Schneider A9N21558 - 20A, 230VAC, 1-Pole, Circuit Breaker

Schneider A9N21558 is a compact, dependable 1‑pole circuit breaker designed for robust overcurrent protection in modern electrical enclosures. Rated for 20A at up to 230V AC, this device is built to keep distribution panels and control systems safe without taking up valuable space.

Core specifications

• Current rating: 20A
• Voltage rating: 230VAC
• Poles: 1-Pole
• Breaker type: Circuit Breaker

Where this breaker shines

• Panelboards, switchboards, and control panels in industrial facilities, commercial buildings, and OEM deployments
• Motor control centers and distribution panels that require fast, reliable protection against overcurrent and short circuits
• Environments where space is at a premium but safety and reliability cannot be compromised

Why choose the A9N21558

• Reliable overcurrent protection with a 1‑pole configuration that simplifies wiring and layout in compact panels
• Designed for safe operation in demanding settings, helping to minimize downtime and protect wiring and equipment
• Part of Schneider Electric’s trusted A9N family, ensuring compatibility with standard electrical distribution and control panel components

Practical use and installation tips

• Confirm panel compatibility and mounting method for a smooth retrofit or new installation
• Label circuits clearly to reflect the protected load, aiding future maintenance and troubleshooting
• Plan for replacement or upgrade cycles in line with your facility’s safety and compliance requirements

This 20A, 230VAC, 1‑pole circuit breaker is ideal for professionals who need dependable protection in distribution panels and motor control centers without sacrificing space or performance. With straightforward installation and proven reliability, it helps keep electrical systems running smoothly—reducing risk and supporting steady, safe operation across industrial, commercial, and OEM environments.