Specifications - Fire-Lite MS-2E' MS-4E User Manual

Product Description

1.2 Specifications

12
AC Power - TB8
MS-2/MS-4: 120 VAC, 50/60 Hz, 2.3 amps
MS-2E/MS-4E: 240 VAC, 50 Hz, 1.15 amps
Wire size: minimum #14 AWG (2.0 mm
Battery (sealed lead acid only) - J8
Maximum Charging Circuit - Normal Flat Charge: 27.6 VDC @ 0.8 amp
Maximum Charger Capacity: 18 Amp Hour battery (two 7 Amp Hour batteries can
be housed in the FACP cabinet. Larger batteries require a separate battery box such
as the Fire•Lite BB-17F)
Initiating Device Circuits - TB3
Alarm Zones 1 & 2 (MS-2 and MS-4)
Alarm Zones 3 & 4 (MS-4 only)
Power-limited circuitry
Operation: All zones Style B (Class B)
Normal Operating Voltage: Nominal 20 VDC
Alarm Current: 15 mA minimum
Short Circuit Current: 40 mA maximum
Maximum Loop Resistance: 100 ohms
End-of-Line Resistor: 4.7KΩ, 1/2 watt (Part #71252)
Standby Current: 4 mA
Refer to Fire•Lite Device Compatibility Document for listed compatible devices
Notification Appliance Circuit(s) - TB2
One NAC on MS-2, two NACs on MS-4
Operation: Style Y (Class B)
Power-limited Circuitry
Normal Operating Voltage: Nominal 24 VDC
Maximum Signaling Current: 2.5 amps total with standard transformer. 5.0 amps
total (2.5 amp maximum per NAC) with optional transformer on MS-4 only
End-of-Line Resistor: 4.7KΩ, 1/2 watt (Part #71252)
Refer to Fire•Lite Device Compatibility Document for compatible listed devices
Form-C Relays
Trouble Relay TB5 (fail-safe)
Alarm Relay TB6
Supervisory Relay TB7 (MS-4 only)
Relay Contact Ratings: 2 amps @ 30 VAC (resistive)
Resettable Power - TB1
Operating Voltage: Nominal 24 VDC
Maximum Available Current: 500 mA - appropriate for powering 4-wire smoke
detectors (see note 1)
Power-limited Circuitry
Refer to Fire•Lite Device Compatibility Document for compatible listed devices
Nonresettable Power - TB1 (MS-4 only)
Operating Voltage: Nominal 24 VDC
Maximum Available Current: 500 mA (see note 1)
Power-limited Circuitry
Refer to Fire•Lite Device Compatibility Document for compatible listed devices
1. Total current for resettable power and one Notification Appliance Circuit must
not exceed 3.0 amps for the MS-2. Total current for nonresettable power,
resettable power and two Notification Appliance Circuits must not exceed 6.0
amps for the MS-4 (requires optional second transformer)
) with 600V insulation
2
1
MS-2/MS-4 PN 51512:D 10/18/04
Specifications