Fire, Sound & Video Surge Protection
PHC Series for Bell, Strobe and Speakers
The PHC Series is designed to protect two pairs of wires specifically for alarm and security systems where operating currents can be as high as 5 amps. Electrically, the PHC Surge Protection Series is a rugged series hybrid implementing a staged complement of MOV's,
copper wound inductors and Silicon Avalanche Diodes. This design reduces series resistance to 0.2 Ohms per pair. These products are intended to mate with a Buchanan model PCB1B female terminal connector.
The PHC Modules plug into a base assembly (PCB1B). The base assembly can be mounted to any flat surface, and should be located as close as practical to the protected equipment. Terminal 1 and/or Terminal 10 should be connected to Building Approved ground with 14 gauge solid wire.
FEATURES
 | Lightning protection for low voltage signal lines
| Three-stage protection
| Differential protection
| Common mode protection
| Plug-in module
| Automatic Recovery
| Fast response time
| Continuous current up to 5 amps
| UL 497B listed
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SPECIFICATIONS
| Peak Surge Current |
5kA (8 x 20µs*) |
| Occurrences at 2kA |
50 typical |
| Response Time |
<1 Nanosecond |
| Voltage Clamp |
15, 20, 30, 43, 60, 100 or 150V |
| Series Resistance |
0.2 ohms total (per pair) |
| Series Inductance |
136µh total (per pair) |
| Temperature Range |
-40oC to +85oC |
| Weight |
8 oz. |
| Acceptable Wire Sizes |
26 to 14 AWG |
*8x20 microsecond waveform is standard test waveform
ORDERING INFORMATION
APPLICATION
24V Horn, Strobe, Bell:
PHC-043 & PCB1B
70V Speaker Lines:
PHC-SP70 & PCB1B
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