Westinghouse EHB3025S - 25A, 480VAC, 3-Pole, Circuit Breaker

The Westinghouse EHB3025S is a rugged, dependable 3-pole circuit breaker engineered for demanding three-phase systems. With a 25A rating and a 480VAC maximum, it delivers reliable overcurrent protection in industrial, commercial, and OEM applications, safeguarding equipment and reducing unplanned downtime in distribution panels and motor control centers.

Why the EHB3025S stands out

• Three-pole design for true three-phase protection. When a fault occurs, all three phases trip together, ensuring balanced shutdown and safer, more predictable downstream behavior.
• Solid compatibility range. Rated up to 480VAC, it fits common industrial power architectures and works well in panelboards, switchboards, and control panels that power motors and drives.
• Compact, reliable protection for critical systems. The 25A rating is ideal for protecting branch circuits, motor starters, feeders, and other three-phase loads without unnecessary nuisance trips.
• Designed for diverse environments. Suitable for factory floors, commercial facilities, and OEM setups where robust protection and consistent performance matter.

Ideal use cases

• Panelboards and switchboards in manufacturing lines that run multiple motors and automated equipment.
• Motor control centers requiring dependable overcurrent protection for three-phase drives.
• Distribution panels in commercial buildings where safety and reliability are paramount.
• OEM assemblies that need a compact, standard-rated circuit breaker to meet installations and schematics.

Technical snapshot

• Current rating: 25A
• Voltage rating: Up to 480VAC
• Poles: 3-Pole
• Breaker type: Circuit Breaker
• Applications: Panelboards, switchboards, control panels, motor control centers

How it contributes to uptime and safety

By providing precise overcurrent protection, the Westinghouse EHB3025S helps prevent damage to wiring, drives, and motors while enabling quick, clean shutdowns when faults occur. Its 3-pole architecture minimizes imbalances in three-phase systems, which translates to smoother starts and less wear on downstream components. For facilities managing energy and maintenance budgets, this means fewer disruptions and better predictability in daily operations.

Practical tips for installation and use

• Verify system compatibility: ensure your three-phase circuit operates within the 480VAC maximum, and that the load profile aligns with a 25A protection level.
• Plan wiring for three-phase continuity: route all three phase conductors and the neutral (if present) through the breaker’s trip mechanism to guarantee synchronized disconnection.
• Follow installation guidelines: mount and secure the device per manufacturer instructions, and use appropriate conductor sizes and terminations for reliable connections.
• Schedule proactive maintenance: periodically inspect connections for tightness and signs of wear to sustain optimal performance and avoid unexpected trips.

Whether you’re outfitting a new distribution panel, upgrading an existing motor control center, or designing a compact control system for machinery, the Westinghouse EHB3025S delivers precise, dependable protection in a compact 3-pole package. Its combination of 25A current rating, 480VAC capability, and three-phase safety benefits makes it a practical, future-ready choice for controlled, safe power distribution.