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P/N 387463-
EN • REV 005 • ISS 18MAR19
Specifications
Current
Standby
Alarm
62
mA
1.12 A (3
-
ZA20A/20B)
2.48 A (3
-
ZA40A/40B)
Frequency response
400 Hz to 4 kHz at ±3 dB
Harmonic Distortion
< 7%
Audio circuit
Input
Wiring
Output
EOL resistor
8-
channel, multiplexed digitized audio:
Class B or Class A
20 or 40 W at 25 or 70 VRMS
[1]
15 k
Ω
(internal on 3
-
ZA20A/40A)
24 VDC
NAC circuit
Wiring
Voltage
Current
EOL resistor
Special applications
Class B or Class A
24
VDC
nominal
3.5 A
15 k
Ω
(internal on 3
-
ZA20A/40A)
Refer to the panel compatibility list.
Wire size
12 to 18
AWG (4.0
to
1.0
mm²)
Space requirements
1 rail space
Operating environment
Temperature
Relative humidity
32 to 120 °F (0 to 49 °C)
93% noncondensing
[1] For Canadian installations, 70 VRMS is nonpower
-
limited.
Regulatory information
Environmental
class
UL/ULC
: Indoor dry
Contact information
For
contact information, see www.edwardsfiresafety.com.
