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Eaton / Cutler-Hammer GD2045 Molded Case Circuit Breaker

  • 45A
  • 2 Pole
  • Unit Mount
Eaton / Cutler-Hammer GD2045
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU GD2045
Select Item Condition
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  • 45A
  • 2 Pole
  • Unit Mount

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GD2045

Eaton / Cutler-Hammer GD2045 - 45A 2 Pole Molded Case Circuit Breaker

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$346.09 In Stock

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Description

Engineered for industrial applications, the GD2045 molded case circuit breaker belongs to Eaton's Series C family. It provides dependable long-time and instantaneous (LI) protection for critical systems. This G-Frame breaker features a unit mount design, making it compatible with Eaton Series C panelboards and motor control centers. Rated for 65 kAIC at 240 VAC and 14 kAIC at 480 VAC, it ensures high-performance fault interruption. The unit is HACR rated and reverse feed capable.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number GD2045
Series GD
Amperage 45A
Poles 2
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 125/250VDC
Phase 1
AIC Rating 65kA @ 240VAC, 14kA @ 480VAC, 10kA @ 125/250VDC
Fit and installation
Frame Type GD
Terminal Type Lugs
For Use With Eaton Series C Panelboards, Motor Control Centers, Switchboards, Enclosures
Wire Gauge 10-1/0 AWG
Max Wire 1/0 AWG
Min Wire 10 AWG
Protection and operation
Trip Technology Thermal Magnetic
Trip Function Code LI
Trip Function Long-Time, Instantaneous
Trip Adjustability Fixed Thermal, Fixed Magnetic
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment
Accessories Line and Load Terminals
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CSA, IEC, UL
Temp Rating 40C
Construction Features HACR Rated, Reverse Feed

Product FAQs

7 answers
Can the Eaton GD2045 replace older Cutler-Hammer or Westinghouse GD2045 breakers?

Yes. Eaton acquired the Cutler-Hammer and Westinghouse distribution equipment lines. The Eaton GD2045 is the direct, authentic replacement for legacy Cutler-Hammer and Westinghouse breakers with the exact same catalog number.

What types of enclosures and panels are compatible with the GD2045?

This Series C, G-frame breaker is designed for use in Eaton Series C panelboards, switchboards, motor control centers, and OEM enclosures.

Can the GD2045 circuit breaker be mounted on a DIN rail?

Yes, but it requires a separate DIN rail adapter kit (such as the EGDIN or GDINBP10) since the breaker is natively designed for unit mounting.

Is the GD2045 suitable for DC voltage applications?

Yes, this thermal-magnetic breaker is rated for up to 125/250 VDC with a 10kA interrupting capacity, making it suitable for specific direct current applications.

What conductor materials are compatible with the standard lugs on the GD2045?

The standard feed-thru lugs on this G-frame breaker are rated for both copper (Cu) and aluminum (Al) wire.

Does the GD2045 feature an adjustable trip unit?

No, this breaker features a non-interchangeable thermal-magnetic trip unit with fixed long-time and fixed instantaneous (LI) trip functions.

Can the Eaton GD2045 be reverse fed?

Yes, this Series C, G-frame circuit breaker is suitable for reverse feed applications.

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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 2 reviews
Total 5 star reviews: 2 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Rating
Ratings
2 reviews
  • JS
    John S.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer GD3100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    6/10/23
    John Schlegel

    I was very impressed how quickly I received my order. All customer support were very helpful.

  • DI
    David I.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer GD3100 - 100A 3 Pole Molded Case Circuit Breaker
    I recommend this product
    Rated 5 out of 5 stars
    2/20/17
    great product so fa

    great product so fa