Silent Knight EVS-INT50W is a 50-watt voice evacuation amplifier module with one speaker circuit. It mounts inside the 6820EVS cabinet, which makes it a fit for small voice evacuation installations.
It is powered and supervised from the 6820EVS, so it needs no additional AC source or battery backup of its own.
Features
- 50 W of audio power on one speaker circuit
- Class A or Class B, fully programmable speaker circuit
- 25 or 70.7 Vrms operation
- Mounts in the 6820EVS FACP/EVS cabinet
- Powered by 24 V DC constant auxiliary power
- Two-wire connection to SBUS data and two-wire connection to VBUS
- UL certified for 520 Hz tone output with compatible speakers; see installation manual LS10061-001SSK-E for the list
Specifications
| Product Type |
Voice evacuation amplifier module |
| Audio Power |
50 W |
| Mounting |
Cabinet mount |
| Height |
10" |
| Width |
4.5" |
| Depth |
1.8" |
| Compatibility |
Silent Knight 6820EVS |
Documents
FAQ
Which panel does the EVS-INT50W work with?
The current Silent Knight data sheet (350981 Rev C) lists the 6820EVS; the amplifier mounts inside the FACP/EVS cabinet.
Does it need its own power supply?
No. It is powered and supervised from the 6820EVS using 24 VDC from a NAC circuit programmed for constant auxiliary power.
What speaker voltages does it support?
50 W at 25 Vrms or 70.7 Vrms on one Class A or Class B speaker circuit.
How much current does it draw?
52 mA standby; at full alarm load 2.84 A at 25 V or 2.9 A at 70.7 V.
