Megger SPI4000 smart primary injection test system
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    Megger SPI4000 smart primary injection test system

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    Megger SPI4000 is a high-current primary injection test set delivering up to 40,000 A, ideal for circuit breaker and relay testing with unmatched accuracy and reliability.

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    SKU: 125524 Category:
    Brand:Megger

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    Description

    Megger SPI4000 – High Current Primary Injection Test Set

    The Megger SPI4000 is a powerful, fully featured primary injection test set engineered for high-current testing of circuit breakers, protective relays, and other critical protection devices. With the ability to deliver up to 40,000 A of output current, the SPI4000 ensures accurate and repeatable results across a wide range of test applications.

    Designed with Megger’s reputation for precision and reliability, this model combines robust performance with advanced features for maximum operator confidence. Its auto-sensing input system and multiple output ranges make it highly versatile for field and laboratory testing.

    Megger SPI4000 Key Features

    • High Output Current: Delivers continuous output up to 4,000 A, and short-duration pulses up to 40,000 A.

    • Flexible Duty Cycles: Adjustable on/off cycles ensure safe testing under thermal limits.

    • Automatic Input Sensing: Operates on standard 480 V supply, with capability to run on reduced input voltage with output adjustments.

    • Multiple Output Ranges: Series and parallel configurations optimize voltage and current for a wide variety of load impedances.

    • Dedicated Stab Adapter System: Includes CBS-1 and CBS-2 stab sets for efficient testing of draw-out style, metal-clad breakers, minimizing energy losses.

    • Compliant & Safe: Built in accordance with IEC standards for electrical safety and reliability.

    Megger SPI 4000 Applications

    The Megger SPI4000 is ideal for:

    • Primary injection testing of circuit breakers (molded-case, metal-clad, draw-out).

    • Verification of protective relay operation under fault conditions.

    • Testing busbar and cable connections for proper fault handling.

    • Commissioning and maintenance of power distribution systems.

    Why Choose the SPI4000?

    • Exceptional current output with robust duty cycle flexibility.

    • Reliable Megger engineering ensures consistent test results.

    • Portable and practical for on-site or workshop use.

    • Equipped with specialized adapters for safer, more efficient breaker testing.

    Datasheet

    Datasheet

    Mme-pdfs-image

    Specifications

    Specifications

    Input Specifications

    Model Input Voltage Input Current Input Frequency
    SPI4000 480 V ±5% 225 A 60 Hz

    The unit will produce maximum rated output when the input is as specified in the above table.
    The unit auto-senses the input voltage and can run on any input voltage down to 260 volts, with possible limitations.
    The unit can run with a 240-volt input, with the 240-volt mode selected, and will produce ½ of rated output.

    Output Specifications

    Output circuit: The output of the test set is adjustable from zero to the maximum current available through the impedance of the device under test.
    Multiple output ranges are provided to accommodate a variety of load circuit impedances. For high impedance devices, the output can be connected in series to increase the output voltage at a reduced maximum current.
    The maximum current available is determined by the load circuit impedance and the input voltage, while the duration is determined by thermal conditions within the test set.

    Duty Cycles for SPI4000 Circuit Breaker Test Set

    Current Rating (through breaker) Time On Time Off
    4,000 A Continuous N/A
    4,500 A 30 Min 30 Min
    6,000 A 15 Min 45 Min
    15,000 A 2 Min 60 Min
    40,000 A 2.5 Sec 12 Min

    Output Connections

    Each test set is equipped with a Megger stab adapter board and stab sets (Model CBS-1 and CBS-2) for use with draw-out style, metal-clad breakers.
    The stabs eliminate the significant losses that occur if leads are used to connect the breaker under test to the test set.
    Cables must be used when testing molded-case breakers or other devices that cannot connect directly to the stabs.

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