Siemens | HQJ3B100H00S11 | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On

Siemens HQJ3B100H00S11 is a 100A, 3-Pole, 240V bolt-on circuit breaker engineered for reliability in maintenance, retrofit, and replacement projects where exact specifications matter. Designed to slot into compatible Siemens panels, this breaker provides solid overcurrent protection for high-demand circuits while maintaining a compact, secure mounting footprint.

Key benefits that matter in real-world installs

• Precise amperage rating: 100A protection for heavy-load circuits, helping safeguard equipment and wiring from overloads.
• Three-pole architecture: 3-Pole design supports three-phase systems or multi-pole protection within a single device, simplifying panel layouts in industrial and commercial settings.
• 240V operation: Suitable for 240V distribution networks common in commercial installations and equipment feeds.
• Bolt-On mounting: Secure, mechanical attachment compatible with panels that accept bolt-on breakers, delivering dependable hold-in-place performance in environments with vibration or movement.
• Exact compatibility reference: The part number HQJ3B100H00S11 is your best reference for matching panels and ratings, reducing guesswork during retrofit or replacement.

Where and how you’ll use it

Ideal for commercial and light industrial panels that require a 100A, 3-pole, 240V bolt-on breaker. Use cases include feeder protection for large circuits, motor control lines, HVAC service feeders, and other high-current loads where clean, predictable protection is essential. This breaker is particularly valuable during panel upgrades or retrofits where matching an existing Siemens specification ensures seamless compatibility and ongoing maintenance support.

Installation considerations and best practices

Before ordering, confirm fit and ratings to ensure compatibility with your specific panel model. Always verify the panel labeling and the supported accessory list to ensure the HQJ3B100H00S11 is permitted in your enclosure. When installing:

• Power down the panel and follow lockout/tagout procedures.
• Use the correct mounting hardware and torque per your panel’s instructions to secure the bolt-on assembly.
• Coordinate with your electrical design to ensure the 3-pole configuration aligns with the intended phase protection and wiring scheme.

By choosing the Siemens HQJ3B100H00S11, you’re selecting a trusted, manufacturer-backed solution designed for dependable protection in demanding electrical environments. Verify the exact part number against your panel specifications and proceed with confidence for retrofit, maintenance, or replacement projects.