Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
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| Part Number | FH16100A |
| Amperes | 100 |
| Poles | 1 |
| Voltage | 277 |
| Product Type | circuit-breaker |
Seamless online shopping experience guaranteed with easy shipping and returns policy.
Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.
The Square D FH16100A 100 A, 277 V, 1-pole Plug-In Molded Case Circuit Breaker is built to protect branch circuits in panelboards and load centers with speed and precision. Designed for quick, reliable protection, this 1-pole unit fits seamlessly into compatible Square D panelboards for fast upgrades and efficient maintenance.
Technical snapshot: Square D FH16100A — 100 A, 277 V, 1-pole, plug-in mounting, thermal-magnetic molded case circuit breaker for branch circuit overcurrent and short-circuit protection. Part Number FH16100A.
Why this breaker stands out: its plug-in format means faster swaps and simpler stocking for maintenance teams, while the thermal-magnetic trip delivers dependable protection that you can count on during busy service windows. If you’re wiring or upgrading panelboards in commercial spaces or light industrial facilities, the FH16100A offers a precise fit and proven protection you can trust—without altering your existing electrical architecture.
Ideal for use in panelboards and load centers that require 100 A protection on 277 V circuits, the FH16100A helps you maintain safe, compliant electrical systems with minimal downtime. For professionals stocking inventory, this unit provides a reliable, compatible solution ready to drop into compatible Square D installations.
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General feedback we often hear from customers purchasing industrial electrical parts.
Exactly what we needed for a shutdown replacement. No surprises.
Plant · Shutdown
Good communication and clear updates while the order was processed.
Project · Coordination
Looks and feels like a proper industrial-grade part. Works as expected.
Service · Field install