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Eaton / Cutler-Hammer NGS308033EC Molded Case Circuit Breaker

  • 800A
  • 3 Pole
  • Unit Mount
Eaton / Cutler-Hammer NGS308033EC
Molded Case Circuit Breaker
Brand Eaton / Cutler-Hammer
SKU NGS308033EC
Select Item Condition
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  • 800A
  • 3 Pole
  • Unit Mount

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Eaton / Cutler-Hammer NGS308033EC - 800A 3 Pole Molded Case Circuit Breaker

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$12,180.00 In Stock

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Description

Engineered for demanding commercial and industrial applications, the Eaton NGS308033EC 800A molded case circuit breaker belongs to the Series G family. It utilizes a microprocessor-based Digitrip 310+ unit to deliver precise overcurrent protection with adjustable LS (Long-Time, Short-Time) settings. This unit-mount NG-frame breaker installs into Eaton Series G panelboards and switchboards. Rated for 85 kAIC at 240V, the breaker is 100% rated for continuous operation.

Specifications

Key specifications
Brand Eaton / Cutler-Hammer
Part Number NGS308033EC
Series NGS
Amperage 800A
Poles 3
Mounting Style Unit Mount
Voltage 240VAC, 480VAC, 600VAC
Phase 3
AIC Rating 85kA @ 240VAC, 50kA @ 480VAC, 25kA @ 600VAC
Electrical ratings
Amperage Range 320-800A
Fit and installation
Frame Type NG
Terminal Type Stud/Tapped Pad
For Use With Eaton Series G Panelboards, Switchboards, Motor Control Centers
Protection and operation
Trip Technology Electronic Trip
Trip Function Code LS
Trip Function Long-Time, Short-Time
Trip Adjustability Adjustable
Standards and features
Available Options Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Padlock Attachment, Motor Operator, Lug Kits
Accessories Digitrip 310+ Trip Unit
Standards CSA C22.2 No. 5, HACR Rated, IEC 60947-2, NEMA AB 1, UL 489
Approval CE, CSA, HACR, IEC, KEMA KEUR, UL
Temp Rating -20C to 70C
Construction Features 100% Rated, HACR Rated, Reverse Feed

Product FAQs

8 answers
What type of trip unit is installed in the NGS308033EC?

This breaker features a Digitrip electronic trip unit with LS (Long-Time and Short-Time) functions. It allows for continuous current adjustments without the need for external rating plugs.

Does the NGS308033EC come with standard wire lugs?

No, this breaker is configured with stud or tapped pad terminals for bolt-on connections. If you are terminating standard cable, you will need to install a compatible NG-frame lug kit, such as the TA1000NB1, depending on your wire size and material.

Can the continuous current rating be adjusted on the NGS308033EC?

Yes, the electronic trip unit features adjustable long-time and short-time settings. This allows you to fine-tune the protection curve and continuous current rating to match your specific load requirements up to the 800A maximum.

Is the NGS308033EC standard rated or 100% rated?

The NGS308033EC is a 100% rated circuit breaker. This allows the breaker to carry its full 800A continuous current rating without the standard 80% derating requirement, provided it is installed in an enclosure approved for 100% rated applications.

What equipment is the NGS308033EC designed to be installed in?

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

How can I test the electronic trip unit on this breaker?

The electronic trip unit features a built-in test port. You can verify the trip functions and internal circuitry using a compatible Eaton Digitrip test kit designed for Series G NG-frame breakers.

Is the NGS308033EC rated for both 50Hz and 60Hz systems?

Yes, this Series G molded case circuit breaker is designed to operate on both 50Hz and 60Hz AC electrical systems.

How is the NGS308033EC mounted inside a panel?

This is a unit-mount, bolt-on circuit breaker. It secures directly to the panelboard or switchboard chassis using standard mounting hardware.

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