Up For Sale EATON CUTLER-HAMMER MAGNUM DS MDS8403WEA 4000AMP LOW VOLTAGE AC CIRCUIT BREAKER Good Condition and ready to use, This is a 4000 ampere low voltage air circuit breaker from the Magnum DS family. Designed for heavy duty industrial and commercial power distribution. This 3-pole pull-type circuit breaker has a high breaking capacity and is usually equipped with a 110-125V AC/DC motor drive.
- Manufacturer: Eaton Cutler-Hammer
- Product Family: Magnum DS (ANSI/UL 1066 Low-Voltage Power Circuit Breaker)
- Catalog/Model Number: MDS8403WEA
- Frame Size / Continuous Current: 4000 Amps
- Voltage Class: Up to 600V AC
- Interrupting Rating: 85 kAIC at 508V AC (varies based on specific configuration)
- Number of Poles: 3
- Mounting / Design: Draw-out (withdrawable) style, bolt-on insulated caseÂ
- Industrial Durability: Designed to meet rigid ANSI C37.13 and C37.16 standards for heavy-duty, low-voltage power distribution.
- Safety Mechanisms: Features integral microprocessor-based tripping systems, fully selective protection, and can be securely padlocked in multiple positions within the switchgear.
- Space-Saving Footprint: The Magnum DS Switchgear accommodates 4000A breakers in a compact 44-inch-wide frame




















Kane william –
Five-star service right here. The packaging was neat and very secure. The wooden box was wrapped in double bubble wrap and the complete manual booklet. It arrived safely at my place.