Product Details:

MODICON 557VIC12620 is a dedicated modular control unit for low voltage distribution switchgear under Modicon product line, originally developed by AEG and later incorporated into Schneider Electric automation portfolio. It undertakes local signal acquisition, logic processing and protection control inside switch cabinets, and supports flexible bus connection to communicate with upper monitoring and control systems. This unit can be configured for rear busbar or top busbar installation to adapt to different cabinet layout requirements on site. It adopts industrial modular design for easy installation, maintenance and function expansion, and is equipped with built-in EMC suppression circuits to resist electromagnetic interference in power distribution environments. As an obsolete original spare part, it is mainly used to maintain and renovate old low-voltage power distribution automation systems. Direct replacement helps users retain the existing cabinet wiring and control scheme, avoiding large-scale reconstruction and shortening system downtime.

Basic Parameters

Product type: low voltage switchgear modular control unit

Supply voltage: 24 Vdc auxiliary power

Installation: modular mounting inside switchgear

Communication: Modbus, Profibus, Ethernet/IP optional

Operating temperature: -10°C ~ +55°C

Protection grade: IP20

Supported Functions

Switchgear status signal collection

Overcurrent and fault protection logic

Power data measurement and transmission

Remote command receiving and execution

Local status indication

Network connection with upper SCADA

Core Functions

Real-time monitoring of electrical parameters

Fault event capture and record

Onboard LED status indication

Bus data packaging and upload

Parameter local configuration

Fault locking and reset management

Hardware Specifications & Environmental Features

Integrated surge suppression for power circuits

Storage temperature: -25°C ~ +70°C

Relative humidity: 5% to 95% non-condensing

Status: Obsolete original part, available for spare replacement

Industry Applications: Applied in factory power distribution rooms, commercial building energy management systems, auxiliary power control for water treatment plants and substation local control cabinets.

Note: Confirm busbar layout, auxiliary power supply and upper communication protocol before ordering.

This is from our current stock.

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