Siemens | HGB3K100B | Circuit Breaker | 100A | 3-Pole | 600V

The Siemens HGB3K100B circuit breaker is your precise, ready-to-use solution for 3‑phase electrical protection in demanding environments. With a 100 A rating, 3 poles, and a 600 V working range, this is a genuine Siemens component designed for reliability, accuracy, and long-term serviceability in maintenance, retrofit, and replacement projects.

• Amperage: 100 A
• Poles: 3‑Pole
• Voltage rating: 600 V
• Part reference: HGB3K100B

Ideal for engineers and technicians who value exact specifications and seamless compatibility, this part is specifically suited for Siemens-compatible panels and systems that require a 3‑pole, 600V protective device. Using the correct part number is the most reliable way to guarantee a proper fit, correct mounting interface, and consistent protection characteristics across your distribution network.

Why this matters in real-world use

• Maintenance readiness: Keep a genuine Siemens replacement on hand to minimize downtime when a protective device reaches end-of-life or shows signs of wear.
• Retrofit capability: If your system evolves to a higher current requirement within a 3‑phase setup, this part aligns with that 100 A target while preserving existing panel architecture.
• Secure replacement: Matching the exact part number (HGB3K100B) ensures compatibility with your existing trip curves, bus connections, and enclosure tolerances, reducing guesswork during service.

How to approach installation and verification (quick guidelines):

• Cross-check the panel label and the system's voltage and phase configuration to ensure the 100 A, 3‑pole, 600 V rating aligns with your site requirements.
• Verify that the HGB3K100B part number is the correct reference for your current breaker lineup to avoid mismatches in protection characteristics.
• Plan for periodic testing after replacement to confirm proper operation within your electrical protection scheme.

Designed with Siemens quality standards, the HGB3K100B circuit breaker delivers dependable overcurrent protection for industrial, commercial, and heavy-duty applications where precise, technicians‑validated compatibility matters most. When you need a genuine, specification‑matching replacement, this 100 A, 3‑pole, 600 V device is built to perform—and to keep your system running with maximum confidence.