The Siemens 3VA1140-4EE32-0AA0 is a high-performance SENTRON 3VA1 Molded Case Circuit Breaker (MCCB) designed for reliable protection of electrical distribution systems against overload and short-circuit faults. This 3-pole MCCB features a 40A rated current with a breaking capacity of 36kA at 415V AC, ensuring dependable circuit protection in industrial, commercial, and infrastructure applications. Equipped with a TM220 thermal-magnetic trip unit, adjustable overload protection, and robust IEC-compliant construction, it provides enhanced operational safety, long service life, and efficient power distribution management in low-voltage installations.
• Siemens SENTRON 3VA1 Molded Case Circuit Breaker (MCCB)
• Part Number: 3VA1140-4EE32-0AA0
• 3-Pole circuit breaker configuration
• Rated current: 40A
• Breaking capacity: 36kA at 415V AC
• Frame size: 160A IEC frame
• Thermal-Magnetic Trip Unit (TM220)
• Adjustable overload protection (Ir: 28A to 40A)
• Instantaneous short-circuit protection (Ii = 10 × In)
• Reliable protection against overload and short-circuit faults
• Compact and rugged industrial design
• Fixed mounting execution type
• Front connection with screw terminals
• High mechanical and electrical endurance
• Suitable for industrial and commercial power distribution systems
• Easy installation and maintenance
• Designed according to IEC 60947 standards
• Ideal for LT panels, switchboards, motor protection, and distribution systems
| Parameter | Specification |
|---|---|
| Product Series | Siemens SENTRON 3VA1 |
| Part Number | 3VA1140-4EE32-0AA0 |
| Product Type | Molded Case Circuit Breaker (MCCB) |
| Number of Poles | 3 Pole |
| Rated Current (In) | 40A |
| Frame Size | 160A |
| Breaking Capacity (Icu) | 36kA at 415V AC |
| Rated Operational Voltage (Ue) | Up to 690V AC |
| Rated Insulation Voltage (Ui) | 800V |
| Frequency | 50/60 Hz |
| Trip Unit Type | TM220 Thermal-Magnetic |
| Overload Protection Range (Ir) | 28A – 40A |
| Short-Circuit Protection (Ii) | 10 × In |
| Mounting Type | Fixed Mounting |
| Connection Type | Front Screw Terminal Connection |
| Degree of Protection | IP20 / IP40 (Front Face) |
| Mechanical Endurance | 20,000 Operations |
| Electrical Endurance | 8,000 Operations |
| Power Loss | 10.8 W |
| Standard Compliance | IEC 60947-2 |
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