Bosch PRAESENSA - Technical Data

PRAESENSA Installation wiring | en 121
Bosch Security Systems B.V.
Underwriters Laboratories Listing Document (ULLD)
2021.12.21 | V0.15b | F.01U.402.882
3.12.8 Technical data
– The PRA-FRP1-US comes standard with one LCD call station and one call station
extension.
– The PRA-FRP2-US comes standard with one LCD call station and two call station
extensions.
– The PRA-FRP3-US comes standard with one LCD call station (PRA-CSLW), and three call
station extensions (PRA-CSE ).
– In case of loss, a key (code 1358) for the PRA‑FRPx‑US can be ordered at Bosch with
ordering code D102.
There are three New York versions of the First responder panels that have a specific lock on
the door.
– The versions are PRA-FRP1-USNY, PRA-FRP2-USNY, and PRA-FRP3-USNY.
– In case of loss, a key for the PRA‑FRPx‑USNY can be ordered at a local distributor
with code 2642 NYC fire key.
Electrical
Microphone
Nominal acoustic input level (configurable) 85—105dBSPL
Maximum acoustic input level 120dBSPL
Signal to Noise Ratio (SNR) > 73dBA
Directivity Unidirectional
Frequency range
(+3 / -6dB) 500Hz—4kHz
Display
Size 4.3"
Touch screen Capacitive
Color depth 24‑bit
Resolution 480 x 272px
Brightness 300cd/m
2
Monitor loudspeaker
Maximum sound pressure level, at 1m 75dBSPL
Volume control Mute, -40dB to 0dB
Power transfer
Power over Ethernet (PoE 1‑2)
Nominal DC input voltage
Standard
48V
IEEE802.3af (mode B)
Maximum input current 350mA (IEEE802.3af), With 0 to 4
PRA-CSE connected.
Rated voltage 48V