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PM1-LIxx Loudspeaker line isolator system

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  • 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

Product Variants

PM1-LIxx Loudspeaker line isolator system

Loudspeaker line isolator master

CTN PM1-LISM6
Product No. F.01U.288.244

PM1-LIxx Loudspeaker line isolator system

Loudspeaker line isolator module

CTN PM1-LISS
Product No. F.01U.288.245

PM1-LIxx Loudspeaker line isolator system

Loudspeaker DC blocking board

CTN PM1-LISD
Product No. F.01U.288.246

Technical Specification

Key Specifications

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
Voltage 18 – 56 VDC nominal 24 or 48 VDC
Backup fault detection level 21 ± 1 VDC
Max. backup power current 4.5 A
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)
Max. number of Isolator Boards in loop 50
Power handling capacity per loop 500 W
Frequency range 50 Hz – 20 kHz
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
Downloads

Title Type Language
Title
CPR (EU CPR Telefication)
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Title
CPR (EU_CPR)
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pl-PL 
en-US 
Title
Declaration of Conformity (DECL EC PM1-LISD)
Type
PDF
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en-US 
Title
Declaration of Conformity (DECL EC PM1-LISM6)
Type
PDF
 Language
en-US 
Title
Declaration of Conformity (PM1-LISS)
Type
PDF
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en-US 
Title
Declaration of Performance
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Title
A&E specifications
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Title
Commercial Brochure (Public Address portfolio)
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Datasheet
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Title
Installation manual (and Operation)
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