Eaton PDG33G0300TFAJ Circuit Breaker | 600V 300A 3-Pole 35kA Feed-Thru | Power Defense MCCB

Eaton PDG33G0300TFAJ — 300A 3-Pole 600V Feed-Thru Molded Case Circuit Breaker

The Eaton PDG33G0300TFAJ is a 300 Amp, 3-Pole, 600V molded case circuit breaker (MCCB) from Eaton's Power Defense series. Built for high-performance industrial and commercial power distribution, this breaker offers reliable overcurrent and short-circuit protection with a 35kAIC interrupting rating at 480VAC.

Key Specifications

• Part Number: PDG33G0300TFAJ
• Ampere Rating: 300A
• Poles: 3-Pole
• Voltage Rating: 600VAC / 250VDC
• Interrupting Rating: 35kAIC @ 480VAC
• Trip Type: Thermal Magnetic (Long Time + Instantaneous)
• Connection Type: Feed-Thru
• Series: Power Defense
• Manufacturer: Eaton
• Condition: New

PDG33G0300TFAJ vs. PDG33G0300TFAL — What's the Difference?

The PDG33G0300TFAJ and PDG33G0300TFAL are both 300A 3-Pole 600V Feed-Thru Power Defense MCCBs. The suffix letter (J vs. L) designates the frame or interrupting capacity variant — always confirm the exact part number required for your application before ordering. Both share the same thermal magnetic trip technology and feed-thru connection design.

What Is a Feed-Thru Molded Case Circuit Breaker?

A feed-thru circuit breaker allows electrical conductors to connect at both the line and load side simultaneously, passing through the breaker terminals without the need for additional lugs or connectors. This simplifies panel wiring, saves installation time, and is widely used in industrial switchgear and distribution boards.

Power Defense Series — Industrial-Grade Protection

Eaton's Power Defense molded case circuit breakers are engineered for consistent, long-life performance in demanding environments. The dual-function thermal magnetic trip provides long-time delay protection against sustained overloads and instantaneous trip against short-circuit faults — safeguarding downstream equipment and wiring systems.

Typical Applications

• Industrial power distribution panels and switchgear
• Motor control centers (MCCs)
• Commercial electrical distribution systems
• Main or feeder circuit protection at 300A
• Applications requiring 600VAC / 250VDC ratings

Why Buy from Alpha Brokers & Controls?

Alpha Brokers & Controls is your trusted source for new Eaton circuit breakers and industrial electrical components. We stock hard-to-find MCCBs and ship quickly to minimize downtime. Competitive pricing, verified authenticity, and reliable service — for MRO buyers, electricians, and OEM procurement teams.