Siemens Industry, Inc. A6V10356958_en--_n
Smart Infrastructure
FS920 General Electrical Characteristics
Refer to the FS920 Mounting, Installation and Product Data manual, Document ID A6V10333409, for circuit electrical characteristics.
System Power Input Output:
FP2011-U1: 120 VAC, 60 Hz, 50 Hz, 1.64 A (max); 240 VAC, 50 Hz, 60 Hz, 1.5 A (max) 24 VDC @ 6.5 A (max)
FP2012-U1: 120 VAC, 60 Hz, 50 Hz, 2.77 A (max); 240 VAC, 50 Hz, 60 Hz, 1.37 A (max) 24 VDC @ 11.5 A (max)
FP2013-U1: 120VAC@ 5.0A (max), 240VAC, 2.5A (max) 24VDC @ 20A (max, combined output for both units)
Ground Fault Threshold:1k Ohms (0.1 Ohm for Leased Line Circuit)
Wire to wire fault impedance threshold = 0 Ohms
Wire to wire open impedance threshold = Infinite impedance
Battery: 24VDC Lead acid batteries only. 100AHr (max), Charge Voltage/Current: 27.5VDC, 6A (max)
Table 4: Battery Sets
SLC: 35V @ 500mA (max), max line impedance: 180 ohms, Class B, A, X. All SLC are supervised. Refer to Document ID
A6V10332926 (U.S.) or A6V1039976 (Canada) for Compatible devices.
NAC: 24VDC, 0.3A (max) Regulated for Pulsing Loads; 24VDC, 3.0A (max) Special Application for pulsing loads, Regulated for non-
pulsing loads , Class A or Class B, Coded or Non-coded, Synchronized, refer to Document ID A6V10333532 for compatible NAC
devices. Only combination MNS NACs and Fire NACs are allowed.
Relay Contacts: 30VDC, 120ADC, 5A, Common (Alarm, Supervisory, Trouble) and Programmable (User-defined)
Releasing Circuit: 24VDC, 2A(max), Class B or Class A. Refer to the Solenoid Compatibility List, Document ID A6V11620059.
Aux Power: 24VDC, 1.5A (max), Power Limited, Special Application
DC Supervision (optionally selectable): 18VDC max
CAN Bus: max line impedance: 15 ohms, Class B, Supervised.
Speaker Circuit:
Output Voltage: 25Vrms or 70Vrms
Max Power Output: 65W @ 70Vrms, 50W @ 25Vrms (refer to Document ID A6V10370410 for resistance limitations)
Frequency Response: 400Hz – 4kHz
Total Harmonic Distortion (THD): <0.4% nominal @ 1kHz
Efficiency (under full load): 85% @ 70Vrms, 80% @ 25Vrms
Voice Intelligibility: The FS20 System meets Voice Intelligibility Requirement as defined in section D of the NFPA 72, 2010 edition,
having a Speech Transmission Index (STI) of 0.50 or greater. Each acoustically distinguished space must be properly evaluated and
tested to ensure compliance.
Pathway Survivability: Each circuit must be evaluated and tested to ensure compliance to the application and area of protection to
meet the criteria of Section 12.4 of NFPA 72, 2010 edition.
All wiring between the releasing device and any other interconnected product shall be monitored for integrity in accordance with the
Common Performance and Monitoring for Integrity – Protected Premises Units/Systems.
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