Eaton Cutler-Hammer GD3040D

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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 GD3040D
Product Line Series C G Frame
Manufacturer Eaton Cutler-Hammer

Product Description

The Eaton GD3040D Thermal-Magnetic Molded Case Circuit Breaker operates with 3 Pole(s) and 40 Trip Amps. The module has a G-Frame and 4.88 x 3 x 2.63 in. Dimensions (H x W x D).

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Technical Specifications

Dimensions 4.88 x 3 x 2.63 inches
Frame G
Part Number/Catalog No. GD3040D
Pole(s) 3
Product Type Molded Case Circuit Breaker
Series C
Trip Amps 40
Trip Type Thermal-Magnetic

About the GD3040D

The Eaton GD3040D is a 3-pole, 40 Amps rated Series C circuit breaker. The GD3040D is a G-frame, GD type of breaker. The weight of the GD3040D is 0.952 kilograms. The dimensions of the molded case circuit breaker enclosure are 161.7 x 91.9 x 91.9 millimeters. The voltage rating of the GD3040D is 480 Volts AC and 125 or 250 Volts DC. The supported frequencies are 50 and 60 Hertz.  It is provided with a built-in fixed trip device which is of the thermal–magnetic type. The GD3040D is rated at 14 kiloamps of interrupting capacity at 480 Volts AC and rat at 65 kiloamps of interrupting capacity at 240 Volts AC. The UL standard for the GD3040D requires the installation of internal accessories at the factory.

However, if the UL listing is not required and local codes permit it, then the installation of internal accessories can be done in the field. Auxiliary switches, shunt trips, lock dogs, and alarm/lockout switches are some of the accessories available for the GD3040D. To minimize the risk of serious injury, death, and property damage, it is highly recommended to install the GD3040D when the equipment is de-energized. Local health and safety procedures must also be adhered to for the safety of the personnel and equipment. The installation of the GD3040D comprises breaker inspection and mounting. Inspection is recommended to check for any damage. Mounting can be done in either of the 3 following methods: with a mounting plate, with a DIN rail, or with hardware. After mounting, the GD3040D is connected and the terminals are torqued.

Common Misspellings

Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the GD3040D:

  • GD304OD
  • GD3O40D
  • GD3O4OD
  • 6D3040D
  • 6D304OD
  • 6D3O40D
  • 6D3O4OD
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