MDSC40 ~ 1150+ LSIG ~ EATON Cutler-Hammer MDSC-40 Circuit Breaker ~ 4000 amp MDSC403WEA321GCNAN4YNNNAX


EATON Cutler Hammer Magnum DS MDSC40 Circuit Breaker

4000 amp MDSC403

Manually Operated
600 volt
3 pole ABCABC Frame
4000 amp frame
4000 amp Current Transformers
100kA Interrupting


M- Magnum
S- Standard or Double
C- 100/100kA Interrupting
4- 4000 amp
0- ABCABC Frame
3- 3 Pole
W- Drawout Frame
E- English Nameplate
A- All Breakers Future Use
4- Sensors and Rating Plug
0- 4000 amp
1- 1150+ LSIG
G- 120 vAC External Control Voltage for Programmer
C- 24vDC Shunt Trip
N- 110-125vAC Motor Operator ~ 6D32790G34
A- 110-127vAC/DC Spring Release Device
N- No UVR Device
4- 4A/4B Auxiliary Switch ~ MAUX2 ~ 2C12791G01
Y- Bell Alarm OTS with 2A/2B Contacts and Trip Indicator
N- No Padlocks
N- No Operations Counter
N- No Latch Check Switch
A- Shipping Options
X- Future Breakers

Digitrip 1150+ 11PLSIG ~ 2A11799G41
Long Time
Short Time
Ground Fault Functions
Trip Unit Power 120vAC
Units currently have 4000 amp and 3200 amp Rating Plugs

Each Reconditioned MDSC40 Circuit Breaker is Tested with Report and Backed by Our 1 Year Warranty.
Meggered, Ductored and Tested on Our High Current Primary Injection Test Set.

*NAS can offer these in manually operated or converted to match your needs*

Keep in mind NAS carries Magnum DS Switchgear from 600 amp up to 4000 amp.

Must ship via freight on a pallet.

Call 800-909-3660 or email with questions.

After hours emergency hotline 216-402-0507 or 216-570-2725


MDSC40 ~ 1150+ LSIG ~ EATON Cutler-Hammer MDSC-40 Circuit Breaker ~ 4000 amp MDSC403WEA321GCNAN4YNNNAX

NASG14073 ~ NASG14074 ~ NASG14082 ~ NASG14083 in A Section

North American Switchgear, Inc. is an industry leader in the sale of new, used and out-of-production industrial circuit breakers, switchgear and associated parts.  Our Cleveland, OH facility spans over 300,000 square feet and houses over 13,000 low and medium voltage circuit breakers from all major manufacturers.  Aside from the sale of circuit breakers, switchgear and replacement parts, NAS also offers equipment recondition and repair services.  For more information please visit our website at, call 800-909-3660 or email



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