- Circuit Breaker /
- Insulated Case /
- Cutler Hammer /
MDSC403WEA
MDSC403WEA
IMAGES ARE FOR REFERENCE ONLY.
IMAGES ARE FOR REFERENCE ONLY.
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MDSC403WEA Specifications
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MDSC403WEA, Cutler Hammer, Magnum DS, type MDSC, drawout mounted, double frame, 3P, 3PH, ABCABC phasing used in Magnum DS low voltage switchgear, 4000A, 600V, 100kA@600V, 40°C, Bolt-On, complete with interchangeable Digitrip, LI - Long-Time and Instantaneous trip functions, load side lug terminals, Thermal Magnetic, low voltage power insulated case circuit breakers
| Manufacturer | Cutler Hammer | Subcategory | Insulated Case |
| Family | Magnum DS | ||
| Manufacturer | Cutler Hammer | ||
| Subcategory | Insulated Case | ||
| Family | Magnum DS |
Electrical.com is NOT an authorized distributor for Square D and therefore the manufacturer’s warranty does not apply. This product does include an Electrical.com 2 year warranty.
We can test, inspect and repair your MDSC403WEA. All repairs include a 2-Year Electrical.com Warranty.
The MDSC403WEA is an insulated case circuit breaker from the Eaton Cutler-Hammer Magnum DS series, designed for high-capacity commercial and industrial low-voltage power distribution systems. The MDSC403WEA features a 3-pole configuration, an 4000A continuous current rating, and is rated for operation up to 600V AC. This breaker employs a Digitrip RMS electronic trip unit, providing comprehensive protection functions including long-time, short-time, instantaneous, and ground fault protection. The MDSC403WEA offers an interrupting capacity of 100kA@600V. It is available in both fixed and drawout mounting styles, supporting flexible installation in switchgear and switchboard applications.
The Magnum DS series, which includes the MDSC403WEA, is recognized for its robust construction, high interruption and withstand ratings, and advanced electronic protection features. Since its introduction, the series has been widely adopted in mission-critical facilities and infrastructure projects for its reliability, modular design, and ease of maintenance. The MDSC403WEA is UL 1066 listed and ANSI certified, supporting three- and four-pole configurations and a broad range of continuous current ratings, making it suitable for main, feeder, and tie breaker roles in modern power distribution systems.
For project engineers and maintenance teams, the MDSC403WEA provides a scalable and field-serviceable solution for demanding electrical environments. Its compatibility with a wide range of accessories and communication modules enables integration into advanced monitoring and protection schemes. You can find the MDSC403WEA at Electrical.com, your reliable partner for industrial and commercial electrical products. Our selection includes trusted breakers from manufacturers like Eaton, Cutler Hammer, and Westinghouse, backed by a dedicated sales team ready to assist with technical questions, product selection, and support.