Square D | KHL3612517DC1616 | Circuit Breaker | 125A | 3-Pole | 20kA | Feed-Through

Square D KHL3612517DC1616 is a rugged, reliable feed-through circuit breaker designed for precise compatibility in maintenance, retrofit, and replacement projects. Built to meet demanding electrical distribution needs, this unit helps you protect downstream circuits while keeping your system scalable and organized.

Key to its appeal is the 125A rating paired with a 3-pole configuration and a 20kA interrupting rating. This combination delivers solid overcurrent protection for feeders and downstream branches, reducing the risk of nuisance trips while maintaining continuity in critical circuits.

Why this feed-through breaker stands out

• Feed-through capability: Enables power to pass through to additional devices or downstream breakers without extra blocks, simplifying panel design and future expansions.
• Precise compatibility reference: The KHL3612517DC1616 part number is your best reference for matching fit and ratings in compatible Square D panels.
• Clear suitability for upgrades and replacements: Ideal for retrofit projects where maintaining exact specifications matters, ensuring a seamless swap with minimal wiring changes.
• Robust protection for essential feeds: 125A capacity provides dependable protection for main feeders and high-demand branches without compromising safety.

Ideal use cases

• Panel upgrades where downstream distribution needs to be expanded or reorganized without adding new distribution blocks.
• Maintenance replacements in existing Square D installations that require the exact 3-pole, 125A, 20kA rating.
• Retrofits in commercial or light industrial electrical systems where feed-through capability supports scalable load management.

Compatibility and practical tips

Before ordering, confirm fit and ratings for your specific panel model. The part number is the most reliable reference for compatibility in your Square D installation. When wiring, follow standard safety practices and ensure downstream paths are clearly labeled to reflect the feed-through routing.

Whether you’re upgrading an aging distribution setup, performing a targeted retrofit, or stocking parts for future maintenance, this 3-pole, 125A, 20kA feed-through breaker delivers dependable protection and streamlined wiring paths that keep electrical systems efficient and easier to manage.