Siemens | QJ23B100A01 | Circuit Breaker | 100A | 3-Pole | 240V | Bolt-On

Siemens QJ23B100A01 Circuit Breaker is a robust protection device designed for maintenance, retrofit, and replacement scenarios where exact specifications matter. This 100 A, 3-pole unit operates at 240 V and uses a bolt-on mounting for a secure, field-ready installation that minimizes downtime.

Key specifications

• Amperage: 100 A
• Poles: 3-Pole
• Voltage: 240 V
• Mounting: Bolt-On
• Part number: QJ23B100A01

Why this Siemens QJ23B100A01 stands out

Designed for precise compatibility in maintenance, retrofit, and replacement work, this breaker aligns with Siemens' QJ-series ecosystem. The bolt-on design enables a secure, straightforward installation in compatible panels, reducing service time and ensuring reliable performance across your 3-phase distribution.

Compatibility and installation tips

• Always confirm fit and ratings before ordering; the part number is the best reference for compatibility.
• Suitable for 240 V three-phase systems where a 3-pole protection device is required.
• Use in panels that accept Siemens QJ-series bolt-on breakers to ensure proper latching, trip coordination, and electrical safety.

Use scenarios

Ideal for routine panel maintenance, retrofits to modern safety standards, or replacement of a failed 3-pole breaker. Whether upgrading an industrial control panel, a commercial electrical distribution system, or a data-center feeder, the QJ23B100A01 delivers dependable protection for feeders and branch circuits, helping safeguard equipment and minimize unexpected outages.

Practical deployment tips

Keep a spare QJ23B100A01 on hand for preventive maintenance programs. Label panels with the exact part number to simplify future servicing, and verify that your panel’s bus configuration supports bolt-on QJ-series breakers to ensure optimal performance and reliability.