Siemens QS2100HH - 100 A, 240 V, 2-Pole Plug-In Circuit Breaker | AmpState

Meet the Siemens QS2100HH — a rugged, 2-pole plug-in molded case circuit breaker rated at 100A and 240V. Built for dependable branch circuit protection in panelboards and load centers, it delivers a reliable line of defense against overcurrent and short circuits while simplifying service with a fast plug-in connection.

Why this breaker stands out

• Fast plug-in installation: Designed for quick swaps and straightforward replacements, reducing downtime during maintenance or upgrades.
• Thermal-magnetic trip unit: Offers stable, repeatable protection by responding to both gradual overloads and sudden fault conditions, helping prevent nuisance trips and equipment damage.
• OEM-compatible design: Built to fit seamlessly with matching Siemens OEM load centers and panelboards, ensuring a clean, secure fit and reliable operation.
• Versatile protection: Ideal for residential, commercial, and light industrial applications where dependable 2-pole 240V protection is required.

Technical snapshot

• Manufacturer: Siemens
• Part Number: QS2100HH
• Type: Thermal-magnetic molded case circuit breaker
• Amperage Rating: 100A
• Voltage Rating: 240V
• Number of Poles: 2
• Mounting Style: Plug-in
• Application: Branch circuit overcurrent and short-circuit protection

Ideal use scenarios

Use the QS2100HH as a reliable branch-circuit protector in existing Siemens panelboards or load centers, whether you’re upgrading service capacity, replacing a worn breaker, or stocking a spare for quick service calls. Its 2-pole configuration ensures simultaneous disconnection of both hot legs on 240V circuits, which is essential for safely protecting feeders, appliances, and equipment in both homes and small commercial spaces.

Tips for choosing and installing

• Confirm compatibility with your panelboard or load center’s model and rating to ensure a secure, code-compliant fit.
• Keep a spare QS2100HH on hand for rapid replacements during routine maintenance or after a fault event.
• Leverage the plug-in design to minimize installation time during panel upgrades or retrofits.
• Our 100A/240V rating makes it suitable for higher-capacity branch circuits; plan conductor sizing and protective device coordination accordingly.

For reliable, field-proven protection in residential, commercial, and light industrial environments, the Siemens QS2100HH delivers precise thermal-magnetic protection, effortless installation, and OEM-compatible reliability that electricians trust.