Siemens HP3B100 100A 3-Pole 240 V Circuit Breaker

Siemens HP3B100 100A 3-Pole 240 V Circuit Breaker is designed to safeguard your three‑phase electrical system with precision and reliability. With a 100‑amp rating across three poles and a 240‑volt operating range, this breaker is engineered to interrupt fault currents quickly, protecting wiring, equipment, and personnel in demanding environments.

Built for direct use in compatible Siemens panels that accept HP‑series breakers, the HP3B100 offers a straightforward, dependable replacement option that maintains proper panel labeling and code‑compliant protection settings. This is the kind of component electricians rely on for consistent performance where uptime matters.

• Current rating: 100 A
• Poles: 3
• Voltage rating: 240 V
• Part Number: HP3B100
• Brand/Series: Siemens HP3B family
• Application: Direct replacement in Siemens panels designed to accept HP3B breakers
• Protection approach: Three‑pole configuration provides coordinated, simultaneous trip across all phases to reduce the risk of phase imbalance and multi‑circuit faults

Ideal applications

• Commercial and light industrial three‑phase circuits operating at 240 V
• Panel upgrades or replacements in existing Siemens electrical systems
• Protection for heavy-load equipment, motors, and distribution feeders that run on 3‑phase power

Why this matters

Choosing the Siemens HP3B100 means pairing your installation with a component designed for dependable, coordinated protection across all three phases. Its 100 A rating is well-suited for mid‑range three‑phase loads, helping prevent damage from short circuits and overloads while supporting safe shutdown sequences. By using the correct HP3B breaker, you maintain electrical system integrity, ease maintenance, and ensure compliance with standard electrical practices.

Before replacing, verify that your panel accepts HP3B breakers and that the HP3B100 is the correct rating for the protected circuit. When in place, this Siemens circuit breaker delivers clear protection, reliable performance, and peace of mind for demanding 3‑phase applications.

Order with confidence—the Siemens HP3B100 100A 3-Pole 240 V Circuit Breaker is ready to protect your critical loads and keep your system running smoothly.