1 2 5 3 0 / 1 2 5 4 0 O W N E R ' S M A N U A LP/N 447203 Issue I II-10Notification Appliance Circuits• Four Class B, Style Y circuitsConvertible to Class A, Style Z circuits with optional adapter• Expandable to 12 Class B, Style Y circuitsConvertible to Class A, Style Z circuits with optional adapter• Power limited• Supervised• Maximum Standby Current: 3.4mA• Alarm Voltage: 24 VDC nominal• Maximum Alarm Current: 1.5 A• Maximum Ripple: 1.5 VAC• Maximum Loop Drop Voltage: 1.0 VDCStatus RelaysIncludes alarm, supervisory, trouble, power failure and processor failure.• Contact Rating:2A, 30 VDC maximum, resistive0.5A, 30 VDC maximum, resistive• Contact Type:Form “A” or “B” Contact for processor failure relay (jumper selected)Form “C” Contact for alarm, supervisory, trouble and power failure relays.RS485 Communications Circuit• Power limited• Supervised• Voltage: 24 VDC nominal• Current:0.9 amp maximum for remote annunciators• Maximum wire loop resistance: 25 ohms/line• Communications: RS485City Tie• Reverse Polarity: Alarm with Trouble and/or Supervisory operationPower limitedSupervised by receiver for short or open circuit.Supervised by control unit for grounded circuit.Voltage: 24 VDC nominalCurrent: 0.014A maximumRipple: 1.5 VAC maximum• Local EnergyNot power limitedSupervised for open or grounded circuit by control unit.Voltage: 24 VDC nominalStandby Current: 0.014A maximumAlarm Current: 0.510A maximumRipple: 1.5 VAC maximumMaximum wire loop resistance: 30 ohmsTrip coil impedance: 14.5 ohms• ShuntNot power limitedContact Rating: 0.150A, 30VDC maximum, resistiveMaximum wire loop resistance: 6 ohms