
GigaFuse Series
Hermetically sealed electromechanical HV DC fuses — 400-2500 A, 1000 Vdc.
- function
- 2 options
- current_a
- 400–2500
- voltage_v
- 1000
CATEGORY
Fuses are essential safety devices designed to protect electrical circuits from overcurrent conditions, preventing damage to components and ensuring system integrity. In today's rapidly evolving technological landscape, particularly within electric vehicles (EVs) and battery energy storage systems (BESS), the demand for robust and reliable circuit protection has never been higher. IMB Electric offers a comprehensive portfolio of high-performance fuses specifically engineered to meet these critical requirements. Our fuse solutions cater to a wide array of industries beyond just EVs and BESS. These include industrial machinery, renewable energy (solar, wind), data centers, power distribution, material handling, and specialty vehicles, where safeguarding high-voltage DC circuits is paramount. The increasing adoption of high-power DC systems necessitates sophisticated protection that can respond rapidly to fault conditions, isolating the problem before it cascades into systemic failure or catastrophic damage. When selecting the right fuse, several critical factors must be considered. First and foremost is the nominal current rating, ensuring the fuse can continuously carry the expected operating current without degradation. Next, the voltage rating is crucial; the fuse must be able to withstand the system's maximum operating voltage. Interrupting rating, also known as breaking capacity, specifies the maximum short-circuit current the fuse can safely interrupt. This is particularly important in high-power applications where fault currents can be substantial. The fuse’s trip curve or time-current characteristic defines how quickly it will open under different overcurrent conditions, allowing for selective coordination within a system. Form factor, mounting style (e.g., bolt-down, panel mount), and environmental considerations (temperature range, vibration resistance) are also key. Lastly, specific application requirements, such as vibration resilience for mobile applications or high-speed interruption for sensitive electronics, will guide the final selection. IMB Electric stands out by offering a specialized range of advanced fuse technologies. The GIGAVAC PyroFuse is a pyrotechnic fuse providing extremely rapid and absolute disconnection in fault conditions, ideal for primary protection in high-energy battery packs where milliseconds matter. FaultBreak self-triggered breaker fuses integrate advanced sensing and breaking capabilities, offering intelligent and autonomous circuit protection in scenarios demanding immediate isolation. Complementing these are our GigaFuse high-speed DC fuses, designed for reliable and fast-acting overcurrent protection in high-voltage DC applications up to 1000V and beyond. This diverse product line ensures that IMB Electric can provide tailored circuit protection solutions for even the most demanding high-power DC systems. Our commitment to quality, innovation, and customer support makes IMB Electric a trusted partner. We understand the complexities of designing and implementing high-voltage DC systems and offer expert guidance in fuse selection and application. By providing robust, reliable, and cutting-edge fuse technology, we empower our customers to build safer, more efficient, and more resilient electrical systems, significantly reducing downtime and protecting valuable assets. Partner with IMB Electric for superior circuit protection solutions that meet the challenges of tomorrow's power demands.
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Hermetically sealed electromechanical HV DC fuses — 400-2500 A, 1000 Vdc.

High short-circuit interrupt protection

Pyrotechnic circuit breaker — <1ms disconnect, 500 A continuous, 16-20 kA breaking capacity.
EDITORIAL
Selection guides, technical notes and brand news for this category.
This guide outlines technical criteria for selecting electric vehicle fuses, focusing on DC voltage ratings, thermal derating, and I2t values. It emphasizes the importance of managing high-voltage arcs and cyclic loading to ensure long-term reliability in automotive power electronics.
The GIGAVAC GigaFuse offers advanced circuit protection for high-voltage E-Mobility and energy storage systems through its hermetically sealed, low-resistance design. It provides superior thermal efficiency and shock resistance, ensuring fast, reliable triggering up to 1000VDC.
Sensata Technologies won a 2024 Automotive News PACE Award for its GigaFuse, the first hermetically sealed electromechanical fuse for high-voltage EVs. The innovative design clears circuits 30% faster than traditional fuses to improve battery safety and efficiency.
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