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Schneider Electric A9KS15263BQ

The Schneider Electric A9KS15263BQ is a high-performance 63A 2-pole (1P+N) switch disconnector belonging to the premium Acti9 iSW-NA series. Engineered in France, this unit is designed specifically for positive contact indication and secure electrical isolation in 415V networks. Unlike standard circuit breakers, this model focuses on heavy-duty manual switching under AC-23A utilization categories, ensuring reliable performance when managing mixed resistive and inductive loads in professional DIN rail assemblies.

Quick Answer

The A9KS15263BQ is a manual isolation switch used to safely disconnect 1-phase + Neutral circuits up to 63A. It is ideal for use as a main switch in distribution boards where downstream maintenance requires a physical, visible break in the electrical supply.

Robust 63A current rating suitable for heavy industrial and commercial loads
2-Pole (1P+N) configuration ensures complete isolation of both live and neutral lines
AC-23A utilization category for high-frequency switching of inductive loads
Standard 35mm DIN rail mounting for seamless Acti9 system integration
High-grade thermoplastic housing with IP40 protection rating

Choose the Schneider Electric A9KS15263BQ if you require a reliable, French-engineered 63A manual isolator for an Acti9 distribution board. It is the definitive choice for 1-phase + Neutral circuits where safety, brand-compatibility, and heavy-duty load switching (AC-23A) are the primary technical requirements.

✓ Who Should Buy

  • Electrical panel builders requiring genuine Schneider Acti9 iSW-NA components
  • Commercial facility managers looking for a 63A 1P+N master isolation switch
  • Industrial maintenance teams needing a high-durability disconnector for motor loads

✕ Who Should Avoid

  • Residential users needing automatic short-circuit protection (this device does not trip)
  • High-power industrial applications exceeding 63A or requiring 3-phase (3P/4P) isolation
Product Overview
The Schneider Electric A9KS15263BQ represents a critical safety component for modern electrical infrastructure. Part of the Acti9 iSW-NA range, it provides a dedicated point of isolation that is mechanically independent of protection logic. This means while it does not trip under fault, it offers superior contact durability and a clear 'OFF' state that is vital for technicians performing site maintenance. Its 415V rating makes it versatile for both high-voltage single-phase industrial taps and standard commercial panels. Designed with ergonomics and longevity in mind, the unit features a rotary-style manual operation mechanism and secure screw terminals that handle high torque for low-resistance connections. The thermoplastic construction is flame-retardant and built to withstand the thermal stresses of a continuous 63A load, making it a 'fit-and-forget' solution for professional electrical contractors seeking Schneider’s signature reliability.

BrandSchneider Electric
Model NameA9KS15263BQ
TypeMain Switch Disconnector
SeriesActi9 iSW-NA
Housing MaterialThermoplastic
Country Of OriginFrance
Release Year2012

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Engineering Analysis
The internal architecture of the A9KS15263BQ focuses on contact separation distance and arc quenching capabilities. Operating at 415V, the 2-pole configuration is essential for 1-phase + Neutral systems to prevent neutral displacement issues during isolation. The screw terminal design is optimized for cables up to 63A capacity, ensuring thermal stability. Furthermore, the IP40 rating ensures the internal mechanics are shielded from solid objects, maintaining the integrity of the switching mechanism over its long service life since its 2012 series release.

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