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Eaton / Cutler-Hammer PDG33M0400TFAJ Molded Case Circuit Breaker

  • 400A
  • 3 Pole
  • Panel Mount
Eaton / Cutler-Hammer PDG33M0400TFAJ
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU PDG33M0400TFAJ
Select Item Condition
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  • 400A
  • 3 Pole
  • Panel Mount

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Eaton / Cutler-Hammer PDG33M0400TFAJ - 400A 3 Pole Molded Case Circuit Breaker

Eaton / Cutler-Hammer PDG33M0400TFAJ - 400A 3 Pole Molded Case Circuit Breaker

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$3,596.00 In Stock

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Description

Engineered for demanding commercial applications, the Eaton PDG33M0400TFAJ is a 3-pole, 400A molded case circuit breaker from the Power Defense Frame 3 family. It provides reliable fixed thermal and adjustable magnetic protection. This unit installs into Eaton panelboards, serving as a replacement for legacy HKD3400 and LGH3400 breakers. It comes factory-equipped with standard line and load lugs. Rated at 65 kAIC at 480VAC, it ensures robust current-limiting performance.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number PDG33M0400TFAJ
Series PDG3
Amperage 400A
Poles 3
Mounting Style Panel Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 100kA @ 240VAC, 65kA @ 480VAC, 35kA @ 600VAC, 22kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Eaton Power Defense Frame 3 Panelboards, Switchboards, Enclosures
Wire Gauge (2) 3/0 AWG - 250 kcmil (Al/Cu)
Max Wire 250 kcmil
Min Wire 3/0 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Adjustable Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Handle Mechanism, Lug Kits
Accessories Line and Load Lugs Included (PDG3X3TA400)
Standards CSA C22.2 No. 5, IEC 60947-2, UL 489, RoHS Compliant
Approval CCC, CE, CSA, IEC, RoHS, UL
Temp Rating -20C to 70C
Construction Features HACR Rated, Current Limiting, High Interrupting Capacity, RoHS Compliant, Globally Rated

Product FAQs

7 answers
What panelboards and enclosures are compatible with the PDG33M0400TFAJ?

This 400A breaker is designed for use with Eaton Power Defense Frame 3 panelboards, switchboards, and compatible enclosures.

What does the "M" in the PDG33M0400TFAJ catalog number indicate?

The "M" signifies the breaker's interrupting capacity, which is rated at 65kAIC at 480VAC.

What do the letters "TFAJ" mean in the part number?

"TF" indicates a thermal-magnetic trip unit with a fixed thermal setting, "A" stands for an adjustable magnetic trip, and "J" denotes standard line and load lug terminals.

What wire sizes are accepted by the standard lugs on this breaker?

The standard lugs are designed to accept two conductors per phase, accommodating wire sizes from 3/0 AWG to 250 kcmil for both aluminum and copper wire (Al/Cu).

Can the Power Defense Frame 3 replace older Eaton or Cutler-Hammer breakers?

Yes, the Power Defense Frame 3 series is the modern replacement for legacy Series C K-frame circuit breakers, though mounting modifications may be required depending on your specific panel.

What does the "LI" trip function code mean on this breaker?

"LI" stands for Long-Time and Instantaneous protection. The long-time function protects against sustained overloads, while the instantaneous function trips the breaker immediately during a short circuit.

Can this breaker be used in DC applications?

Yes, this breaker is dual-rated for both AC and DC systems. When used in DC applications, it supports up to 250VDC with an interrupting capacity of 22kAIC.

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