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circuit-breaker

Square D FH16100 A - 100 A, 277 V, 1-Pole Plug-In Circuit Breaker | AmpState

★★★★★
Part Number FH16100A
Amperes 100
Poles 1
Voltage 277
Product Type circuit-breaker
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Manufacturer :Square D
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $710.00
Sale price $710.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Square D FH16100 A - 100 A 277 V 1-Pole Plug-In Circuit Breaker | AmpState - Circuit Breakers

Square D FH16100 A - 100 A, 277 V, 1-Pole Plug-In Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Product description
Shipping

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.

  • Fast plug-in connection enables quick installation and hassle-free replacements, minimizing downtime during panel maintenance or circuit upgrades.
  • Thermal-magnetic trip unit delivers stable, repeatable protection across a range of loading and ambient conditions, reducing nuisance trips and ensuring predictable performance.
  • OEM-compatible design is engineered to work with matching Square D load centers and panelboards, ensuring proper coordination and single-source reliability.
  • Versatile applications ideal for residential, commercial, and light industrial settings where 277 V branch circuits require dependable overcurrent and short-circuit protection.

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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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Exactly what we needed for a shutdown replacement. No surprises.

Plant · Shutdown

Verified

Good communication and clear updates while the order was processed.

Project · Coordination

Verified

Looks and feels like a proper industrial-grade part. Works as expected.

Service · Field install

Fast industrial sourcing support

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