Allen‑Bradley 1747-L553 Power Input Interface Module

I. Basic Positioning
Series: Bulletin 1747-L553 Kinetix 6000 Multi-Axis Servo System
Full Model Name: 1747-L553
Equipment Type: Line Interface Module – Power Input Interface Module (Bus Rectifier Power Unit)
Voltage Level: 460V Three-Phase High Voltage (380/400V Industrial Grid)
Rated Current: 50A

Core Specification Parameters
Main Power Input
Three-phase AC: 380–480V (nominal 460V level), 50/60Hz
Bus Rated Output Current: 50A
Auxiliary Control Power
Built-in 230V AC Control Circuit Filter
24V DC Auxiliary Output: 20A (for servo I/O, encoders, relays)
Hardware Functions
Integrated Three-Phase Input EMC Filter, 24V DC Filter
Integrated Branch Short-Circuit Protection, Main Circuit Breaker
Provides DC Bus Power Supply for Multiple 2094-AMxx Servo Axis Modules (Daisy Chain Parallel Bus)
Built-in Status Digital Tube, Fault Indicator Light, Communication Interface
Physical Information
Net Weight: Approximately 17.24kg
Installation: Standard Control Cabinet DIN Rail Installation, Vertical Stack with Kinetix6000 Axis Modules
Corresponding Series Power Input Modules (BL=460V High Voltage; AL=230V Low Voltage)
2094-BL10S: 10A
2094-BL25S: 25A
2094-BL50S: 50A (This Model)
2094-BL75S: 75A

Function and Application Scenarios
System Role
Kinetix6000 Multi-Axis Servo’s Common Rectifier Power Supply: Converts three-phase alternating current into DC bus voltage, shares the DC bus among multiple servo amplifiers, shares regenerative braking resistors, and reduces wiring and costs.
Typical Combinations
Back-end paired with 2094-AM02/AM03/AM05/AM09 etc. servo axis modules to form a multi-axis motion system, used for:
Machine Tool Machining Centers, Pressing Equipment
Packaging Lines, Multi-Axis Handling Mechanical Hands
Textile, Printing High-Precision Synchronization Lines
Key Advantages
Common DC Bus Design, Braking Energy Feedback Between Axes, Energy Saving
Integrated Power Input Protection + Filtering, Simplifies Wiring Inside the Cabinet
Unified 24V Auxiliary Power Output, No Additional Switching Power Supply Required

Model Suffix Interpretation
BL: 460V High Voltage Input Unit (AL=230V Low Voltage)
50: Bus Rated Current 50A
S: Standard Type with Built-In Filtering Version