Overview
Clear-Com PS-704, 4 CH. Rack Mount Power Supply
The PS-704 is a four-channel, single-rack-space intercom power supply that features Clear-Com’s “fail-safe” design for maximum reliability. The power supply delivers 2 amps at 30 volts, supplying power for one to four channels of intercom.
- Provides up to 2 amps at 30 Volts
- Supports up to 40 beltpacks, 10 speaker stations, or 12 headset stations
- Exclusive Intelligent Fault/Overload Sensing (IFOS) for system reset
- Switchable line terminations for each channel
- Built-in test tone generator for set up and diagnostics
- UL listed and CE certified
- Line and load regulated
- Short-circuit protected
Specifications
Program Line Input
Maximum Level before Clipping: >= 20dBu
Input Impedance: >= 5K
Frequency Response
Program Input – Party Line: 200 – 20kHz ± 3dB
Max Distortion
Program Input – Party Line: <= 0.2%
Noise
Program Mic Input – Party Line: < -70dBu
Max Gain
Program Input – Party Line: >= -16dB
Min Gain
Program Input – Party Line: <= -20dB
Mains Power
Input Voltage Range: 100 – 240V AC
Input Frequency Range: 50 – 60Hz
Input Power: <= 60V AC
Output Voltage: 30V DC ± 0.5V
Output Current per Channel (Continuous): 1.2A
Output Current per Channel (Peak): 2A (Do not exceed the 1.2A rating for more than 2 seconds per 1 minute period)
Short Circuit Recovery Time (1st short):<= 0.5 sec Short Circuit Recovery Time: >= 20 shorts in 20sec) <= 20 sec
Environmental
32° – 122°F (0 – 50°C)
Dimensions
1.75 x 19 x 7.5in (HxWxD)
(44 x 483 x 190mm)
Weight
6.16lbs (2.80kg)
