volume controllers
VC7000A Series - Volume Controllers ( 70 x 120 mm Panel )
Variants :
VC7010A - 10W 100V line resistive
VC7030A - 30W 100V line auto trans
VC7050A - 50W 100V line auto trans
VC7100A - 100W 100V line auto trans
Introduction
VC7000A series of volume controllers are available with ratings from 10 to 100W, with front panel size of 70 x 120 mm ( American face plate ). Standard version is horizontal mounting whereas vertical mounting shall be available upon request.
They are suitable for 4 wire system installation and comes with built in overriding relay and LED indicator.
Features
- Suitable for 4 wire system : 2 for 100V line, 2 for 24V DC overriding voltage
- Built in overriding relay to allow emergency signal to bypass the attenuation
- Overriding LED indicator whenever emergency paging is activated
- 5 preset attenuation with OFF
- Large cable termination block for ease of termination
Optional enclosures : Surface and Concealed back enclosures are available as optional items
Technical Specifications
7010A |
7030A |
7050A |
7100A |
|
Power rating (W - 100V line) |
10 | 30 | 50 | 100 |
Overriding voltage |
24V DC | |||
Overriding current |
15 mA | |||
Attenuation |
6 steps including OFF | |||
Attenuation / step |
6 dB / step | |||
Attenuation method |
Resistive | Auto trans | ||
Colour |
White | |||
Size ( WxHxD ) mm |
70 x 120 x 40 | |||
Weight ( gms ) |
100 | 200 | 200 | 330 |