Description
The MAXGE SGM3Si-400 Moulded Case Circuit Breaker (MCCB) is an advanced industrial circuit breaker designed to meet international standards. This adjustable-type MCCB is engineered for use in circuits with a rated voltage below 690V and can handle a rated working current of up to 400A, making it ideal for infrequent motor transformations and startups. Its robust construction ensures reliability in demanding industrial environments.
Specifications
| Attribute | Details |
|---|---|
| Frame Size | 400 |
| Model | SGM3Si-400 |
| Rated Insulation Voltage Ui (V) | 800 |
| Rated Impulse Withstand Voltage Uimp (kV) | 8 |
| Number of Poles | 3, 4 |
| Rated Current (A) In | 225, 250, 280, 300, 315, 350, 400 |
| Breaking Capacity Level | M, H |
| Rated Ultimate Short-Circuit Breaking Capacity lcu (kA) | 65, 100 |
| Rated Service Short-Circuit Breaking Capacity lcs (kA) | 50, 75 |
| Magnetic-Adjustable Setting Ii (xIn) | 8/10/12 |
| Thermo-Adjustable Setting lr (xIn) | 0.8/0.9/1.0 |
| Mechanical Endurance | 4000 |
| Electrical Endurance | 1000 |
| Standard | IEC60947-2 |
| Dimensions 3P (mm L*W*H) | 150 x 257 x 148 |
| Reference Temperature | 40℃/55℃ |
| Dimensions 4P (mm) | 198 x 257 x 148 |
Additional Information
For optimal performance, ensure the MCCB is installed by a qualified professional and regularly inspected to maintain safety standards.
