Siemens | HE3A070 | Circuit Breaker | 70A | 3-Pole | 480V

Siemens HE3A070 Circuit Breaker is a robust, 3-pole device rated for 70 amps and 480 volts, engineered to deliver reliable protection in demanding electrical assemblies. Designed for maintenance, retrofit, and replacement projects, this breaker ensures precise compatibility with Siemens systems through its exact part-number reference.

Key specifications

• Amperage: 70 A
• Poles: 3-Pole
• Voltage: 480 V
• Reference: Part number HE3A070 for compatibility checks

Why this Siemens breaker stands out

• Exact-fit replacement: Use the HE3A070 as the primary compatibility reference to ensure seamless swaps in Siemens panels and distribution gear.
• Three-pole configuration for three-phase systems: Suitable for 480V three-phase layouts, providing coordinated interruption across conductors and consistent protection.
• Maintenance-friendly: Ideal for ongoing service, panel retrofits, and equipment upgrades where downtime must be minimized and reliability is non-negotiable.
• Long-term compatibility: Designed to align with Siemens protection standards, reducing mismatch risk during future panel upgrades or expansions.

Installation and compatibility tips

Before ordering, verify your system details: confirm the panel model accepts 3-pole 480V breakers, check the bus configuration, and ensure the amperage matches your protection scheme. The HE3A070 part number is the most reliable reference for compatibility across Siemens equipment. If replacing an older unit, note the original trip characteristics and mounting arrangement to minimize install time and ensure proper interlock behavior where applicable.

Designed for professionals who demand dependable protection in industrial and commercial electrical infrastructure, the Siemens HE3A070 Circuit Breaker delivers clear, immediate protection for three-phase networks while maintaining consistent performance throughout the system’s life. Add it to your toolkit for field-ready protection that aligns with Siemens standards and your 480V, 3-pole distribution needs.