Flameproof Loudspeaker with Built-in Amplifier
TW81A: 24VDC; TW81A-A: 110~220VAC

Features
For public address / intercom systems
One-piece GRP construction, resistant to impact and corrosion, with IP66 ingress protection
Stainless steel mounting bracket and screws
Built-in power amplifier
TW81A: 24VDC
TW81A-A: 110~220VAC
Cable entries: 1/2″ NPT x 2
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
Taiwan utility model patent No. M 460474; Mainland China patent: ZL 2013 2 0256170.7