Emerson / Artesyn / Astec 73-551-0005 Power Supply Module

The Emerson/Artesyn/Astec 73-551-0005 is a 210W switching power supply module from the MP series, engineered for industrial modular power applications requiring distributed DC output. This chassis-mounted unit delivers 20V DC at 1.0A with 380V AC input, featuring integrated power factor correction and EN61000-3-2 harmonic compliance. The module incorporates current sharing on outputs rated 10A or greater, remote sense capability on outputs exceeding 2A, and overload protection across all outputs. Voltage adjustment and margining functions are available on single output modules. An Input-OK signal with status indicator LED, DC OK signal, and isolated 5V bias voltage support system-level control and monitoring. Global and individual inhibit/enable control enables flexible power sequencing within multi-module configurations.

Technical Specifications

Input Voltage: 380V AC

Output Voltage: 20V DC

Output Current: 1.0A

Nominal Power: 210W

Load Sharing: Supported on outputs ≥10A

Remote Sense: Supported on outputs >2A

Voltage Adjustment: All outputs

Margining: Single output modules

Power Factor Correction: Implemented

Harmonic Distortion: EN61000-3-2 compliant

EMI Performance: CISPR22, EN55022 Curve B conducted/radiated

Key Features

Overload protection on all outputs

Input-OK and DC OK status indication with LED indicators

Isolated 5V bias voltage supply

Forced air cooling with field-replaceable fan

Global and individual module inhibit/enable control

CE Mark compliance

Dimensions: 330 × 280 × 23mm

Weight: 1.2kg

Compatibility & Integration The 73-551-0005 integrates into the broader MP series ecosystem, including MP4, MP6, and MP1 configurations. It supports modular stacking architectures where multi-output power systems can range up to 1000–1200W depending on specific series configuration.