ABB | ES-3P-50A | Circuit Breaker | 50A | 3-Pole | 480V

ABB ES-3P-50A is a 3-pole circuit breaker engineered for dependable overcurrent protection in 480V, three-phase electrical networks. This device shines in maintenance, retrofit, and replacement projects where exact electrical specifications are required to keep panels and downstream equipment protected.

Specifications at a glance

• Amperage: 50 A
• Poles: 3-Pole
• Voltage rating: 480 V
• Reference: part number ES-3P-50A

Why this matters for your system

In a three-phase distribution setup, a 50-amp, 3-pole breaker protects wiring and downstream devices by interrupting fault currents. Using the exact ABB ES-3P-50A ensures you preserve proper trip characteristics and coordination with other protective devices, helping minimize nuisance trips while maintaining reliable protection for your equipment.

Ideal use cases

• Maintenance: replace aging or failed breakers in 480V panels without altering the existing bus configuration.
• Retrofit: update protection schemes to a known ABB specification for consistent performance.
• Replacement: keep a ready spare on hand to minimize downtime during repairs.

Compatibility and installation notes

Always confirm fit and ratings before ordering. The part number ES-3P-50A is the most reliable reference for compatibility with your panel and protection setup. Verify that your system operates at 480V and uses a 3-pole configuration to ensure seamless integration.

Practical tips: maintain precise records of the exact part numbers for future replacements, store spare breakers in an organized location, and double-check panel labeling after installation to ensure accurate protection mapping.