The Siemens 3VA2340-4HM42-0AA0 is a high-performance Molded Case Circuit Breaker (MCCB) from the SENTRON 3VA2 series, designed for advanced protection of low-voltage electrical distribution systems. It offers reliable protection against overload, short circuit, and earth fault conditions, making it suitable for critical industrial and commercial power networks.
This model belongs to the 3VA23 frame size (400A class) and is equipped with an electronic trip unit (ETU330 LIG) for precise and adjustable protection settings.
• Siemens SENTRON 3VA series MCCB
• Part Number: 3VA2340-4HM42-0AA0
• 4 Pole configuration
• Rated current: 400A (frame dependent)
• Microprocessor-based electronic trip unit (ETU330 LIG)
• Protection: Overload, short circuit & earth fault
• High breaking capacity (approx. 36 kA @ 415V, variant dependent)
• Adjustable protection settings (Ir, Isd, Ig)
• Compact and modular design
• Suitable for panel mounting
• High electrical & mechanical endurance
• IEC 60947-2 compliant
• Advanced arc-quenching system
• Designed for industrial-grade reliability
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VA2 |
| Part Number | 3VA2340-4HM42-0AA0 |
| Product Type | MCCB (Molded Case Circuit Breaker) |
| Frame Size | 3VA23 |
| Number of Poles | 4 Pole |
| Rated Current | 400A |
| Trip Unit | Electronic (ETU330 LIG) |
| Protection Functions | Overload, Short Circuit, Earth Fault |
| Breaking Capacity | Up to 36 kA @ 415V (variant dependent) |
| Rated Voltage | Up to 690V AC |
| Frequency | 50/60 Hz |
| Mounting Type | Fixed mounting |
| Standard | IEC 60947-2 |
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