Product Description
Siemens 3VJ1340-6EB42-0AA0 – Molded Case Circuit Breaker (MCCB)
The Siemens 3VJ1340-6EB42-0AA0 is a high-performance Molded Case Circuit Breaker (MCCB) from the SENTRON 3VJ1 series, designed for reliable protection of low-voltage power distribution systems. It ensures safe operation by protecting electrical circuits against overload, short-circuit, and fault currents, making it suitable for industrial and commercial applications.
This model is a 400A frame size, 4-pole MCCB with an adjustable thermal-magnetic trip unit, offering both flexibility and dependable protection in demanding electrical environments.
Key Features
• Siemens SENTRON 3VJ series MCCB
• Part Number: 3VJ1340-6EB42-0AA0
• 4 Pole design (3 Phase + Neutral protection)
• Rated current: 400A (frame dependent)
• Thermal-Magnetic adjustable protection system
• Overload and short-circuit protection
• High breaking capacity up to 36 kA @ 415V
• Adjustable current setting (Ir: 320A–400A)
• Instantaneous trip (Ii approx. 10 × In)
• Compact molded case construction
• Screw connection terminals
• IEC 60947-2 compliant
• Suitable for panel mounting
• Industrial-grade durability and long service life
Technical Specifications
| Product Series | Siemens SENTRON 3VJ1 |
| Part Number | 3VJ1340-6EB42-0AA0 |
| Product Type | MCCB (Molded Case Circuit Breaker) |
| Trip Unit Type | Adjustable Thermal-Magnetic (ATFM) |
| Overload Setting (Ir) | 320A – 400A |
| Short Circuit Setting (Ii) | ~10 × In |
| Breaking Capacity | 36 kA @ 415V |
| Mounting Type | Fixed / Panel Mount |
| Connection Type | Screw connection |