PAD-4-9A | Siemens 9 Amp 24V Distributed Power Supply and NAC Expander for Fire Alarm Systems tier_C_61_160 8 V Internal Resistance >200

8 V Internal Resistance >200 kΩ (UREF)

This plug-in module delivers line-rate 10G performance for scalable data center

Condition New/Never Used Surplus Brand Allen-Bradley Category PLCs/Machine Control Part Number 1794-IF2XOF2I Subcategory Flex I/O Analog Module Module Type Isolated analog input/output module Inputs 2 isolated analog inputs Input Current Range 4–20 mA Input Voltage Range ±10 V Outputs 2 isolated analog outputs Output Current Range 4–20 mA Output Voltage Range ±10 V Resolution 16 bits Conversion Type Sigma-delta FlexBus Current Draw 50 mA Thermal Dissipation 11

which are common in many industrial setups where the sensor or device sends a low signal to activate the input

PAD-4-9A | Siemens 9 Amp 24V Distributed Power Supply and NAC Expander for Fire Alarm Systems tier_C_61_160 8 V Internal Resistance >200Description The Siemens PAD 4 9A is a distributed power supply and NAC (Notification Appliance Circuit) expander designed to enhance Siemens fire alarm control panels by providing additional 24 V DC power for signaling devices. This model delivers up to 9 amps of total output power, supporting both audible and visual notification appliances compliant with ADA standards. Its fault tolerant circuitry ensures consistent operation, making it ideal for