Eaton Cutler-Hammer LD3400

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DO Supply, Inc. sells surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with DO Supply, Inc. and not the manufacturer. DO Supply, Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products.

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Basic Details

MPN LD3400
Product Line Series C L Frame
Manufacturer Eaton Cutler-Hammer

Product Description

The Eaton LD3400 Molded Case Circuit Breaker operates with 3 Poles and 400 Amps. The module has a L Frame and a Thermal-Magnetic Unit Type.

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Technical Specifications

Amps 400
Dimensions (W x H x D) 8.25 x 10.75 x 4.06 in.
Frame L
Interrupting Capacity 65 kA @ 240V AC
Part Number/Catalog No. LD3400
Poles 3
Product Type Molded Case Circuit Breaker
Series C
Unit Type Thermal-Magnetic
Weight 20 lbs

About the LD3400

The LD3400 is an Eaton Cutler-Hammer C Series molded case circuit breaker. Like the other C Series circuit breakers from Eaton, the LD3400 comes with a designation of ED8 and it is an instantaneous-only motor circuit protector. The LD3400 is a 3-pole protector with 400 Amps and it runs maximum voltage of 600 Volts or 250 Volts DC. The kAIC rating at 480 Volts AC is 35 kAIC and the circuit breaker has a shunt trip and undervoltage options. The terminals included with the LD3400 include the line or load terminals with two options for the trip unit, including adjacent thermal and adjacent magnetic trip units. The module comes with no provision for neutral pole but it has an alarm switch option.

The shipping dimensions for the LD3400 measure 7.5 x 10.75 x 13 inches and it has a net weight of 20 pounds. Being an Eaton’s module, this is one of the best varieties of molded case circuit breakers that are available on the market. The circuit breaker has been designed for use in electrical and the mechanical OEMs and it serves a range of industrial applications. Its design features the latest innovation when it comes to design with high availability and reliability for the industrial applications. The LD3400 is most commonly used for compact switches and in the applications that require a high current switching capability. Ideally, this molded case circuit breaker is a high instantaneous and automatic type of circuit breaker. It is listed in accordance with the UL 489 standard for the devices that are intended to offer protection for various applications.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the LD3400:

  • LD340O
  • LD34O0
  • LD34OO
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