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ABB

ABB SMISSLINE TP S400M Miniature Circuit Breaker, 3-Pole, 20A, Type C, Type D, Type K, Type B, 400V ac AC, 250 V dc DC

The ABB SMISSLINE TP S400M Miniature Circuit Breaker, 3-Pole, 20A, Type C, Type D, Type K, Type B, 400V ac AC, 250 V dc DC is a professional-grade industrial component designed for reliable performance in demanding environments including power distribution, oil and gas, and process manufacturing applications.

ABB SMISSLINE TP S400M Miniature Circuit Breaker, 3-Pole, 20A, Type C, Type D, Type K, Type B, 400V ac AC, 250 V dc DC
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ABBSMI-7MEPXS
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Product Description

Built to exacting standards, the ABB SMISSLINE TP S400M Miniature Circuit Breaker, 3-Pole, 20A, Type C, Type D, Type K, Type B, 400V ac AC, 250 V dc DC delivers reliable industrial performance across multiple sectors.

This unit is constructed using high-grade materials that provide resistance to mechanical wear, thermal stress, and electrical interference. The product meets stringent quality benchmarks, ensuring that it delivers consistent results in high-demand industrial scenarios. Its design minimizes installation complexity while maximizing operational efficiency across the service life of the equipment.

The product is widely used in industrial process control applications, including manufacturing automation, power generation, and heavy industry. It supports reliable operation in oil and gas facilities, refineries, chemical processing plants, and utility infrastructure. Its suitability across multiple industry verticals makes it a versatile choice for procurement teams responsible for multi-site industrial operations.

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.

Long-term reliability depends on the quality of individual components within a system, and this product is designed to meet the demands of extended industrial service. Its construction materials and engineering tolerances are selected to maintain performance within specification over the full rated service life. For operators managing aging infrastructure or undertaking system modernization, this type of product provides a dependable upgrade path that minimizes installation complexity. The result is improved system reliability, reduced maintenance burden, and enhanced confidence in operational continuity.

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

The trip curve — how many times the rated current has to flow before it trips instantly. Type B trips at 3–5×, Type C at 5–10×, and Type D at 10–20×, so the right choice depends on the inrush current of what's connected.

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