Motorola FPN5128A

The Motorola FPN5128A is an AC-operated power supply and battery charger engineered for Motorola MOSCAD telemetry radio systems and SCADA RTU deployments. It accepts 115 VAC, 60 Hz input and delivers 2 AMP output while simultaneously maintaining and charging a backup battery. Automatic switchover to DC battery power occurs during AC mains failure, ensuring uninterrupted operation of remote terminal units and associated telemetry equipment in demanding field environments.

– Technical Specifications

• Input: 115 VAC, 60 Hz
• Output Current: 2 AMP
• Backup Power: Automatic AC-to-battery switchover with integrated charger function
• Enclosure: Painted steel NEMA-4 rated (standard); optional stainless steel NEMA-4X or plastic enclosures available
• Form Factor: Standard or 19″ rackmount configuration
• Dimensions: 2.0 in × 9.8 in × 5.8 in (5.1 cm × 24.9 cm × 14.7 cm)
• Weight: 2 lbs (0.9 kg)

– Key Features

• Dual-mode operation: primary AC power with battery backup charging
• Supports MOSCAD system integration within NEMA-4 enclosures alongside battery and radio modules
• Compatible with ACE3600 RTU systems (MOSCAD family)
• Multiple communication protocol support via MOSCAD: MDLC, Modbus, DNP 3.0, PLC-5, X.25
• Flexible connectivity: two-way radio, digital microwave, Ethernet, wirelines
• RS232 Multiplex accessory expansion available

– Typical Applications

• SCADA remote terminal unit (RTU) power conditioning
• Telemetry radio system auxiliary power and battery management
• Distributed automation in substations and field sites requiring continuous operation
• Critical infrastructure monitoring requiring automatic backup capability

– Compatibility & Integration

Designed for Motorola MOSCAD telemetry radio systems and compatible with Motorola ACE3600 RTU platforms. Integrates with standard NEMA-4 enclosure configurations for complete RTU assemblies. Refurbished units and repair services available with one-year operational warranty.