Skip to content
  • Product Image of FDPW365TJ - 400Amp Panelboard Switch #1
  • Product Image of FDPW365TJ - 400Amp Panelboard Switch #2
** Picture is for identification purposes only and may not represent the actual amperage of the product listed **
scroll for more

FDPW365TJ - 400Amp Panelboard Switch

  • 400 Amp
  • 600 Volts AC
  • 3 Pole
SWITCHESSKU: FDPW365TJ

Purchase Options: New

FDPW365TJ - 400Amp Panelboard Switch Description

FDPW365TJ - 400Amp Panelboard Switch

When safety, reliability, and long-term performance matter, the FDPW365TJ fusible panelboard switch delivers professional-grade power control for demanding industrial and commercial electrical installations. Engineered to handle up to 400 amps and rated for 600 volts, this three-pole, top‑feed main switch is built to meet the needs of heavy-duty power distribution — whether you’re powering large motors, critical systems, or entire building panels. Its substantial construction, compact form factor, and UL‑certification make it an easy choice for electricians, contractors, and facility managers who need a dependable, code‑compliant solution that performs day in and day out.

Key Features & Benefits

  • High current and voltage capacity: With a 400 A rating and support for voltages up to 600 V, the FDPW365TJ is capable of handling demanding loads without compromise.
  • Three‑pole design for balanced performance: The three‑pole configuration ensures stable, balanced power distribution — ideal for three-phase systems powering motors, HVAC equipment, or heavy machinery.
  • Top‑feed main connection: Simplifies wiring in standard panelboard layouts, offering clean, efficient installation for new builds or upgrades.
  • High horsepower tolerance: Supports up to 125 hp at 240 V, 250 hp at 480 V, and 350 hp at 600 V, making it well-suited for large motors and equipment with significant startup demands.
  • Compact, manageable dimensions: With overall dimensions of 27″ depth × 24″ width × 11″ height and a manageable weight of around 60 lb, this switch fits standard panel spaces while still offering a sturdy, serviceable package.
  • Modular upgrade path for cable-in / cable-out applications: When you need a cable-in/cable-out configuration for a branch switch, additional terminals (sold separately) allow for expansion and flexibility over time.

Technical Specifications

  • Catalog Number: FDPW365TJ
  • Amperage Rating: 400 A
  • Voltage Rating: Up to 600 V
  • Poles: Three‑pole
  • Connection Type: Top‑feed main
  • Horsepower Rating: 125 hp (240 V), 250 hp (480 V), 350 hp (600 V)
  • Dimensions (D × W × H): 27″ × 24″ × 11″
  • Shipping Weight: 60 lb
  • UPC: 786679783467
  • Material Compliance & Certifications

Where It Works Best

  • The FDPW365TJ is ideal for industrial and commercial environments where heavy electrical loads and three-phase power distribution are common. Think manufacturing plants, warehouses, large-scale HVAC systems, or any facility requiring dependable, high-capacity power delivery. It’s also a solid choice for upgrades or retrofits in existing panelboards where space is limited but demand for performance and compliance remains high.

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

  • Depth:11.0
  • Width:24.7
  • Height:27.7
  • Poles:3
  • Amperes:400
  • A.I.C. Rating & Volts:600
  • Type:FDPW
  • Sub-Category:PANELBOARD SWITCH
  • Approx Dimensions:18.00"W x 22.00"H x 7.00"D
  • Additional Notes:3 Pole, 400 Amperes, 600 Volts A.C., Fusible Single Unit, Type FDPW, Bolt-in Type, Vertical, Top-Feed 'MAIN' Panel Switch. Accepts Class RK1 & RK5 Fuses.

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).

Similar Products

Why Us?

Free Shipping

Free shipping on orders over $100

100k+ Happy Customers

4.9 Google rating

Secure Shopping

Feel protected with every transaction