自动报警 电话插孔

品牌	--	型号	HY5714B总线消防电话插孔
类型	消防电话系统	工作电源	24V
环境温度	-10～55（℃）	环境湿度	≤ 95（%）
安装尺寸	110mm x 90mm x 40 mm（长 x 宽x 深）

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