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Eaton / Cutler-Hammer JD3070 Molded Case Circuit Breaker

  • 70A
  • 3 Pole
  • Unit Mount
Eaton / Cutler-Hammer JD3070
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU JD3070
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  • 70A
  • 3 Pole
  • Unit Mount

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JD3070

Eaton / Cutler-Hammer JD3070 - 70A 3 Pole Molded Case Circuit Breaker

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$2,121.00 In Stock

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Description

Designed for industrial power distribution, the Eaton JD3070 is a 3-pole, 70A molded case circuit breaker. It delivers proven thermal-magnetic protection for commercial facilities and manufacturing plants. This unit-mount MCCB is engineered to fit into Eaton Series C and Pow-R-Line C panelboards, as well as compatible switchboards. It provides a replacement path to the newer Power Defense PDG3 line. With a 35 kAIC interrupt capacity at 480VAC, it features an interchangeable trip unit.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number JD3070
Series JD
Amperage 70A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC, 250VDC
Phase 3
AIC Rating 65kA @ 240VAC, 35kA @ 480VAC, 18kA @ 600VAC, 10kA @ 250VDC
Fit and installation
Terminal Type Lugs
For Use With Eaton Series C Panelboards, Switchboards, Motor Control Centers, Pow-R-Line C Panelboards
Wire Gauge 4 AWG - 350 kcmil (Al/Cu)
Max Wire 350 kcmil
Min Wire 4 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
Accessories Line and Load Lugs
Standards CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489
Approval CSA, UL
Temp Rating 40C
Construction Features HACR Rated

Product FAQs

7 answers
What enclosures and panelboards are compatible with the JD3070?

This breaker is designed for use in Eaton Series C Panelboards, Switchboards, Motor Control Centers, and Pow-R-Line C Panelboards.

Can the JD3070 replace older Westinghouse J-frame breakers?

Yes, Eaton acquired the Westinghouse distribution equipment line. The JD3070 is a direct replacement for legacy Westinghouse and Cutler-Hammer J-frame breakers with the same specifications.

What lug kit is standard for this breaker, and what wire sizes does it accept?

The standard lug terminal kit is the TA250KB, which accepts aluminum or copper wire ranging from 4 AWG to 350 kcmil.

Is the JD3070 suitable for reverse-feed applications?

Yes, this thermal-magnetic breaker does not have line and load markings, making it suitable for reverse-feed operations.

Is this breaker HACR rated for HVAC applications?

Yes, the JD3070 is HACR rated, meaning it is approved for use with heating, air conditioning, and refrigeration equipment.

Can I adjust the trip settings on the JD3070?

No, this breaker features a fixed thermal and fixed magnetic trip unit, meaning the overcurrent and short-circuit trip points cannot be adjusted in the field.

Does the JD3070 provide ground fault protection?

No, this is a standard thermal-magnetic breaker providing long-time and instantaneous (LI) overcurrent and short-circuit protection. It does not include integral ground fault or electronic trip functions.

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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
  • DC
    Danielson C.
    Flag of United States
    Reviewing
    Siemens JD63F400 Frame
    I recommend this product
    Rated 5 out of 5 stars
    1/17/24
    Perfect

    Just what I was looking for!

  • IH
    Isaac H.
    Flag of United States
    Reviewing
    Eaton / Cutler-Hammer JD3250K - 250A 3 Pole Molded Case Switch
    I recommend this product
    Rated 5 out of 5 stars
    3/11/21
    GREAT STUFF

    GOOD PRODUCTS AT A GREAT PRICE