Square D FA34050 50A 3 Pole Molded Case Circuit Breaker – I-Line Mount – 480VAC

The FA34050 by Square D is a high-performance molded case circuit breaker designed for reliable protection in industrial and commercial electrical distribution systems. Featuring an FA I-Line frame style and a thermal magnetic non-interchangeable trip unit, this breaker provides dependable overload and short-circuit protection for demanding applications. Its plug-in I-Line mounting configuration enables quick installation and easy maintenance, while the durable molded case construction ensures long-term operational reliability. With a 50-amp current rating and 3-pole design, the FA34050 is ideal for three-phase power distribution systems requiring consistent circuit protection.

Product Specifications

• Brand: Square D
• Model: FA34050
• Product Type: Molded Case Circuit Breaker
• Frame Style: FA (I-Line)
• Frame Type: F
• Trip Unit Type: Thermal Magnetic Non-Interchangeable
• Mounting Type: Plug-In / I-Line
• Amperage Rating: 50 Amp
• Number of Poles: 3 Pole
• Frequency: 50/60 Hz
• Terminal Type: Load End Standard
• Voltage Maximum: 480VAC
• Warranty: 1 Year
• Manufacturer: Square D

Technical Specifications

• Thermal magnetic trip mechanism for overload and short-circuit protection
• Non-interchangeable trip unit with fixed factory-calibrated settings
• Rugged molded case construction for industrial durability
• Plug-in I-Line mounting system for simplified installation and servicing
• Designed for three-phase electrical distribution applications
• Standard load-end lug terminals for secure electrical connections
• Rated for operation at 40°C ambient temperature

Voltage and Ratings

• Maximum Voltage: 480VAC
• DC Voltage Rating: 250VDC
• Interrupting Capacity Ratings:
  • 25kA @ 240 VAC
  • 18kA @ 480 VAC
  • 10kA @ 250 VDC
• Current Rating: 50 Ampere
• Pole Configuration: 3 Pole

Product Data

• Manufacturer: Square D
• Model Number: FA34050
• Connection Type: Plug In
• Frame Style: FA (I-Line)
• Frame Type: F
• Lug Type: Load End Standard
• Interrupting Rating: 25kA / 18kA / 10kA
• Application: Industrial and commercial power distribution systems
• Warranty Coverage: One Year In-House Warranty
• Warranty Includes: Repairs, replacement parts, labor, and standard shipping required for recertification

Important Note

The product image shown represents a base model and is intended for identification purposes only. Accessories purchased with the breaker can be installed at no additional cost when configuration details are provided during checkout. The included one-year in-house warranty covers repairs, labor, parts, and standard shipping required for recertification, excluding damage caused by misuse, improper handling, or normal wear and tear.

Returns are easy

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

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