Secutron MR-2900 Installation Manual page 30

Fire alarm control unit
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Bell (Notification Appliance) Circuits
Number & Type
Supervisory Current
Alarm Current
Voltage
End of Line Device
Note: Consult Appendix C UL Listed Compatible Devices
System Relays (3)
Type
Rating
Note: These relays are not listed by UL for use for connection to equipment outside the same room as
the Control Panel.
General Purpose Relays (4)
Type
Rating
Auxiliary Power Outputs (2)
Voltage
Ripple Voltage
Current
Notes:
• Consult Appendix C UL Listed Compatible Devices
• If load exceed 135mA, any NAC output circuit can be programmed as Aux power to provide up to
1.5 A.
MR-2910 Network Communication Boards
MR-2910
MR-2910-R1
MR-2910-R2
MR-2910-R12
Wire Type
Gauge
Distance
Application
*Using 22 AWG wire.
Battery Boxes
Model
MR-2978B
MR-2978R
24
8 Class B, NFPA Style Y/ Class A, NFPA Style Z
1.0 mA, power limited
1.5 A, power limited (NAC/1.0 A, power limited, Releasing)
24 VDC, nominal, full wave rectified, unfiltered
Class B (Style Y) only: 10 K
Form C, one each for Alarm, Supervisory and Trouble
0.5 A @ 30VAC (resistive) / 1.0A @ 24VDC
Form C
0.6A @ 30VAC (resistive) / 2.0A @ 30VDC
24 VDC
2 Vrms, maximum
135 mA per circuit, power limited
Network Communication Module, Both Ports Standard
Network Communication Module, Port 1 RS-232, Port 2 Standard
Network Communication Module, Port 1 Standard, Port 2 RS-232
Network Communication Module, Both Ports RS-232
Standard
Twisted Pair
18-22 AWG
*10 km (apr. 6 miles)
Direct Wire
Capacity
24-52 Ah
24-52 Ah
Ω
Resistor, EOL-103
RS-232
Twisted Pair
18-22 AWG
Under 6m (20 ft)
Fiber Optic Modem
Size
21" x 9" x 7" white
21" x 9" x 7" red

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