Siemens | HEG3B100L | Circuit Breaker | 100A | 3-Pole

Meet Siemens HEG3B100L, a 100A, 3-pole circuit breaker engineered for robust protection in 3‑phase electrical systems. Identified by the part number HEG3B100L, this device is built for maintenance, retrofit, and replacement projects where exact specifications matter.

Key specifications

• Amperage: 100 A
• Poles: 3‑Pole
• Part number: HEG3B100L

Why this Siemens HEG3B100L stands out

Choosing this breaker means aligning with Siemens’ proven protection standards for three‑phase circuits. The HEG3B100L reference is the most reliable way to ensure compatibility with your panel and upstream protection scheme, reducing guesswork during replacements or upgrades.

Ideal use cases

• Maintenance: keep your Siemens distribution panel operating safely during routine service intervals.
• Retrofit: upgrade or modify existing three‑phase systems without changing the surrounding panel architecture.
• Replacement: restore protective coverage in panels that require exactly this part number for continued code compliance.

Fitment, safety, and installation notes

Important: Confirm fit and ratings before ordering. The HEG3B100L is designed to match specific Siemens panels and listings, so verify that your panel documentation lists HEG3B100L as a compatible accessory. When in doubt, reference the part number as the primary compatibility reference to avoid mismatches.

Practical tips for max reliability

• Keep the HEG3B100L part number handy in your equipment records for quick ordering and cross-checks.
• Check panel documentation or labeling to confirm that a 3‑Pole, 100A device is the correct protection configuration for the circuit in question.
• Store spare breakers in a cool, dry place to maintain longevity and readiness for emergency replacements.

Choosing this Siemens circuit breaker delivers a dependable, panel‑ready solution that supports uninterrupted power distribution in commercial or industrial environments. For precise, field‑ready replacement, the HEG3B100L provides the exact matching reference you need for safe, code‑compliant protection.