
Taiwan utility model patent No. M 460474; Mainland China patent: ZL 2013 2 0256170.7