Siemens HQR22B100HL 100A 2-Pole 240 V Circuit Breaker Potential Transformer

Discover dependable overcurrent protection with the Siemens HQR22B100HL 100A 2-Pole 240 V Circuit Breaker. Built to safeguard 240 V circuits in residential, commercial, and light industrial settings, this device delivers reliable performance when it matters most. Part Number HQR22B100HL ensures clear identification within Siemens protection systems, and its two-pole design provides balanced, simultaneous interruption of both conductors for safer, more effective protection on 240 V loads.

Key specifications and capabilities

• Current rating: 100 A — suitable for protecting feeders and larger branch circuits.
• Poles: 2 — ensures simultaneous disconnection of both hot lines in split-phase 240 V configurations.
• Voltage rating: 240 V — designed for standard 240 V distribution environments.
• Part Number: HQR22B100HL — precise identification for service and ordering within Siemens systems.
• Designed for protection schemes: compatible with protection architectures that may include potential transformer-based monitoring and metering components.

Why this breaker stands out

• The two-pole design ensures both legs shut off together, minimizing the risk of half-energized faults and improving overall electrical safety.
• Engineered to fit into compatible Siemens panels and protection ecosystems, enabling straightforward replacement or expansion of existing circuits.
• The dedicated part number HQR22B100HL helps with accurate ordering, inventory management, and maintenance records.
• Ideal for large appliance feeds, motor circuits, air handling units, and other 240 V loads in homes and small-to-mid-size commercial installations.

Practical applications and use cases

Use the Siemens HQR22B100HL to protect feeders that require robust, dual-pole interruption at 240 V. It’s well-suited for:

• Feeding high‑draw appliances like central air systems, electric water heaters, and large HVAC components.
• Sub‑panels and main feeders in multi‑wire branch circuits where balanced protection is essential.
• Panels that utilize protection strategies incorporating potential transformers for monitoring and metering, ensuring cohesive system protection.

Incorporate this Siemens circuit breaker into your electrical protection strategy to achieve predictable response, easy maintenance, and dependable operation across a range of 240 V applications. Always follow local electrical codes and panel manufacturer guidelines during installation and replacement to ensure safety and compatibility.