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FI36020 - 20 Amp Circuit Breaker

  • 20 Amp
  • 100k @ 600VAC; 200k @ 480VAC; 200k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: FI36020

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FI36020 - 20 Amp Circuit Breaker Description

FI36020 - 20 Amp Circuit Breaker

Introducing the FI36020 – a 20 Amp, 3-pole molded-case circuit breaker engineered to safeguard your electrical system with precision. Manufactured under the trusted name of Square D / Schneider Electric, this breaker delivers dependable operation at up to 600 V AC and offers a high interrupting capacity ideal for demanding industrial or commercial applications. Whether you’re retrofitting a control panel or expanding a power-distribution setup, the FI36020 gives you the performance and protection you need.

Key Features & Benefits

  • Three-Pole Design: With its 3-pole configuration, this breaker ensures even load distribution across all phases—helping maintain system balance and avoid unwanted tripping.
  • Thermal-Magnetic Trip Unit: The built-in trip unit combines thermal (overload) and magnetic (short-circuit) protection for reliable safeguarding of your circuits.
  • High Fault-Current Handling: Rated for interrupting capacities up to 200 kA at 480 V (depending on specific application), the FI36020 is designed to handle high-fault events without compromising safety.
  • I-Line Plug-In Mounting Style: The I-Line plug-in/lug-compatible design simplifies installation and panel integration—ideal when space is at a premium or ease of maintenance matters.
  • Trusted Manufacturer: As part of the Schneider Electric/Square D lineage, this breaker benefits from decades of industrial expertise, bringing you quality and reliability you can count on.

Technical Specifications

  • Voltage Rating: 600 V AC nominal.
  • Current Rating: 20 A (three-pole).
  • Interrupting Capacity: Up to ~200 kA at 480 V (and high capacity at 600 V as listed).
  • Trip Unit Type: Thermal-Magnetic (long-time plus instantaneous protection).
  • Mounting Style: I-Line Plug-In / lug style compatible.
  • Poles: 3 (three-phase applications).
  • Frame / Series: FI type, I-Line family.

Material Compliance & Certifications

  • Green Premium® Label: Reflects Schneider Electric’s commitment to products built with improved environmental performance.
  • Regulatory Compliance: Meets or exceeds applicable safety and environmental standards for industrial circuit breakers (including short-circuit interruption capacity and thermal/magnetic protection).
  • Note: According to some distributor sources this model is listed as “discontinued” by the manufacturer; you may wish to verify current availability or alternative part-numbers when ordering.

Where It Works Best

  • The FI36020 is the go-to choice for electricians, panel builders, and maintenance teams overseeing commercial buildings, manufacturing plants, or infrastructure-scale installations. It excels in protecting critical electrical circuits in control panels, power distribution units, motor control centers, or any three-phase system requiring dependable protection at 20 amps. If you’re upgrading equipment, consolidating panel space with I-Line compatibility, or reinforcing protection in a heavy-duty environment, this breaker delivers precisely what you need.

Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.

Specifications

  • Width:4.5
  • Height:10.5
  • Depth:4.38
  • Poles:3
  • Amperes:20
  • A.I.C. Rating & Volts:100k @ 600VAC; 200k @ 480VAC; 200k @ 240VAC
  • Type:FI
  • Approx Dimensions:4.50"W x 10.50"L x 4.38"D
  • Additional Notes:I-Line Frame, I-Limiterå¨, Plug-In, Current Limiting, Thermal Magnetic, Molded Case Circuit Breaker

Returns are easy

You may return unused items within 30 days of delivery for a full refund.

FREE shipping on breaker orders over $100 and all other items with orders over $500.

CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).

Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

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