Specifications

FS-250 Installation and Operation Manual

Voltage: 24 VDC nominal

Ripple: 1.5 VAC maximum

• Resettable Power Output

Power limited

Voltage: 24 VDC nominal

Ripple: 1.5 VAC maximum

Status Relays

Four relays programmable for alarm, supervisory, trouble, loss of AC.

• Contact Rating: 1 A, 28 VDC maximum, resistive

• Form C Contact

Notification Appliance Circuits

• Power limited

• Supervised

• Maximum Standby Current: 3.4mA

• Alarm Voltage: 24 V FW nominal

• Maximum Ripple: 16 VAC

• Maximum Loop Drop Voltage: 1.0 VDC

• Four Style Z/Class B or two Style Y/Class A circuits

• Maximum NAC Current: 1.5 A / NAC circuit

Maximum total NAC current 3.0 A (6.0 A with optional FS-NPE transformer installed)

Serial Interface Circuit

• Power limited

• Supervised

• (+, -)Voltage: 24 VDC nominal

• (X+, X-) Voltage RS485 levels

• Maximum wire loop resistance: 11 ohms/line

• Communications: RS485

P2 Addressable Device Circuits

• Power limited

• Supervised

• Voltage: 24 VDC nominal

• Maximum Current (shorted): 0.375A

• Maximum wire loop resistance: 50 ohms (see Graph on page 42)

• Style 4 or 6 circuit

• 252 Addresses detectors and modules max.

• One Circuit

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