BOSCH SP-SVC Supervised Volume Control, 24V
The SP-SVC is used to control the volume of a single speaker, multiple speakers, or an entire audio loop up to 35 W. An integrated override relay bypasses the volume attenuator in alarm conditions allowing the emergency notification message to be annou nced at maximum volume.
Features
- Compatible with UL864 Listed 24 V supervised notification appliance circuits (NACs)
- Compatible with Class B wiring, and with Class A wiring when used with the SP4-APS Addressable Paging Splitter
- Adjustment settings (0 to 10) in 3 dB increments
- Seleted adjustment does not affect volume setting of pre-recorded emergency messages or live microphone usage
- Maximum RMS current of 10 mA
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