Allen-Bradley | 140U-H2C3-C20 | Circuit Breaker | 20A | 3-Pole

Allen-Bradley 140U-H2C3-C20 Circuit Breaker — a rugged three-pole, 20-amp protective device designed for demanding industrial panels. This model delivers coordinated overcurrent protection across all three phases, helping prevent equipment damage and downtime during fault events and routine operation.

Designed for maintenance, retrofit, and replacement projects where exact specifications matter, the 140U-H2C3-C20 is the definitive reference for matching specs in Allen-Bradley systems. Before ordering, verify fit and ratings using the part number as your primary reference.

Key advantages

• Three-pole protection: ensures coordinated shutdown across all three phases, preserving motor control and process integrity.
• 20A rating: suitable for circuits that require reliable protection without unnecessary tripping during normal startup.
• Exact-match compatibility: part number 140U-H2C3-C20 is the strongest indicator for panel compatibility and replacement accuracy.
• Maintenance-friendly: ideal for service outages, retrofits, and replacements where downtime is minimized and sparing is straightforward.
• OEM-grade reliability: manufactured by Allen-Bradley, a trusted name in industrial automation.

Who it's for: maintenance technicians, panel builders, OEMs, and facilities teams responsible for three-phase electrical systems that depend on proven, identifiable components for quick replacements and predictable performance.

Use cases include retrofitting legacy panels to restore three-phase protection, replacing worn protective devices in service panels, and ensuring consistent protection in rebuilt equipment where matching the 140U-H2C3-C20 specification is essential.

Important note: the part number is the best reference for compatibility. Always confirm the 20A, 3-pole requirements match your existing installation before purchasing.