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** Picture is for identification purposes only and may not represent the actual amperage of the product listed **

THKMA836300WL - 300Amp Circuit Breaker

  • 300 Amp
  • 25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
  • 3 Pole
Circuit BreakersSKU: THKMA836300WL

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THKMA836300WL - 300Amp Circuit Breaker Description

THKMA836300WL - 300Amp Circuit Breaker

The THKMA836300WL Circuit Breaker is a 300-amp, three-pole industrial molded case circuit breaker designed for your compatible commercial and industrial electrical distribution systems. Featuring a THKM8 breaker configuration, interchangeable thermal-magnetic trip unit, internal common-trip operation, and cable-in/cable-out (lug-lug) connections, this breaker provides defined electrical and mechanical characteristics for applications requiring a matching 300A protective device.

Key Features and Benefits

  • 300-Amp Current Rating
  • Three-Pole Circuit Breaker Configuration
  • THKM8 Molded Case Construction
  • Cable-In/Cable-Out Connection Design
  • Included Line and Load-Side Lugs
  • Interchangeable Thermal-Magnetic Trip Unit
  • Internal Common-Trip Operation
  • Voltage-Specific Interrupting Ratings
  • HACR-Rated Classification
  • Industrial Molded Case Design
  • Form, Fit, and Functional Replacement Considerations

Technical Specifications

  • Catalog Number: THKMA836300WL
  • Product Type: Industrial Molded Case Circuit Breaker
  • Product Category: Thermal-Magnetic Circuit Breaker
  • Breaker Type: THKM8
  • Rated Current: 300 Amperes (300A)
  • Number of Poles: 3
  • Trip Technology: Thermal-Magnetic
  • Trip Unit Design: Interchangeable
  • Trip Operation: Internal Common Trip
  • Connection Configuration: Cable-In/Cable-Out (Lug-Lug)
  • Line-Side Lugs: Included
  • Load-Side Lugs: Included
  • HACR Rated: Yes
  • Interrupting Capacity at 240VAC: 65kAIC
  • Interrupting Capacity at 480VAC: 35kAIC
  • Interrupting Capacity at 600VAC: 25kAIC
  • Width: 8.25 Inches
  • Height / Length: 15.50 Inches
  • Depth: 5.50 Inches
  • Overall Dimensions: 8.25" W × 15.50" L × 5.50" D
  • Approximate Shipping Weight: 55.00 lbs.
  • Housing Construction: Molded Case

Material Compliance and Certifications

The THKMA836300WL Industrial Molded Case Circuit Breaker is a 300A, three-pole thermal-magnetic circuit breaker with an interchangeable trip unit, internal common-trip operation, cable-in/cable-out connections, HACR-rated classification, and included line- and load-side lugs.

Before placing the breaker into service, qualified electrical personnel should confirm all required safety listings, terminal specifications, electrical ratings, trip-unit compatibility, and equipment compatibility.

Where It Works Best

  • Existing Commercial Electrical Systems
  • Industrial Power Distribution Equipment
  • Three-Pole Electrical Applications
  • Legacy Electrical Distribution Systems
  • Matching THKM8 Circuit Breaker Replacements
  • Cable-In/Cable-Out Circuit Breaker Installations
  • Line and Load-Side Lug Applications
  • Interchangeable Trip-Unit Applications
  • Industrial Machinery and Equipment Protection
  • Facility Maintenance and Electrical Repairs
  • HACR-Rated Equipment Applications
  • Electrical Equipment Restoration
  • Form, Fit, and Functional Replacement Applications

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.

GE®, and ABB® are registered trademarks of General Electric Company and ABB Ltd., respectively. Products sold are surplus, used, or refurbished and are NOT supplied by General Electric Company or ABB Ltd., or their affiliates.

Specifications

  • Width:8.25
  • Height:15.5
  • Depth:5.5
  • Poles:3
  • Amperes:300
  • A.I.C. Rating & Volts:25k @ 600VAC; 35k @ 480VAC; 65k @ 240VAC
  • Type:THKM8
  • Approx Dimensions:8.25"W x 15.50"L x 5.50"D
  • Additional Notes:Cable-in/Cable-out (Lug-Lug), HACR Rated, Industrial Molded Case Circuit Breaker with Interchangeable, Thermal Magnetic Trip Unit and Internal Common Trip. Includes Line and Load-Side Lugs - discontinued by the manufacturer

Returns are easy

You may return unused items within 30 days of delivery for a refund, subject to our Return Policy.


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).

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