3
PAD-4 Installation, Operation and Maintenance Manual
• Installation Environment
Indoor, dry
Primary Supply Using FP2011-U1 External
Power Supply
• Primary Input Voltage: 120VAC/240VAC,
50Hz/60Hz
Primary Supply Using FP2012-U1 External
Power Supply
• Primary Input Voltage: 120VAC/240VAC,
50Hz/60Hz
Secondary and Trouble Power Supply
• 24 volt lead-acid battery set
• Maximum Charge Voltage: 29.0 VDC
• Maximum Charge Current: 1.5A
• Maximum Input Current: 15.3A
• Battery capacity: up to 18 A.H. (See Section
6.2, Battery Size Calculation, when using
batteries over 7 A.H.)
Input Circuits
• Two Input Circuits
• Connected to power limited source
• Supervised
• Voltage Range: 24 VDC nominal
• Maximum Input Current: 7.0mA
Notification Appliance Circuits
• Operating Voltage Range: Special Application
24 VDC
Refer to Siemens Compatible Notification
Appliances (P/N 315-096363) or Faraday
Compatible Notification Appliances (P/N 315-
096363FA), as applicable, for maximum
number per NAC
• Synchronized appliances permitted
• Maximum Alarm Current: 3.0A per circuit
(6.0A, or 9.0A depending on external power
supply, total for NACs and auxiliary power)
• Four Class B (Style Y) circuits or two Class A
(Style Z) circuits. Two additional Class A (Style
Z) circuits are available when the PAD-4-
CLSA module is installed.
• Power limited
• Supervised
• Maximum Standby Current: 1.0mA
• Maximum Ripple: 100mVAC
• Maximum Line Resistance:
3.0 ohms @ 3.0 amps
3.7 ohms @ 2.5 amps
4.7 ohms @ 2.0 amps
6.3 ohms @ 1.5 amps
• Maximum Voltage Drop: 9.0V
• Ground fault impedance: 60K ohms (+), 15K
ohms (-)
Auxiliary Power Output
• Operating Voltage Range: 24 VDC Special
Applications
• Current: 3 amps max (set to shutdown
when AC power fault for battery rating up
to 7.0 A.H.)
• Power limited
• Supervised for ground fault and short
• Maximum Ripple: 100mVAC
• Ground fault impedance: 2K ohms +/-
Note: The auxiliary power is for supple-
mentary purposes only if it is configured to
switch off when AC is lost.
Common Trouble Relay
• Contact Rating:
2.0A, 30VDC maximum, resistive
• Form C Contact
AC Fail Relay
• Contact Rating:
2.0A, 30VDC maximum, resistive
• Form A Contact (Normally closed, open on
fail)
Ground Fault Relay (on the PAD-4-CLSA
module)
• Contact Rating:
2.0A, 30VDC maximum, resistive
• Form A Contact (Normally open, closed on
fail)