Bosch PM1-LISS Speaker line isolator system loudspeaker line isolator module F.01U.288.245

Provide redundant speaker loops for public address and voice alarm systems To a large extent eliminates the need for expensive E30 cables, greatly reducing the cost and complexity of installation Each master control unit has six speaker loops, and each loop has up to 50 isolator boards Use 24 and 48 VDC backup power supply Walk test mode and installation test button to easily find faults and perform installation Storage temperature (°C) -20 – 70 °C Storage temperature (°F) -4 – 158 °F Dimensions (HxWxD) (cm) 7.80 x 6 x 3.20 cm Dimensions (HxWxD) (inches) 3 x 2.30 x 0.60 in. Dimensions (HxWxD) ((mm) 78 x 60 x 32 mm Working temperature (°C) -5 – 55 °C Working temperature (°F) 23 – 131 °F Operating relative humidity, non-condensing (%) 15 – 90 % weight / gram) 180 g Color Red