The Siemens 3VJ1450-7EB42-0AA0 is a SENTRON 3VJ1 series MCCB (Molded Case Circuit Breaker) designed for industrial low-voltage power distribution systems. It provides reliable protection against overload and short-circuit faults, making it suitable for use in LT panels, MCC, PCC, and main distribution boards.
This model belongs to the 3VJ14 frame (500A class) and is commonly used for heavy-duty industrial feeders and transformer secondary protection systems.
• Siemens SENTRON 3VJ1 series MCCB
• Part Number: 3VJ1450-7EB42-0AA0
• 4 Pole configuration (3P + Neutral)
• Rated current: 500A
• Thermal-Magnetic trip unit (ATFM type)
• Overload protection: adjustable (approx. 400A–500A)
• Short-circuit protection: fixed instantaneous setting
• High breaking capacity: 55 kA @ 415V AC
• Compact molded case construction
• Screw-type terminal connection
• IEC 60947-2 compliant
• High mechanical & electrical endurance
• Suitable for industrial-grade power distribution
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VJ1 |
| Part Number | 3VJ1450-7EB42-0AA0 |
| Product Type | MCCB (Molded Case Circuit Breaker) |
| Frame Size | 3VJ14 (500A class) |
| Number of Poles | 4 Pole |
| Rated Current | 500A |
| Trip Unit | Thermal-Magnetic (ATFM) |
| Protection Functions | Overload & Short Circuit |
| Breaking Capacity | 55 kA @ 415V |
| Rated Voltage | Up to 690V AC |
| Frequency | 50/60 Hz |
| Mounting Type | Fixed mounting |
| Standard | IEC 60947-2 |
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