Siemens | HE2A100 | Circuit Breaker | 100A | 2-Pole | 480V | Bolt-On

Meet the Siemens HE2A100 circuit breaker—a dependable, bolt-on solution designed for industrial panels demanding precise 100 A protection. Built for maintenance, retrofit, and replacement projects, this 2-pole breaker delivers solid performance in 480 V systems, ensuring your equipment and personnel stay safeguarded.

Key specifications

• Amperage: 100 A
• Poles: 2-Pole
• Voltage: 480 V
• Mounting: Bolt-On
• Part number: HE2A100

What sets the HE2A100 apart

Designed for panels that require a bolt-on mounting style, the HE2A100 provides a reliable, straightforward installation path in industrial environments. Its 2-pole configuration is ideal for applications where both hot conductors must be simultaneously protected, delivering coordinated isolation and protection in 480 V systems. As a Siemens part, it’s engineered to complement compatible Siemens and legacy Siemens-compatible panels, helping you maintain electrical protection continuity across upgrades and replacements.

Use cases and practical applications

• Retrofits in aging 480 V electrical panels where bolt-on mounting is preferred for secure, quick replacement.
• Maintenance replacements to restore original protection levels after component wear or failure.
• New installations in facilities designed around Siemens HE2A-series specifications, ensuring consistent protection and compatibility.
• Industrial environments where 100 A main or sub-feed protection is required for 2-pole, 480 V circuits.

Why you should choose this specific part

The HE2A100 is the clear choice when you need an exact 100 A, 2-pole, 480 V bolt-on breaker with a proven track record in demanding electrical environments. The product description emphasizes fit and ratings alignment, so you can proceed with confidence by using the part number as the primary reference for compatibility. This focus on accurate matching helps minimize downtime and ensures you’re replacing the correct device for your panel’s specifications.

Tips for a smooth replacement or retrofit

• Always verify that the target panel accepts a bolt-on HE2A-series breaker and that the rating aligns with the circuit requirements.
• Use the part number HE2A100 as the primary reference when confirming compatibility with your panel schedule or manufacturer’s documentation.
• Plan for a controlled shutdown of the affected circuit before replacement to maintain safety and prevent arcing.
• Keep a spare HE2A100 on hand for future maintenance needs to reduce panel downtime during service windows.

Whether you’re upgrading a legacy setup or refreshing a critical protection point in a 480 V system, the Siemens HE2A100 2-pole bolt-on breaker offers a straightforward, reliable path to maintain robust electrical safety and system integrity.