Westinghouse QNPAL2100 - 2100-100A, 2-Pole, Circuit Breaker

The Westinghouse QNPAL2100 (2100-100A), a 2-Pole circuit breaker, is engineered to deliver dependable overcurrent protection in demanding electrical environments. Designed for integration into panelboards, switchboards, and control panels, this model provides reliable safety and control in industrial, commercial, and OEM applications.

Key specifications

• Current rating: 100 A
• Poles: 2-Pole
• Breaker type: Circuit Breaker

Why the QNPAL2100 matters for your system

• Two-pole design ensures simultaneous disconnection of both conductors, enhancing safety and simplifying code compliance in multi-wire circuits.
• Flexible integration into modern distribution architectures—ideal for panelboards, switchboards, and motor control centers where dependable protection is critical.
• Consistent, predictable performance in industrial environments, supporting reliable uptime and safer maintenance cycles.

Who this is for

• Industrial facilities looking for rugged, long-lasting overcurrent protection
• Commercial buildings requiring robust protection in distribution panels and control systems
• OEMs designing equipment that demands a proven, ready-to-install 2-Pole circuit breaker solution

Use cases and practical applications

• Protection in new installations or retrofits of panelboards and switchboards
• Motor control centers where coordinated protection across multiple lines is essential
• Distributed power assemblies in OEM equipment that require reliable, easily replaceable breakers

Practical tips for installation and operation

• Verify compatibility with your panel or enclosure’s frame and mounting configuration
• Ensure the 100 A rating aligns with the connected load and protective device coordination strategy
• Follow appropriate electrical codes and manufacturer guidelines during installation and maintenance