SCHNEIDER VX4A12002N Product Details
I. Basic Information
Model Name: VX4A12002N
Series: VX4A12002N Series
Product Type: SCR Buffer Board / Thyristor Absorption Board (SCR Snubber Board), suitable for Schneider high-power DC speed control devices, ATV61/ATV71 high-voltage high-power frequency converter series spare board cards
Brand: Schneider Electric (formerly Square D)
Application Equipment: High-power DC speed regulators, medium-high voltage frequency converters, high-power drive units
Core Functions
Provide RC capacitive absorption for the SCR thyristor power circuit, buffer surge voltage, and suppress the sharp peak high voltage generated by the switch instantaneously
Protect thyristors and IGBT power devices, prevent voltage breakdown damage
Filter out high-frequency electromagnetic interference, stabilize the DC bus voltage, reduce the probability of equipment overvoltage and false alarm faults
Cooperate with power units to achieve soft switching, reduce harmonic and equipment noise in the transmission system
Key Electrical Parameters
Rated Voltage: 1200V
Compatible Power Range: High-power transmission (90kW and above ATV71/ATV61 series)
Operating Temperature: 0℃～70℃
Installation Method: Inserted board type fixed in the cabinet
Protection Grade: IP20
Electrical Insulation: Isolation design of strong and weak electrical circuits
Typical Application Scenarios
Metallurgical rolling mills, large-power variable frequency transmission of mining belt
Papermaking, port lifting, wind turbines, water pumps, high-voltage high-power frequency converters
High-power DC speed control systems, thyristor rectifier transmission devices
Industrial heavy-duty frequency conversion renovation, replacement of old Schneider transmission equipment spare parts
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