Eaton Cutler-Hammer LDB3350

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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. Read more

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 LDB3350
Product Line Series C L Frame
Manufacturer Eaton Cutler-Hammer

Product Description

The Eaton LDB3350 Molded Case Circuit Breaker operates with 3 Poles and 350 Amps. The module has a L Frame and a Thermal-Magnetic Unit Type.

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Technical Specifications

Amps 350 Amps
Dimensions (W x H x D) 8.25 x 10.75 x 4.06 inches
Frame L
Interrupting Capacity 65 kAIC at 240 Volts AC
Part Number/Catalog No. LDB3350
Poles 3
Product Type Molded Case Circuit Breaker
Series C
Unit Type Thermal-Magnetic
Weight 20 pounds

About the LDB3350

The LDB3350 is a 3-pole Series C Type LDB Cutler-Hammer thermal-magnetic circuit breaker manufactured by Eaton Cutler-Hammer. It has an L Frame and it is rated at 600 Volts AC or 250 Volts DC maximum operating voltage, and at 350 amps continuous current. The range of its interrupting capacities are 65, 25, 35, and 22 kAIC at 240 Volts AC, 600 Volts AC, 480 Volts AC, and 250 Volts DC, respectively. The LDB3350 thermal-magnetic circuit breaker is suitable for providing high-performance overload protection, main and branch circuit protection, as well as switching control for industrial equipment and circuits such as induction motors and motor control centers. It features non-interchangeable fixed thermal and thermal-magnetic trip units on each pole and it comes equipped with standard line and load terminals that support the use of different cable types that match its rating.

A molded case enclosure houses all the internal components of the LDB3350 thermal-magnetic circuit breaker. This enclosure is built from the best glass-polyester material to repel moisture and inhibit the growth of fungus while providing appropriate insulation to ensure user safety. The toggle switch operating mechanism of the LDB3350 circuit breaker provides ease-of-operation and it also indicates if the beaker is on, off, or tripped. This breaker features a push-to-trip button for manually testing its functionality and it can only be manually turned back on after a trip out. It features an optional shunt trip, under-voltage release, and alarm switch. For flexibility of use and application, the LDB3350 thermal-magnetic circuit breaker is compatible with many Series C circuit breaker accessories.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the LDB3350:

  • LDB335O
  • LDB33S0
  • LDB33SO
  • LD83350
  • LD8335O
  • LD833S0
  • LD833SO
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