Eaton / Cutler-Hammer Magnum DS Low Voltage Power Circuit Breakers Circuit Breakers
The Eaton Magnum DS series is Eaton's flagship low voltage power circuit breaker line, offering the highest ANSI interrupting and withstand ratings in the industry. Available in standard, narrow, and double frame configurations from 800A to 6000A, the Magnum DS is designed for metal-enclosed low voltage switchgear and switchboards. The full 25-character nameplate catalog number encodes the complete configuration including trip unit, motor operator, shunt trip, and mounting style.
Series Specifications
| Frame | MDS Standard / Double / Narrow Frame — 800A–6000A Frame |
|---|---|
| Amperage Range | 800A - 6000A |
| Voltage | 600VAC |
| Poles | 3-Pole, 4-Pole |
| Interrupting Rating | 42kA–100kA @ 480V |
| Mounting | Drawout (D/O) or Fixed Mount |
| Trip Type | Electronic (Digitrip 520, 520M, 1150) |
History and Replacement Context
The Magnum DS was developed by Cutler-Hammer and continued by Eaton after the acquisition. It replaced the earlier DS and DC series power circuit breakers and remains Eaton's primary ANSI low voltage power circuit breaker for switchgear applications.
Typical Applications
- Industrial switchgear main breakers
- Utility service entrance equipment
- Data center power distribution
- Large commercial building mains
- Manufacturing facility power distribution