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  • TW81A / TW81A-A, Self-Amplified Speaker Interking VietNam
  • Characteristics
  • Applied in Paging Intercom System
  • GRP speaker, impact-resistant, corrosion-resistant, IP66 rated
  • Stainless steel mounting bracket and cover screws
  • Built-in power amplifier
  • TW81A: Available for 24VDC
  • TW81A-A: Available for 110~220VAC
  • Cable entry – 1/2″ NPT x 2
  • CNS certified, Ex d IIB+H2 T6 Gb / Ex tD A21 IP65 T85℃
  • CQST certified, Ex d IIC T6 Gb / Ex tD A21 IP66 T80℃
  • IECEx / ATEX certified, Ex db IIC T6 or T5 Gb,Ex tb IIIC T80℃ Db IP66
  • Patent in Taiwan: M460474; Patent in China: ZL 2013 2 0256170.7