Disjoncteurs Schneider A9F79350

Description

The A9F79350 is an iC60N miniature circuit breaker (MCB) from Schneider Electric, engineered for reliable circuit protection in commercial and industrial electrical distribution systems. This 3-pole (3P) device features a 50 A nominal current rating and follows a C-characteristic tripping curve, making it ideal for applications with moderate inrush current, such as lighting and motor loads. The iC60N series is recognized for its high-performance breaking capacity and durability, providing robust protection against overloads and short circuits.

Features

• Series: iC60N
• Poles: 3P (3-pole)
• Nominal Current: 50 A
• Tripping Curve: C-characteristic (standard for general-purpose applications)
• Design: Compact, modular design for DIN-rail mounting

Applications

• Commercial building electrical distribution
• Industrial machine supply circuits
• Lighting circuit protection
• Motor circuit protection (within current limits)
• General-purpose low-voltage distribution

Technical Specifications

Installation Guidelines

• Mounting: Snap-mount the circuit breaker onto a standard 35 mm DIN rail. Ensure the device is installed in a vertical orientation for optimal thermal performance.
• Wiring: Connect supply conductors to the top terminals and load conductors to the bottom terminals. Ensure wire cross-sections are appropriate for a 50 A continuous load and are tightened to the torque values specified in the device manual.
• Environment: Install within a protected electrical panel or distribution enclosure. The operating environment should be free from excessive moisture, corrosive gases, and extreme ambient temperatures.
• Safety: Always verify that the downstream circuit is safe before energizing the breaker. Ensure the circuit breaker is fully engaged on the DIN rail to prevent contact resistance.
• Maintenance: Periodically check terminal connections for tightness to prevent overheating due to thermal expansion or vibration.