P/N 270492-
EN • REV 04 • ISS 10JUL14
3 / 4
Specifications
Quantity
8 circuits total:
4 dedicated IDCs
4 configurable as IDCs or NACs
Voltage
24 VDC
Current [1]
Standby
Alarm
48 mA at 24 VDC
408 mA at 24 VDC
Initiating device circuit
Wiring configuration
Voltage
Short circuit current
Circuit resistance
Capacitance
EOLR
Compatible detectors
Class B (Style B)
16.23 to 25.4 VDC max., ripple 400 mV
75.9 mA max.
50 Ω max.
100 µF max.
4.7 kΩ (UL/ULC Listed)
Refer to
EST3 Compatibility List
(P/N 3100427-EN) and
EST3X Compatibility
List
(P/N 3101801-EN)
Notification appliance circuit
Wiring configuration
Output voltage
Output current
Special application
Regulated
Power
EOLR
Class B (Style Y)
24 VDC nom., 70 VRMS max.
3.5 A at 24 VDC tot
., each NAC
3.5 A at 24 VDC tot.,
NAC pair [2]
7.0 A
at 24 VDC
tot. for all NACs when the
chassis rail is used as the
24 VDC source
1 A at 24 VDC total
for NAC pair (requires
5 A peak) [3]
3 V maximum line loss
60 W at 25 VRMS
100 W at 70 VRMS
15 kΩ (UL/ULC Listed)
Wire size
12 to 18 AWG (1.0 to 4.0 mm²)
Installation
One space on the rail chassis
Operating environment
Temperature
Relative humidity
32 to 120°F (0 to 49°C)
0 to 93% noncondensing
[1] Does not include a control-display module on the NAC.
[2] When NAC pairs (NAC1 and 2 or NAC5 and 6) are configured for
an internal
24 VDC
source (see Table 1 on page 2).
[3] One 3-PPS primary power supply can support one regulated NAC
pair, at 1 A total for EST3 systems only.
Regulatory information
North American
standards
UL 864, ULC
-S527
C
PR certificates
Refer to the
European Marketplace Manual.
EN 54
EN 54-2, EN 54-4, EN 54-16
EU compliance
FCC compliance
This device complies with part 15 of the FCC
Rules. Operation is subject to the following two
conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any
interference received, including interference that
may cause undesired operation.
Environmental
class
UL: Indoor dry
IEC: 3K5
2002/96/EC (WEEE directive): Products marked
with this symbol cannot be disposed of as
unsorted municipal waste in the European Union.
For proper recycling, return this product to your
local supplier upon the purchase of equivalent
new equipment, or dispose of it at designated
collection points. For more information see:
www.recyclethis.info.
Contact information
For contact information, see www.edwardsutcfs.com.
