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RINT-6421C

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The ABB RINT-6421C is a main circuit interface board supporting 24V DC power supply, adaptable to 200-480V AC input and 50/60Hz frequency, and capable of outputting 0-400V DC/25A current.
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Technical specifications for RINT-6421C

  • Manufacturer:
    ABB
  • Part Number:
    RINT-6421C
  • Product Family:
    ABB Drives
  • Power Supply:
    24 V DC
  • Input Voltage:
    200-480 V AC
  • Frequency:
    50/60 Hz
  • Output Voltage:
    0-400 V DC
  • Max Output Current:
    25 A
  • Operating Temperature:
    -10°C to 55°C
  • Storage Temperature:
    -20°C to 70°C
  • Humidity Range:
    5% to 95% Non-condensing
  • Communication Interface:
    RS-485
  • Protection Class:
    IP20
  • Certifications:
    CE, UL
  • Weight:
    0.7 kg
  • Estimated shipping dimensions:
    28.5x27.3x6.5cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The core positioning of the ABB RINT-6421C Main Circuit Interface Board is as a "bridge" component between the main circuit and control circuit in industrial inverters. Its core function is to achieve efficient isolation and precise connection between the two types of circuits—safely transmitting the precise control signals output from the control unit to the main power circuit to drive the stable operation of power devices, and also collecting and feeding back the voltage, current, and other status signals of the main circuit to provide data support for the inverter's core functions such as speed control and overload protection. As a dedicated interface board for ABB frequency converters, its hardware specifications are perfectly suited to the needs of industrial frequency conversion scenarios, making it a core hardware component ensuring the stable operation of frequency conversion systems.

In terms of electrical performance, this interface board exhibits strong adaptability: it uses a standard 24V DC control power supply while supporting a wide input voltage range of 200-480V AC and a universal grid frequency of 50/60Hz, flexibly adapting to different power supply environments in different regions and under different operating conditions. The output can provide an adjustable voltage of 0-400V DC and a maximum output current of 25A, precisely matching the power drive requirements of medium and low voltage frequency converters. Furthermore, the board integrates an RS-485 communication interface, enabling real-time data interaction with the upper-level control system, facilitating remote monitoring of the board's operating status by maintenance personnel and improving the system's intelligent management level.

In terms of environmental adaptability and safety, the RINT-6421C operates within a temperature range of -10°C to 55°C and a storage temperature range of -20°C to 70°C. Combined with a non-condensing humidity tolerance of 5% to 95%, it can operate stably in the complex environments of most industrial plants. Its IP20 protection rating effectively prevents dust and other fine particles from entering the circuitry, reducing the risk of hardware failure. Furthermore, this board has obtained international authoritative certifications such as CE and UL, and its electrical safety and electromagnetic compatibility meet global industrial equipment access standards, making it widely applicable in frequency converter systems across multiple industrial sectors, including metallurgy, chemical engineering, and machinery manufacturing.
Alternative Names
R1NT-6421C RINT-64Z1C RINT-642IC RINT6421C R1NT6421C RINT64Z1C RINT642IC
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the RINT-6421C input voltage range?
The board accepts 200–480 V AC.
Are there discounts for bulk orders?
Pricing may vary with quantity; please contact our sales team for available discounts.
What is the RINT-6421C maximum output current?
Up to 25 A DC output.
How long does it take to ship?
Typically 2–3 business days after payment confirmation.
What is the RINT-6421C operating temperature range?
-10°C to +55°C, suitable for industrial environments.

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