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3VA1225-1AA32-0AA0
switch disconnector 3VA1 IEC frame 250 3-pole SD100, In=250A without overload protection w/o short-circuit protection nut keeper kit
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3VA1225-1AA32-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1225-1AA32-0AA0 |
| Product Description | |
| Product family | SENTRON 3VA Switch Disconnectors in MCCB design up to 250 A |
| 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—– |
| Additional Product Information | |
| EAN | 4042948800386 |
| UPC | 804766421433 |
| Commodity Code | 85362090 |
| LKZ_FDB/ CatalogID | LV10.1 |
| Product Group | 5375 |
| Group Code | P360 |
| Country of origin | Czech Republic |
| Compliance with the substance restrictions according to RoHS directive | Since: 01.06.2012 |
| Product class | B: return restricted, please contact your Siemens partner/contact |
| WEEE (2012/19/EU) Take-Back Obligation | Yes |
| REACH Art. 33 Duty to inform according to the current list of candidates | not available |
| SCIP number | not available |
Product Description
Key Features and Specifications:
- Rated Current (In): 250 A
- Poles: 3
- Frame Size: 250
- Overload Protection: None
- Short-Circuit Protection: None
- Terminal Connection: Nut keeper kit
- Insulation Voltage (Ui): 800 V
- Rated AC Voltage (Ue): 690 V
- Rated DC Voltage (Ue): 500 V
- Surge Voltage Resistance: 8 kV
- Maximum Power Loss: 57 W
- Mechanical Service Life: 20,000 operating cycles
- Mounting Type: Fixed
- Suitability: Switch disconnector, main switch, safety switch, EMERGENCY OFF switch, maintenance/repair switch
- Communication Function: None
- Net Weight: 1.513 kg
Technical Data:
- Number: 3VA1225-1AA32-0AA0
- Product Family: SENTRON 3VA Switch Disconnectors in MCCB design up to 250 A
- Product Design: MCCB design
- Product Version: General applications
- Auxiliary Release / Switch: Without
- Lifecycle Status: Active Product
- EAN: 4042948800386
- UPC: 804766421433
- Commodity Code: 85362090
- Country of Origin: Czech Republic
Applications:
- Manual isolation of electrical circuits in industrial installations
- Suitable as a main switch, safety switch, EMERGENCY OFF switch, and maintenance/repair switch
- Provides secure and reliable disconnection without built-in overload or short-circuit protection
Summary
The Siemens 3VA1225-1AA32-0AA0 switch disconnector delivers dependable manual switching for industrial applications with a rated current of 250 A. Its MCCB design, fixed mounting, and nut keeper terminals ensure safe, long-lasting operation, making it ideal for general-purpose switching and circuit isolation tasks.
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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