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Help CenterHot Sale 8 Channel Fire Alarm Changeover for Voice Alarm System
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ITC VA-6000MS
Hot sale 8 channel fire alarm changeover for voice alarm system
VA-6000MS changeover is an integrated controller supporting main and backup amp swithing, speaker circuit grounding detection, open circuit and short circuit detection; compatible with three or four wire volume controller wiring, without extra wiring or power supply; combining 8 programmable stem node or wet node trigger inputs and 8 programmable on-line output signal. It works with class D amplifiers, traditional amplifiers to provid a safe, affordable solution to the PA & Voice Alarm system.
*2U chassis design, high integrated, modularization;
*support speaker circuit grounding, open circuit and short circuit detection;
*support 3/4 wire horn circuit wiring;
*8 programmable trigger input interfaces;
*8 programmable trigger output interfaces;
*support power-saving mode when the amplifier has not input signal enters
*support lines redundance wiring;
*support linkage to fire alarm controller
Funtion:
*main amplifier automatic backup switching power amplifier, real-time detection, indicate by different color LEDs;
*real time monitoring speaker bus loop, power amplifier status, automatic control switch;
*allows amplifier enter into power saving mode when no signal input to save energy (start through VA-6000ST, default disabled);
*allows to configure the priority of network and local audio;
*support power through, even if the main and standby power supply is cut off at the same time (amplifier power supply normal), the local 8 audio signals are not affected;
*8 stem node or wet node input port, to trigger the pre-pragrammed language information to the specified zones or open the coresposing external power to the corresponding event warning;
*8 programmable relay signal output port, ouupt no voltage output short circuit relay control signal to the third party equipment to realize on-line automatic control;
*provide DC 24V standby power input interface ( connect to 24V DC supplied by VA-6000BC);
AC power supply | |
Voltage |
~ 230V,50/60Hz |
maximum current |
0.3 A(not including the 4 wire strong cut output) |
Specification of the fuse |
250V/1A,slow speed type |
DC power supply | |
Voltage |
24V DC, ±20% |
maximum current |
2 A((not including the 4 wire strong cut output) |
Power |
48W |
performance index | |
Parallel signal input / output |
|
Distortion |
<1%(rated output power),1kHz |
frequency |
80Hz~20kHz |
sensitivity |
385mV |
Impedance |
10kΩ |
SNR |
>70dB |
Contact output | |
8 relay programmable output |
short circuit, no voltage |
8 programmable trigger input | |
level model: |
The highest 3.3V |
Short circuit mode: |
no voltage, short circuit |
Cooling way |
air cooled |
Protection |
delay / temperature / short / overload |
Mechanical index | |
The size (length x width x depth) |
484×88×447 mm(19 inches wide, 2U) |
The net weight |
about 7.8 kg |
Installation |
desktop or 19 inch cabinet |
color |
black |
Environmental requirements | |
|
Environmental requirements
|
+5°C ~ +40°C |
Storage temperature |
-20°C ~ +70°C |
relative temperature |
<95%(no treatment) |
Send Inquiry to This Supplier
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