PM1-LIxx Loudspeaker line isolator system

PM1-LIxx Loudspeaker line isolator system
  • Provides redundant loudspeaker loops for public address and voice alarm systems
  • Dramatically reduces cost and complexity of installations, by largely eliminating expensive E30 cabling
  • Six loudspeaker loops per Master Unit, and up to 50 Isolator Boards per loop
  • Operates on 24 and 48 VDC backup power
  • Walk Test mode and installation test button for easy fault-finding and installation
  • Details
    Mains power supply
    Voltage 115 / 230 VAC, ±10%, 50/60 Hz
    Fuse rating T6.3 A, 250 V
    Inrush current Time: < 10 ms; ≤ 30  A
    Max. power consumption 150 W
    Battery power supply
    Voltage 18 – 56 VDC nominal 24 or 48 VDC
    Backup fault detection level 21 ± 1 VDC
    Max. backup power current 4.5 A
    Hardware Interfaces
    100 V audio I/O (loop 1‑6) Pluggable screw connector
    Fault output (loop 1‑6) Floating contacts 24 V, 1 A
    Fault relays except general fault relay OK state is normally de-energized NO is open
    General fault relay OK state is Failsafe, normally energized NC is open (failsafe)
    Performance
    Max. number of Isolator Boards in loop 50
    Power handling capacity per loop 500 W
    Frequency range 50 Hz – 20 kHz
    Dimensions (H x W x D)
    For 19” rack use, with brackets 88 x 483 x 400 mm(3.5 x 19 x 15.7 in)
       in front of brackets 40 mm (1.6 in)
       behind brackets 360 mm (14.2 in)
    Weight 15.9 kg (35.05 lb)
    Mounting 19” rack
    Color Charcoal with silver
    Operating temperature -5 ºC to +55 ºC (+23 ºF to +131 ºF)
    Storage temperature -20 ºC to +70 ºC (-4 ºF to +158 ºF)
    Relative humidity 15% to 90%
    Air pressure 600 to 1100 hPa
    Loudspeaker loop connection 120 VAC audio, max 5 A
    Maximum loop though loudspeaker load 500 W
    Maximum tap‑off load 100 W
    Test fault indicating LED Yellow
    Test button Momentary
    Dimensions (H x W x D) 78 x 60 x 32 mm (3.0 x 2.3 x 0.6 in)
    Housing 150 x 150 x 75 mm (5.9 x 5.9 x 2.9 in)
    Mounting options Ready mounted in the supplied housing Mounted inside the loudspeaker Mounted in an IP-65 housing (an optional mounting bracket LBB 4446/00 is required)
    Weight Approx. 180 g (6.3 ounces)
    Color Red
    Fire-resistant properties UL60065
    Ingres protection IP30
    Punch out holes for cables 3 holes for 6 mm wires 3 holes for 9 mm wires
    Operating temperature -5 ºC to +55 ºC (+23 ºF to +131 ºF)
    Storage temperature -20 ºC to +70 ºC (-4 ºF to +158 ºF)
    Relative humidity 15% to 90%
    Air pressure 600 to 1100 hPa
    End of line resistor 47 kohm, > 0.5 W resistor
    Loudspeaker loop connection X1, X2 120 VAC audio, max 5 A
    Maximum loop though loudspeaker load 500 W
    Tap-off X3 20 W on tap‑off
    High pass filter 67 Hz at 20 W load 34 Hz at 10 W load
    Dimensions (H x W x D) 60 x 45 x 30 mm (2.7 x 1.8 x 0.6 in)
    Mounting Internally mounted in the loudspeaker (an optional mounting bracket LBB 4446/00 is required)
    Weight Approx. 16 g (0.6 ounces)
    Operating temperature -5 ºC to +55 ºC (+23 ºF to +131 ºF)
    Storage and transport temperature -20 ºC to +70 ºC (-4 ºF to +158 ºF)
    Relative humidity 15% to 90%
    Air pressure 600 to 1100 hPa

    Images

     
  • Certificates (6)
     
  • Documents (3)
     
 

Product variants

PM1-LISM6 Loudspeaker line isolator master

Master Unit for the Loudspeakers Line Isolator System: creates six redundant loudspeaker loops, 500 watts per loop, maximum of 50 Isolator Boards per loop.

Commercial Type No.: PM1-LISM6
Product No.: F.01U.288.244

 
PM1-LISS Loudspeaker line isolator module

Isolator Board for distributing audio from public address/voice alarm system, via Master Unit, to loudspeakers.

Commercial Type No.: PM1-LISS
Product No.: F.01U.288.245

 
 
PM1-LISD Loudspeaker DC blocking board

DC Blocking Board for DC blocking and over‑current protection, must be installed in system if loudspeaker is not equipped with an Isolator Board.

Commercial Type No.: PM1-LISD
Product No.: F.01U.288.246