Siemens | HGB3K030B | Circuit Breaker | 30A | 3-Pole | 600V

When safeguarding multi‑phase electrical systems, the Siemens HGB3K030B circuit breaker delivers precise overcurrent protection with confidence. With a 30 A rating across 3 poles and a 600 V maximum voltage, this unit is engineered to integrate seamlessly with compatible Siemens panels, making maintenance, retrofit, and replacement projects straightforward and dependable.

• Current rating: 30 A
• Poles: 3-Pole
• Voltage rating: 600 V
• Part number: HGB3K030B
• Type: Circuit Breaker (three‑pole protection for multi‑phase circuits)

Why the HGB3K030B stands out for Siemens installations

Designed to meet Siemens engineering standards, this 3‑pole circuit breaker provides reliable protection for three‑phase loads while aligning with exact compatibility requirements. The HGB3K030B is the practical choice when your project specification calls for the exact part number to ensure proper coordination, trip characteristics, and panel compatibility. In environments where uptime matters, using a Siemens part that matches the original specs minimizes mismatch risks and simplifies sourcing.

Ideal use cases

• Maintenance: Replace aging or worn breakers in Siemens panels to restore trusted protection without downtime.
• Retrofit: Upgrade or adapt existing installations that require a 30 A, 3‑pole, 600 V solution to support updated equipment or layouts.
• Replacement: Keep spare parts on hand for quick, field-ready swaps that fit specific Siemens panel configurations.
• Three‑phase protection: Ideal for commercial or light industrial circuits where balanced, multi‑pole protection is essential.

Installation and compatibility notes

Before ordering, verify fit and ratings against your panel specifications. The part number HGB3K030B is the most reliable reference for compatibility, ensuring correct trip settings and seamless integration into your Siemens ecosystem.

Practical considerations and benefits

Choosing the HGB3K030B means opting for a part that aligns with Siemens design tolerances, helping to ensure coordinated protection across all three poles and reducing the risk of nuisance trips. Its 600 V rating makes it suitable for higher‑voltage commercial applications, while the 30 A rating protects circuits without unnecessary power interruptions. For technicians and procurement teams, sourcing the exact HGB3K030B simplifies inventory management and reduces the guesswork during panel commissioning or service calls.