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14.0 Appendix C: Specifications
Table 17 MR-2300 LED Series Specifications
MR-2300 LED Fire Control Panel Chassis
General Digital Signal Processor based design. Fully configurable using front panel LCD
display with Password Access.
Indicating (NAC)
Circuits
4 supervised Class B or Class A indicating circuits, configured as strobes or
audibles. Terminals are labeled SIG.
Power limited / Regulated 24VDC FWR / 1.7A @ 49C per circuit
Initiating Circuits 12 supervised Class B initiating circuits, configurable (normal or verified).
Terminals are labeled DET. Compatibility ID A
Power limited / 19VDC reg. / 3mA for detectors / 0.15Vp-p ripple / 40mA max
(alarm short)
RS-485 Connection For Remote Annunciators. Terminals are labeled RS485.
Electrical ratings AC line voltage 120 VAC 60 Hz 3 Amp \ 240 VAC 50 Hz 1.5Amp
(primary)
Power Supply Rating 6 Amp maximum panel (loading)
Max power allowed • 5Amp (Total NAC loading)
• 1.7Amp (aux power unfiltered)
• 0.5Amp (aux power filtered)
• 0.3Amp (resettable auxiliary power)
Panel Current
consumption
Standby: 283mA
Alarm: 560mA
Unfiltered supply
(full wave rectified)
Special Application
Power limited / 24VFWR unfiltered / 1.7Amp max at 49C
See Appendix E: Auxiliary Devices on page 103.
Aux supply (non
resettable)
Special Application
Power limited / 22.3VDC nominal / 500mA max
Class B when powers remote annunciators
See Appendix E: Auxiliary Devices on page 103.
4-wire smoke supply
(resettable)
Special Application
Power limited / 22.3VDC nominal / 300mA max
Class B when EOL relay is used
See MR-2300 section for compatible Four Wire Smoke Detectors in LT-
1007SEC - Device Compatibility Guide
Auxiliary relays
(resistive loads)
Must be connected to a listed power limited source of supply. Terminals
are labeled ALARM, TROUBLE, SUPV and AUX.
Common Alarm Form C, 1 A max, 28 VDC
Common Supv Form C, 1 A max, 28 VDC