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3VA1225-6EF32-0AA0
circuit breaker 3VA1 IEC Frame 250 breaking capacity class H Icu=70 kA @ 415 V 3-pole, line protection TM240, ATAM, In=250 A overload protection Ir=175 A…250 A short-circuit protection Ii=5…10 x In nut keeper kit
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3VA1225-6EF32-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1225-6EF32-0AA0 |
| Product Description | |
| Product family | 3VA Molded Case Circuit Breakers up to 1600 A, IEC |
| Product Lifecycle (PLM) | Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 12P / 53J |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | LOA—– |
| General technical data | |
| insulation voltage / rated value | 800 V |
| operating voltage / at DC / rated value | 500 V |
| operating voltage / at AC / rated value | 690 V |
| power loss [W] / maximum | 57 W |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 19 W |
| mechanical service life (operating cycles) / typical | 20 000 |
| electrical endurance (operating cycles) / at AC-1 / at 380/415 V | 8 000 |
| electrical endurance (operating cycles) / at AC-1 / at 690 V | 5 400 |
| ground-fault monitoring version | Without |
| WEEE (2012/19/EU) Take-Back Obligation | Yes |
| REACH Art. 33 Duty to inform according to the current list of candidates | not available |
| Net Weight | 1.61 kg |
Product Description
Product Overview
Product Name: 3VA1 Molded Case Circuit Breaker
Product Code: 3VA1225-6EF32-0AA0
Product Family: 3VA Molded Case Circuit Breakers up to 1600 A (IEC)
Brand: Siemens SENTRON
Design: Line protection with TM240 thermal-magnetic trip unit
Protection Type: LI (Overload & Instantaneous short-circuit protection)
Number of Poles: 3P
Life Cycle Status: Active Product
Technical Specifications
Rated Current (In): 250 A
Adjustable Overload Protection (Ir): 175…250 A
Short-Circuit Protection (Ii): 5…10 × In
Breaking Capacity: 70 kA @ 415 V AC (Class H)
Rated Insulation Voltage (Ui): 800 V
Rated Operating Voltage:
690 V AC
500 V DC
Power Loss:
Total: 57 W (maximum)
Per Pole: 19 W at rated current
Mechanical Durability: 20,000 operations
Electrical Endurance:
8,000 cycles @ 380/415 V AC
5,400 cycles @ 690 V AC
Net Weight: 1.61 kg
Performance & Features
High breaking capacity suitable for demanding industrial environments
Compact and modular design for easy installation and maintenance
Line protection with precise thermal and magnetic trip settings
Compatible with nut keeper kit for secure mounting
Complies with international standards (IEC)
Reliable protection up to 250 A, suitable for distribution panels and main feeders
Applications
Industrial control panels
Motor and feeder protection
Power distribution systems
Infrastructure and commercial buildings
Summary
In summary, the Siemens 3VA1225-6EF32-0AA0 is a high-performance molded case circuit breaker that offers robust line protection, excellent endurance, and safety for modern electrical systems up to 250 A, making it ideal for critical applications requiring 70 kA breaking capacity at 415 V.
Frequently Asked Questions
What is the full form of MCCB in Siemens?
The full form of MCCB is Molded Case Circuit Breaker. A Siemens MCCB is designed to handle high electrical currents, often up to 1000A, making it highly reliable for industrial and commercial applications. These breakers provide advanced protection against overloads and short circuits, ensuring the safety of large electrical systems.
What is the difference between a Molded Case Circuit Breaker (MCB) and an MCCB?
The main difference between an MCB (Miniature Circuit Breaker) and an MCCB (Molded Case Circuit Breaker) lies in their capacity and applications.
✅MCBs are generally used for low-power applications, with a short-circuit breaking capacity of up to 10–15 kA. They are best suited for residential and light commercial systems.
✅ MCCBs, on the other hand, are designed for medium to high-power applications, with a breaking capacity ranging from 15 kA up to 100 kA and current ratings up to 1000A. This makes them ideal for industrial environments where large electrical loads need reliable protection.
Which company circuit breaker is best?
✅ In 2025, the leading circuit breaker brands include Siemens, Schneider Electric, ABB, Eaton, and Legrand. Among them, Siemens MCCBs—especially the Sentron 3VA series—stand out for safety, durability, and advanced circuit protection in industrial and commercial applications.
What breakers work in a Siemens box?
Siemens QT, QP, QAF, and QPF breakers fit Siemens panels. However, not all breakers are interchangeable—e.g., a QT breaker cannot replace a QP breaker. Always check compatibility before replacing.
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