Siemens HF63B110 Circuit Breaker, 110A, 3-Pole, 600V

The Siemens HF63B110 is a rugged, three‑pole circuit breaker designed to safeguard industrial electrical systems with precision and reliability. Rated for 110 A in 3‑phase power, it provides dependable overcurrent protection for demanding maintenance, service, and replacement projects. When compatibility matters, the part number HF63B110 is your best guide to a proper fit in suitable Siemens installations.

• Nominal amperage: 110 A — robust protection for medium‑sized industrial feeders and motors without nuisance tripping.
• Poles: 3‑pole configuration — ideal for 3‑phase systems common in manufacturing, processing, and automation environments.
• Voltage rating: 600 V — suitable for a wide range of industrial distribution panels and equipment with higher voltage requirements.
• Application focus: engineered for industrial electrical service, maintenance, and replacement projects where reliable interruption protection is critical.
• Compatibility cue: verify fit by part number HF63B110 and by your application requirements to ensure seamless integration.
• Brand assurance: backed by Siemens’ engineering heritage, offering consistent performance, availability, and support for ongoing maintenance programs.

Why this 3‑pole Siemens breaker matters for your operation

• Protects motors, drives, and feeders in 3‑phase systems from overloads and short circuits, helping to reduce equipment damage and unplanned downtime.
• Streamlines maintenance and replacement workflows with a clearly identified, compatible part number for easier ordering and stocking.
• Designed for industrial environments where reliability and predictability are non‑negotiable, giving you peace of mind during daily operations.

Ideal for facilities with 3‑phase power needs, including manufacturing floors, processing plants, and large commercial or institutional electrical rooms. It’s particularly well‑suited for projects involving panel upgrades, service renewals, and spare‑part inventories where precise Siemens compatibility is essential.

Comparison to typical alternatives — while many breakers offer similar protection, the HF63B110 delivers Siemens‑grade consistency, a clearly defined HF63B110 part number for accurate replacements, and a form factor aligned with Siemens panels and accessories. This reduces guesswork during retrofits and minimizes compatibility risk in critical infrastructure.

Practical tips for installation and use

• Always confirm the part number and compatibility with your specific panel or equipment before purchasing.
• Follow all applicable electrical codes and perform work under the supervision of a licensed electrician.
• Keep a small stock of HF63B110 for planned replacements in maintenance programs to reduce downtime.
• Store spares in a dry, clean environment to preserve contact integrity and performance.

Specifications at a glance

• Manufacturer: Siemens
• Part Number: HF63B110
• Product Type: Circuit Breaker
• Amperage: 110 A
• Poles: 3
• Voltage: 600 V

Need help confirming compatibility or matching this part number to your application? Send us a message and we’ll help ensure you choose the right Siemens solution for your downtime‑critical electrical system.