Siemens PAD5-6A | Siemens 6A Addressable Power Supply Module for Fire Alarm Systems

Description The Siemens PAD5-6A is an addressable power-supply module designed for use with Siemens fire alarm control panels (FACPs). This unit provides up to 6 amps of 24 VDC NAC power and auxiliary output for powering notification appliances and system peripherals. The PAD5-6A ensures reliable, supervised power distribution and compliance with UL and ADA standards for life-safety applications. Technical Specifications Condition New/Never Used Surplus Brand Siemens Category Fire Safety Part Number PAD5-6A Subcategory Addressable Power Supply Power Output 24 VDC, 6A total (four Class B or two Class A circuits) Auxiliary Output 24 VDC, 3A (included in total output) Primary Power Input 120 VAC, 50/60 Hz, 3A max Follower Input One supervised NAC follower, 16–33 VDC or dry contact Circuit Types Class A and Class B, expandable with PAD-5-CLSA Battery Charging Capacity Two 7–18 Ah internal (up to 100 Ah with external enclosure) Supervision NACs, ground fault, AC fail, and battery supervision Trouble Relays Form C (general trouble) and Form A (AC fail) Synchronization Support System Sensor, Wheelock, Gentex, AMSECO Signal Patterns ANSI Temporal 3 & 4, March-time 30/60/120 PPM Control Type Microprocessor-based with Flash firmware Compliance Standards UL864 10th Edition, UL1076, UL2017, UL2572, ULC-S527, ULC-S576 Mounting 2HU enclosure (multi-module) Dimensions (H×W×D) 27 × 20 × 10 in Weight 15 lbs Information About PAD5-6A The PAD5-6A is a UL 10th Edition and ULC-S527 listed addressable power-supply unit from Siemens’ advanced PAD-5 series. It is built to deliver dependable 24 VDC output for notification appliances and auxiliary devices, supporting both Class A and Class B circuits. The module seamlessly integrates with Siemens FP2011-U1 and FP2012-U1 fire alarm control panels, automatically communicating status and diagnostics for system monitoring. Featuring microprocessor-based control, battery supervision, and ground-fault detection, the PAD5-6A provides robust and compliant operation for commercial and industrial fire-protection systems. Key Features: High Output Power: Provides up to 6A of 24VDC NAC and auxiliary power for connected devices. Circuit Flexibility: Supports four Class B or two Class A output circuits, expandable with optional PAD-5-CLSA module. Supervised Operation: Monitors battery, ground faults, and NAC integrity for continuous reliability. Advanced Synchronization: Built-in support for System Sensor, Wheelock, Gentex, and AMSECO strobes and coded signals. Expandable Configuration: Optional modules allow additional circuits and releasing functions (e.g., deluge, pre-action). Microprocessor Control: Flash memory-based firmware ensures fast, accurate diagnostics and easy upgrades. Comprehensive Compliance: Meets UL864 10th Edition, ADA, ULC-S527, and ULC-S576 standards. Multi-Module Mounting: Fits 2HU enclosures with clean integration into Siemens fire systems. The PAD5-6A delivers the reliability and precision required for fire alarm power distribution and notification control in critical safety environments.