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4 mm Dimensions (in) 3
excitation systems
particularly in systems requiring repeatable motor speed control without full automation
ensuring durability in demanding environments
S54339-A5-A1 | Siemens PAD-5-MB Main Board for Notification Power Extender tier_B_31_60 4 mm Dimensions (in) 3Description The Siemens S54339 A5 A1 is the PAD 5 MB main board designed for use with PAD 5 notification extender units in Siemens Modular fire alarm systems. It provides remote auxiliary power for signaling appliances while supporting expansion of multiple notification appliance circuits (NACs). The module ensures reliable communication with the XDLC loop card and delivers robust functionality for life safety applications. Technical Specifications
