The Siemens 3VJ1220-3EB42-0AA0 is a SENTRON 3VJ series Molded Case Circuit Breaker (MCCB) designed to provide dependable protection against overload and short-circuit faults in low-voltage electrical distribution systems. This 4-pole MCCB is equipped with an Adjustable Thermal Fixed Magnetic (ATFM) trip unit, ensuring accurate protection and reliable operation in industrial and commercial installations.
Built on the 3VJ12 frame size (250A class), this MCCB features a rated current of 200A and a breaking capacity of 25kA at 415V AC. It is widely used in LT panels, PCC panels, MCC systems, feeder circuits, and power distribution networks where safety, performance, and durability are essential.
• Siemens SENTRON 3VJ series MCCB
• Part Number: 3VJ1220-3EB42-0AA0
• 4-pole molded case circuit breaker
• Thermal Magnetic Trip Unit (ATFM type)
• Rated current: 200A
• Frame size: 3VJ12 / 250A class
• Overload protection: adjustable (approx. 160–200A)
• Short-circuit protection: fixed magnetic (≈10 × In)
• Breaking capacity: 25kA at 415V AC
• Rated operational voltage: 415V AC
• Screw terminal connection
• Fixed mounting execution
• Compact and rugged industrial design
• High mechanical and electrical endurance
• Suitable for industrial and commercial power distribution systems
• Complies with IEC 60947-2 standards
• Ideal for LT panels, PCC panels, MCC systems, and feeder protection applications
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VJ |
| Part Number | 3VJ1220-3EB42-0AA0 |
| Product Type | MCCB (Molded Case Circuit Breaker) |
| Number of Poles | 4 Pole |
| Rated Current (In) | 200A |
| Trip Unit Type | Thermal Magnetic (ATFM) |
| Overload Protection | Adjustable (160–200A) |
| Short Circuit Protection | Fixed Magnetic |
| Breaking Capacity (Icu) | 25kA at 415V AC |
| Frame Size | 3VJ12 / 250A Class |
| Rated Operational Voltage | 415V AC |
| Mounting Type | Fixed Mounting |
| Connection Type | Screw Terminal |
| Standard Compliance | IEC 60947-2 |
| Frequency | 50/60 Hz |
| Application | LT Panels, PCC Panels, MCC Systems, Feeder Protection, Industrial Power Distribution |
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