FH36045 - 45 Amp Circuit Breaker
- 45 Amp
- 18k @ 600VAC; 25k @ 480VAC; 65k @ 240VAC
- 3 Pole
Purchase Options:
FH36045 - 45 Amp Circuit Breaker Description
FH36045 - 45 Amp Circuit Breaker
When you're servicing an existing Square D I-Line™ electrical distribution system, using the correct replacement breaker is essential for maintaining compatibility and preserving the original equipment design. The Square D FH36045 is a 45 Amp, 3-pole thermal magnetic circuit breaker engineered to provide the proper form, fit, and function for compatible Square D I-Line panelboards and switchboards rated for up to 600V AC. Matching the original catalog number helps ensure the breaker fits as intended while maintaining the electrical characteristics of the existing installation. Whether you're performing preventive maintenance, replacing a failed breaker, or keeping facility equipment operating reliably, the FH36045 is built to last and is designed for dependable service in existing electrical distribution systems.
Key Features and Benefits
- Genuine Square D FH36045 thermal magnetic circuit breaker
- 45 Amp continuous current rating
- Three-pole design for three-phase electrical systems
- Rated for applications up to 600V AC
- Designed for compatible Square D I-Line panelboards and switchboards
- I-Line mounting for proper form, fit, and function replacement
- Thermal magnetic trip unit provides overload and short-circuit protection
- HACR rated for heating, air conditioning, and refrigeration equipment
- 400 Amp magnetic hold current
- 850 Amp magnetic trip current
- I-Line line connection with load-side lug terminals
- Built to last for long service life in commercial and industrial electrical systems
- Helps maintain compatibility with existing Square D electrical distribution equipment
Technical Specifications
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Catalog Number: FH36045
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Manufacturer: Square D
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Product Type: Circuit Breaker
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Series: FH
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Trip Unit Technology: Thermal Magnetic
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Amperage Rating: 45 Amps
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Voltage Rating: 600V AC
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Number of Poles: 3
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Phase Connection: ABC
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Breaking Capacity Code: H
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Mounting Style: I-Line
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Electrical Connections: I-Line connection (line); lugs (load)
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Terminal Identifier: AL100FA
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Magnetic Hold Current: 400 Amps
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Magnetic Trip Current: 850 Amps
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Application Rating: HACR Rated
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Dimensions: 6.4 in. H × 4.5 in. W × 4.13 in. D
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Country of Origin: Mexico
Material Compliance and Certifications
The Square D FH36045 is UL Listed and CSA Certified for use in compatible Square D I-Line electrical distribution equipment. It is intended for replacement and maintenance applications and should be installed by qualified electrical personnel in accordance with the National Electrical Code (NEC), applicable local electrical codes, and accepted electrical safety practices.
Where It Works Best
- Compatible Square D I-Line panelboards and switchboards
- Commercial office buildings
- Industrial manufacturing facilities
- HVAC and refrigeration systems
- Three-phase motor circuits
- Pumps and air compressor installations
- Manufacturing and processing equipment
- Branch circuit protection
- Electrical maintenance and repair projects
- Replacement of existing Square D FH-series circuit breakers
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. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Square D® is a registered trademark of Schneider Electric. Products sold are surplus, used, or refurbished and are NOT supplied by Schneider Electric or its affiliates.
Specifications
- Width:4.5
- Height:8.75
- Depth:4.38
- Poles:3
- Amperes:45
- A.I.C. Rating & Volts:18k @ 600VAC; 25k @ 480VAC; 65k @ 240VAC
- Type:FH
- Approx Dimensions:4.50"W x 8.75"L x 4.38"D
- Additional Notes:60Hz, 40°C, HACR Type, Thermal Magnetic, Molded Case Circuit Breaker, for I-Line Panelboards
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE ground shipping on breaker orders over $100 and all other items with orders over $500.
Shipping charges are Prepaid and Allowed on UPS Ground orders for all other products on orders over $500.00, again only when shipping within the lower 48 continental United States, provided the product(s) can safely ship UPS Ground.
If the product cannot safely ship via UPS Ground, or is too heavy to ship UPS Ground, then the product will be shipped via freightliner at buyer's expense.
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).