Siemens | QJ23B100HL | Circuit Breaker | 100A | 240V

Meet the Siemens QJ23B100HL circuit breaker — a purpose-built protection device designed to drop into compatible Siemens panels where a precise 100A, 240V rating is required. This is the genuine part you want for maintenance, retrofit, or replacement projects that demand exact electrical characteristics and a secure mechanical fit.

Why the Siemens QJ23B100HL stands out

• Exact compatibility with Siemens QJ-series panels, with the QJ23B100HL part number serving as the definitive reference for fit.
• 100A current rating paired with 240V operation, enabling reliable protection across residential, commercial, and light industrial applications.
• Durable construction engineered to interrupt fault conditions cleanly, helping safeguard wiring and connected equipment.
• Trusted Siemens engineering ensures consistent trip behavior and electrical performance aligned with standard protection schemes.
• Ideal for maintenance, retrofit, and replacement where replacing like-for-like is critical to system safety and uptime.

Practical applications and use cases

• Routine maintenance: keep a ready QJ23B100HL on hand for swift swap-out during panel service, minimizing downtime.
• Retrofits: upgrade or replace aging breakers in Siemens panels that require QJ-series devices to maintain original protection characteristics.
• Emergency replacement: quickly restore service by using the exact part designed for your panel and circuit configuration.
• Panel compatibility awareness: ensure your panel accepts QJ-type breakers and that the QJ23B100HL aligns with your labeling and protection plan.

Compatibility reminder: Confirm fit and ratings before ordering. The QJ23B100HL part number is your most reliable reference for compatibility with Siemens panels and QJ-series breakers.

Specifications at a glance

• Amperage: 100A
• Voltage: 240V
• Part number: QJ23B100HL
• Series: QJ