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Eaton / Cutler-Hammer PDG33F0300TFAJ Molded Case Circuit Breaker

  • 300A
  • 3 Pole
  • Panel Mount
Eaton / Cutler-Hammer PDG33F0300TFAJ
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU PDG33F0300TFAJ
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  • 300A
  • 3 Pole
  • Panel Mount

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Eaton / Cutler-Hammer PDG33F0300TFAJ - 300A 3 Pole Molded Case Circuit Breaker

Eaton / Cutler-Hammer PDG33F0300TFAJ - 300A 3 Pole Molded Case Circuit Breaker

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$2,726.00 In Stock

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Description

Built for commercial and industrial applications, the 300A Eaton PDG33F0300TFAJ provides dependable overcurrent protection. This 3-pole Power Defense breaker is rated for 600VAC systems. Designed to mount into Frame 3 panelboards, it utilizes standard line and load lugs for secure connections. Facility managers can also use this unit to replace older LGE3300FAG breakers. The device features a thermal-magnetic trip unit with adjustable magnetic functions and delivers 25 kAIC at 480VAC.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number PDG33F0300TFAJ
Series PDG3
Amperage 300A
Poles 3
Mounting Style Panel Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 35kA @ 240VAC, 25kA @ 480VAC, 14kA @ 600VAC, 10kA @ 250VDC
Electrical ratings
Amperage Range 240-300A
Fit and installation
Terminal Type Lugs
For Use With Eaton Power Defense Frame 3 Panelboards, Enclosures
Wire Gauge 250-500 kcmil (Al/Cu)
Max Wire 500 kcmil
Min Wire 250 kcmil
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, Handle Mechanism, Motor Operator
Accessories Standard Line and Load Terminals (PDG3X3TA350)
Standards CSA C22.2 No. 5, IEC 60947-2, UL 489
Approval CCC, CE, CSA, IEC, UL, RoHS
Temp Rating -20C to 70C
Construction Features HACR Rated, RoHS Compliant

Product FAQs

8 answers
What panelboards are compatible with the PDG33F0300TFAJ circuit breaker?

This breaker is designed for use in Eaton Power Defense Frame 3 panelboards and compatible industrial enclosures.

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

The standard line and load terminals (catalog number PDG3X3TA350) accept aluminum or copper wire ranging from 250 to 500 kcmil.

How does the adjustable magnetic trip function work on this model?

The thermal-magnetic trip unit features a fixed thermal element for overload protection and an adjustable magnetic element. This allows electricians to fine-tune the instantaneous short-circuit trip threshold for better selective coordination.

Can the PDG33F0300TFAJ be used to upgrade older Eaton or Cutler-Hammer breakers?

Yes, the Power Defense Frame 3 series is often used to replace legacy Series C and Series G breakers, such as the LGE3300FAG, in commercial and industrial facilities.

Is this breaker suitable for direct current (DC) applications?

Yes, the PDG33F0300TFAJ is rated for up to 250VDC with a 10 kAIC interrupting capacity, making it suitable for specific DC systems.

Can I add field-installable accessories to this breaker?

Yes, the Power Defense Frame 3 platform supports various field-installable accessories, including shunt trips, undervoltage releases, auxiliary switches, and alarm switches.

How is this circuit breaker mounted?

It is a panel-mounted breaker designed to be secured directly into compatible Frame 3 distribution panels or industrial control enclosures.

Does this breaker include ground fault protection?

No, the PDG33F0300TFAJ features a standard thermal-magnetic trip unit with long-time and instantaneous (LI) functions. It does not have built-in ground fault or short-time protection.

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