Siemens | HE3A090 | Circuit Breaker | 90A | 3-Pole | 480V | Bolt-On

Siemens HE3A090 Circuit Breaker is a robust protection solution engineered for demanding industrial power systems. This 3-pole, 90A device operates at 480V and uses a bolt-on mounting for quick, secure installation in compatible panels. Designed for maintenance, retrofit, and replacement projects where exact specifications matter, the HE3A090 delivers reliable overcurrent protection with a straightforward installation process.

• Amperage: 90 A
• Poles: 3-Pole
• Voltage: 480 V
• Mounting: Bolt-On

Why choose the Siemens HE3A090 for your power distribution

What sets this breaker apart is its bolt-on design, enabling fast and secure field installation in panels that require a 3-pole, 90A, 480V protective device. Siemens is known for consistent trip characteristics and durable construction, helping to minimize nuisance trips and maximize panel uptime in demanding environments.

Compatibility and ordering notes

Notes: Confirm fit and ratings before ordering. The part number is the best reference for compatibility, so compare HE3A090 to your panel’s documented requirements and bus configuration to ensure a seamless swap.

Practical use cases

• Maintenance: swap aging or failed breakers in 480V, 3-pole layouts to restore reliable circuit protection with minimal downtime.
• Retrofit: upgrade legacy panels to contemporary protection standards while preserving existing wiring and bus arrangements.
• Replacement: perform exact-spec replacements in systems that originally spec’d HE3A090 or equivalent Siemens bolt-on breakers.

For facilities and equipment where precise protection, durable construction, and straightforward installation matter, the Siemens HE3A090 3-Pole, 90A, 480V bolt-on circuit breaker is a dependable choice. Verify the part number and ratings to ensure a perfect match for your panel and application.