The Siemens 3VJ1340-4DB32-0AA0 is a robust SINOVA 3VJ Series Molded Case Circuit Breaker (MCCB) designed for reliable protection of low-voltage electrical distribution systems. This 3-pole MCCB is rated at 400A and provides dependable overload and short-circuit protection through its Thermal Magnetic Trip Unit (ATFM). With a breaking capacity of 25kA at 415V AC, the breaker is ideal for industrial panels, commercial buildings, power distribution systems, and OEM applications. Its compact design, high reliability, and compliance with international standards make it a preferred choice for electrical protection and control applications.
• Siemens SINOVA 3VJ Series MCCB
• Part Number: 3VJ1340-4DB32-0AA0
• 3-Pole construction
• Rated current: 400A
• Thermal Magnetic Trip Unit (ATFM)
• Adjustable overload protection (Ir: 320A–400A)
• Instantaneous short-circuit protection (Ii: 10 × In)
• Breaking capacity: 25kA at 415V AC
• Frame Size 3VJ13
• Screw terminal connection
• Compact and rugged design
• Reliable line protection for power distribution systems
• High electrical and mechanical endurance
• Easy installation and maintenance
• Suitable for industrial and commercial applications
• Complies with IEC standards for low-voltage switchgear
• Designed for PCC Panels, MCC Panels, Distribution Boards, and OEM Machinery Applications
| Parameter | Specification |
|---|---|
| Product Series | Siemens SINOVA 3VJ |
| Part Number | 3VJ1340-4DB32-0AA0 |
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Number of Poles | 3 Pole |
| Rated Current (In) | 400A |
| Frame Size | 3VJ13 |
| Trip Unit Type | Thermal Magnetic (ATFM) |
| Overload Protection Setting (Ir) | 320A – 400A |
| Short-Circuit Protection (Ii) | 10 × In |
| Breaking Capacity (Icu) | 25kA at 415V AC |
| Service Breaking Capacity (Ics) | 75% of Icu |
| Rated Operational Voltage (Ue) | 415V AC |
| Connection Type | Screw Connection |
| Protection Functions | Overload & Short Circuit Protection |
| Mounting Type | Fixed Mounting |
| Frequency | 50/60 Hz |
| Standard Compliance | IEC 60947-2 |
| Application | PCC Panels, MCC Panels, Distribution Boards, Industrial Machines, HVAC Systems |
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