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ABB F404 Series Residual Current Circuit Breaker, 40A, 3-Pole, 30 mA, Type A, 1 kA 400V ac
The ABB F404 Series Residual Current Circuit Breaker, 40A, 3-Pole, 30 mA, Type A, 1 kA 400V ac offers dependable industrial performance and is suitable for deployment across power distribution, oil and gas, petrochemical, and manufacturing facilities.

ABB F404 Series Residual Current Circuit Breaker, 40A, 3-Pole, 30 mA, Type A, 1 kA 400V ac
The ABB F404 Series Residual Current Circuit Breaker, 40A, 3-Pole, 30 mA, Type A, 1 kA 400V ac offers dependable industrial performance and is suitable for deployment across power distribution, oil and gas, petrochemical, and manufacturing facilities.

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Product Description
Built to exacting standards, the ABB F404 Series Residual Current Circuit Breaker, 40A, 3-Pole, 30 mA, Type A, 1 kA 400V ac delivers reliable industrial performance across multiple sectors.
Featuring a robust build quality, this component is designed to maintain consistent performance under variable load conditions. The engineering behind this product reflects decades of industrial expertise, resulting in a component that balances reliability with ease of use. Its standardized form factor allows for quick replacement and seamless integration within established industrial setups.
This product is commonly deployed in oil and gas processing facilities, where reliable electrical protection and control are critical for operational safety. It finds application in power distribution systems, cement manufacturing plants, and petrochemical processing environments. Marine installations, railway infrastructure, and aviation facilities also benefit from the proven performance characteristics of this type of industrial component.
Technical compliance with IEC standards ensures that this product meets the electrical and mechanical requirements of professional industrial installations. The product is rated for the temperature ranges, protection classes, and operational duty cycles that are standard in industrial environments. This level of technical specification supports confident deployment in regulated industry sectors.
Selecting the right industrial component involves balancing technical specification, availability, and total cost of ownership. This product addresses all three dimensions: it meets the technical requirements of professional industrial applications, is available through Z&F Corporation's industrial supply network, and its durability supports a favorable total cost of ownership over its service life. Engineering teams evaluating this product can draw on its established specification history and recognized brand pedigree to support procurement decisions with confidence. This combination of technical and commercial attributes makes it a practical and reliable choice for industrial projects of all scales.
Sourced and supplied by Z&F Corporation, this product is backed by expert technical support and a commitment to industrial quality standards. It represents a proven specification for industrial applications where reliability, safety, and performance consistency are required. For more information about this product, technical specifications, or to request a quotation, contact Z&F Corporation's industrial procurement and supply team.
Frequently Asked Questions
Type AC detects standard sinusoidal AC earth-fault current only. Type A additionally detects pulsating DC fault current, which is required wherever the circuit feeds electronic equipment such as variable speed drives, EV chargers or switched-mode power supplies — most modern installations specify Type A as the minimum.
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