- Circuit Breaker /
- Insulated Case /
- Eaton /
MDSC303HEA305GAMNN2ECNNAX
MDSC303HEA305GAMNN2ECNNAX
IMAGES ARE FOR REFERENCE ONLY.
IMAGES ARE FOR REFERENCE ONLY.
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MDSC303HEA305GAMNN2ECNNAX Specifications
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MDSC303HEA305GAMNN2ECNNAX, Cutler Hammer, Eaton, Magnum DS Type MDS, Standard frame, 100kA@635V interrupting rating, 3000A, 3-Pole, Fixed horizonal mounting, 3000A rating plug, Non-DSL current limiter, 520 LSIG trip unit, 110-127 Vac/Vdc shunt trip, Manual operated motor operator, No SRD, No, 2A/2B auxiliary switch, Metal (block close only) padlock, No counter - no lock key lock, low voltage power insulated case circuit breaker
| Manufacturer | Eaton | Subcategory | Insulated Case |
| Family | Magnum DS | ||
| Manufacturer | Eaton | ||
| 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 MDSC303HEA305GAMNN2ECNNAX. All repairs include a 2-Year Electrical.com Warranty.
The Magnum DS line is Eaton's low-voltage circuit breaker family, engineered for reliable power distribution, protection, and system coordination in commercial and industrial switchgear and switchboard applications. The DS breakers are ANSI and UL certified, rated for voltages up to 635Vac, and are built to serve continuous current loads ranging generally from 800A to 5000A depending on frame size. The design emphasizes compactness and space efficiency - Magnum DS provides some of the highest ANSI interrupting and short-time withstand ratings in the industry while occupying less physical space than many comparable breakers.
A key strength of the Magnum DS line lies in its flexibility and maintainability. Breakers are offered in both fixed and draw-out versions, facilitating easy installation, inspection, maintenance, and replacement-particularly valuable in large switchgear assemblies. The DS series supports Eaton's modular Digitrip RMS electronic and programmable trip units, enabling precise protection, system coordination, ground-fault detection, and optional power-quality/monitoring features. Additionally, the breakers are compatible with common accessories across the broader Magnum family, simplifying inventory and integration across different voltage or application requirements.
In practical use, Magnum DS breakers are ideal for low-voltage power distribution in industrial plants, data centers, commercial buildings, and other facilities requiring robust overload and short-circuit protection. Their high interrupting capacity and coordination capabilities make them suited for main and feeder breaker roles where high fault-current capability is required. Because of their compact footprint, they are also advantageous in retrofit or space-constrained installations, or where modular, draw-out breakers ease maintenance and reduce downtime. You can find the Magnum DS breakers at Electrical.com, your reliable partner for industrial and commercial electrical products. Our selection includes trusted breakers from manufacturers like Eaton and Cutler Hammer, backed by a dedicated sales team ready to assist with technical questions, product selection, and support.