Siemens 3VA1196-5EF32-0AA0 3VA11 Series Molded Case Circuit Breaker 16A 3P 55kA
The Siemens 3VA1196-5EF32-0AA0 is a high-performance 3-pole molded case circuit breaker from the 3VA11 series, designed for robust protection in industrial electrical systems. Engineered for reliability, this 16A breaker boasts a significant breaking capacity of 55kA, ensuring safe interruption of fault currents. Its advanced thermal-
Product Specifications
| Feature | Specification |
| :--------------------------- | :--------------------------------------------- |
| Product Type | Molded Case Circuit Breaker |
| Series | 3VA11 |
| Model Number | 3VA1196-5EF32-0AA0 |
| Rated Current (In) | 16 A |
| Number of Poles | 3P |
| Breaking Capacity (Icu/Ics) | 55 kA |
| Rated Voltage (Ue) | 415 V AC |
| Trip Unit Type | Thermal-Magnetic (TM) |
| Overload Setting Range | Adjustable (typical 0.7-1.0 In) |
| Short-Circuit Setting | Fixed or Adjustable (depending on variant) |
| Terminal Type | Screw Terminals |
| Mounting Type | DIN Rail / Panel Mount |
| Dimensions (H x W x D) | Varies by specific enclosure, consult datasheet |
| Compliance Standards | IEC 60947-2, UL 489, CSA 22.2 No. 5 |
Core Features & Market Positioning
The Siemens 3VA1196-5EF32-0AA0 stands out in the industrial circuit breaker market due to its superior breaking capacity of 55kA, offering a high level of protection against severe fault conditions. This feature positions it as a premium choice for applications demanding robust safety and reliability. The integrated thermal-magnetic trip unit ensures dependable overcurrent and short-circuit protection with adjustable overload settings, allowing for fine-tuning to specific load requirements and minimizing nuisance tripping. Its compact design and flexible mounting options (DIN rail or panel mount) facilitate easy integration into various electrical panels and switchgear assemblies. The 3VA11 series is recognized for its durability and adherence to international standards, making it a trusted component for demanding industrial environments.
Key Application Scenarios
This Siemens molded case circuit breaker is ideally suited for protecting main feeders, distribution circuits, and individual equipment in a wide range of industrial settings. Its high breaking capacity makes it particularly valuable in facilities with significant short-circuit levels, such as manufacturing plants, data centers, and commercial buildings. Common applications include motor control circuits, power distribution boards, and backup power systems where reliable fault interruption is paramount. The 16A rating and 3-pole configuration make it suitable for protecting three-phase loads like pumps, fans, and conveyors.
Practical System Integration Guidance
Integrating the Siemens 3VA1196-5EF32-0AA0 into existing electrical infrastructure is straightforward due to its standardized form factor and connection terminals. For panel mounting, ensure adequate clearance and proper insulation. When wiring, connect the line conductors to the upper terminals and the load conductors to the lower terminals, ensuring correct phase rotation. The breaker is typically equipped with screw terminals, requiring appropriate torque values for secure connections to prevent overheating and ensure optimal electrical contact. For adjustable settings, consult the product manual to configure the overload (Ir) and short-circuit (Im) trip points according to the protected circuit's design and load characteristics. Overload settings should generally be set between 0.7 and 1.0 times the rated current of the protected equipment, while short-circuit settings should be coordinated with downstream protective devices.
Operation and Risk Mitigation
Operating the Siemens 3VA1196-5EF32-0AA0 involves straightforward manual operation of the ON/OFF toggle lever. In the event of an overload or short circuit, the breaker will trip automatically, interrupting the power flow. After a trip, visually inspect the lever; if it is in a middle position, it indicates a trip. To reset, firmly move the lever to the OFF position first, then back to the ON position. If the breaker trips repeatedly, it signifies a persistent fault condition that requires investigation before re-energization. Common troubleshooting involves checking for overloaded circuits, shorted wiring, or faulty connected equipment. Always ensure proper lockout/tagout procedures are followed during maintenance or fault investigation to prevent accidental energization.
Scalability & Long-Term Value
The 3VA11 series, including the 3VA1196-5EF32-0AA0, offers excellent long-term value through its robust construction and compatibility with Siemens' broader industrial automation portfolio. While this specific model is a fixed-type breaker, its integration capabilities with modern control systems are a key advantage. For advanced monitoring and control, companion auxiliary and alarm switches can be fitted, enabling communication with PLCs or SCADA systems. This allows for remote status monitoring, diagnostics, and integration into Digital Substation solutions for enhanced operational efficiency and predictive maintenance strategies. The inherent durability of Siemens components ensures a long service life, reducing replacement costs and minimizing downtime.
Frequently Asked Questions
1. What is the breaking capacity of the Siemens 3VA1196-5EF32-0AA0?
This circuit breaker offers a high breaking capacity of 55 kA. This ensures reliable interruption of severe fault currents.
It protects electrical systems from damage during short circuits. This high rating is crucial for industrial environments.
The 55kA rating provides a significant safety margin. It exceeds the requirements for many standard applications.
2. How do I adjust the trip settings on the 3VA1196-5EF32-0AA0?
Adjustment typically involves setting the thermal overload and magnetic trip elements. Consult the product manual for precise instructions.
Settings are usually made via rotary dials or small levers on the breaker's front face. Ensure correct torque when adjusting.
Proper adjustment prevents nuisance tripping while ensuring protection. Always follow manufacturer guidelines for safety.
3. What are the typical applications for the Siemens 3VA1196-5EF32-0AA0?
This 16A, 3-pole breaker suits main feeders and distribution circuits. It is ideal for industrial power distribution.
It protects motor control circuits and individual equipment. Applications include pumps, fans, and conveyors.
Its high breaking capacity is vital in areas with high fault current levels. Think manufacturing plants and data centers.
4. Can I mount the 3VA1196-5EF32-0AA0 on a DIN rail?
Yes, this breaker is designed for versatile mounting. It supports both DIN rail and panel mounting options.
Ensure the DIN rail is securely fastened. The breaker should click firmly into place.
Proper mounting ensures mechanical stability and electrical contact. Refer to installation guides for best practices.
5. What is the difference between Icu and Ics for this breaker?
Icu (Ultimate Breaking Capacity) is the maximum fault current the breaker can interrupt. Ics (Service Breaking Capacity) is the current it can interrupt repeatedly.
For this model, both are typically 55 kA. This means it can safely interrupt severe faults.
Understanding these ratings ensures appropriate application. It guarantees safety and operational reliability.
6. How do I reset a tripped Siemens 3VA1196-5EF32-0AA0 circuit breaker?
First, identify and rectify the cause of the trip. Then, firmly push the lever to the OFF position.
After moving to OFF, move the lever to the ON position. The breaker should then be ready for service.
If it trips again, investigate further. Persistent tripping indicates an unresolved issue.
7. What kind of terminal connections does this breaker use?
The 3VA1196-5EF32-0AA0 typically uses screw terminals. These are suitable for connecting rigid and flexible conductors.
Ensure conductors are properly prepared and sized. Tighten screws to the recommended torque for secure connections.
Use appropriate crimp terminals if required by conductor type and application. Avoid loose connections to prevent overheating.
8. Is the Siemens 3VA1196-5EF32-0AA0 suitable for motor protection?
Yes, with its adjustable thermal-magnetic trip unit, it's suitable for motor protection. You can set overload for motor starting characteristics.
The 55kA breaking capacity is essential for motor fault protection. It safeguards against severe short circuits.
Ensure the overload setting (Ir) is correctly matched to the motor's Full Load Amps (FLA). Consult motor nameplate data.
9. What standards does the Siemens 3VA1196-5EF32-0AA0 comply with?
This breaker complies with key international standards. These include IEC 60947-2 and UL 489.
It also meets CSA 22.2 No. 5 requirements. Compliance ensures safety and interoperability.
These certifications guarantee its suitability for global industrial use. It meets stringent quality and performance benchmarks.
10. Can this circuit breaker be integrated with smart grid or IIoT systems?
Yes, with optional auxiliary and alarm switches. These can interface with PLCs and SCADA systems for monitoring.
This allows for remote status reporting and diagnostics. It supports digital substation concepts.
Integration enables advanced analytics and predictive maintenance. This enhances operational efficiency and reduces downtime.
