Westinghouse EHB3070-L Circuit Breaker, 70A, 3-Pole, 480V

Westinghouse EHB3070-L Circuit Breaker is a rugged 70 A, 3-pole protection device engineered for demanding industrial electrical service, maintenance, and replacement projects. Rated at 480V, this breaker is designed to reliably interrupt three-phase power, safeguarding both equipment and personnel in high-demand environments.

• Amperage: 70 A
• Poles: 3
• Voltage: 480V
• Part Number: EHB3070-L
• Intended Use: industrial service, maintenance, and replacement applications

What makes the EHB3070-L stand out is its ability to provide reliable, phased protection across three conductors. The 3-pole design ensures all three phases are interrupted together, reducing the risk of uneven faults and simplifying diagnostic checks during maintenance. When your operation depends on continuous uptime and safe shutdowns, this breaker delivers predictable performance in panelboards and switchgear designed for heavy-duty use.

Compatibility and fit are essential to a successful replacement. Verify fit by part number and application requirements before installation. If you’re unsure about compatibility or matching part numbers for your specific system, message us for expert assistance and we’ll help confirm the right fit.

Ideal use cases

• New installations in industrial panels where three-phase protection at 480V is required
• Replacement of worn or obsolete breakers in maintenance programs
• Protection for feeders supplying motors and equipment in manufacturing, processing, and heavy industry
• Spare parts for service teams who prioritize quick, reliable field support

Practical installation and operation tips

• Check that the panel or switchgear accepts 3-pole 480V protection and that the bus configuration matches the EHB3070-L
• Inspect mounting and terminal torque per your equipment’s guidelines to ensure solid, vibration-resistant connections
• Coordinate with your safety and maintenance plan to document the part number for future replacements

With the Westinghouse name backing your protection strategy, the EHB3070-L is a dependable choice for industrial environments where protection, reliability, and ease of replacement matter most. If you need help validating compatibility or locating the exact fit, reach out and we’ll assist you in confirming the right part for your application.