Initiating Device Circuits – TB4 (and TB 6 on SFP-10UD
only):
• Alarm Zones 1 - 5 on TB 4 (SFP-5UD and SFP-10UD).
• Alarm Zones 6 - 10 on TB6 (SFP-10UD only).
• Supervised and power-limited circuitry.
• Operation: All zones Style B (Class B).
• Normal Operating Voltage: Nominal 20 VDC.
• Alarm Current: 15 mA minimum.
• Short Circuit Current: 40 mA max.
• Maximum Loop Resistance: 100 ohms.
• End-of-Line Resistor: 4.7K ohm, 1/2 watt (P/N 71252 ULlisted).
• Standby Current: 2 mA.
Refer to the Notifier Device Compatibility Document for listed
compatible devices.