The Siemens 3VA2340-5JQ42-0AA0 is a high-end SENTRON 3VA2 series MCCB (Molded Case Circuit Breaker) designed for advanced low-voltage power distribution protection in industrial and infrastructure systems. It provides reliable protection against overload, short-circuit, and earth fault conditions, ensuring safe and stable operation of electrical networks.
This model belongs to the 3VA23 frame (400A class) and comes with an advanced electronic trip unit (ETU560 LSIG) for precise, fully adjustable protection and monitoring functions.
• Siemens SENTRON 3VA2 series MCCB
• Part Number: 3VA2340-5JQ42-0AA0
• 4 Pole configuration
• Rated current: 400A (frame dependent)
• High breaking capacity: 55 kA @ 415V AC
• Electronic trip unit: ETU560 LSIG (advanced protection)
• Protection functions: Overload (L), Short circuit (S/I), Earth fault (G), Neutral protection (N)
• Adjustable settings for full selectivity coordination
• Nut keeper / lug terminal connection variant
• Compact molded case design
• IEC 60947-2 compliant
• High mechanical and electrical endurance
• Suitable for critical industrial power systems
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VA2 |
| Part Number | 3VA2340-5JQ42-0AA0 |
| Product Type | MCCB (Molded Case Circuit Breaker) |
| Frame Size | 3VA23 (400A class) |
| Number of Poles | 4 Pole |
| Rated Current | 400A |
| Trip Unit | ETU560 LSIG (Electronic) |
| Protection Functions | Overload, Short Circuit, Earth Fault, Neutral |
| 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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