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3VA1112-4EF36-0AA0
Molded case circuit breaker (MCCB) 3VA1, 150 / 160 A, TM240 ATAM, 3 pole, Connection to cables
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3VA1112-4EF36-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1112-4EF36-0AA0 |
| Product Description | circuit breaker 3VA1 IEC Frame 160 breaking capacity class S Icu=36 kA @ 415 V 3-pole, line protection TM240, ATAM, In=125 A overload protection Ir=88 A…125 A short-circuit protection Ii=5…10 x In terminal connection |
| Product family | 3VA Molded Case Circuit Breakers up to 1600 A, IEC |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | 12P / 1CB |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | LOA—– |
| Additional Product Information | ||
| EAN | 4042948820650 | |
| UPC | 804766429408 | |
| 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: 01.04.2014 | |
| 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 | ||
| SCIP number | 12808dea-c977-4ce2-8006-c7656673e470 | |
Product Description
The Siemens 3VA1112-4EF36-0AA0 is a 3-pole molded case circuit breaker (MCCB) designed for line protection in low-voltage electrical systems. It ensures comprehensive protection against overloads and short circuits, making it suitable for a wide range of industrial and commercial applications.
Key Features and Specifications:
- Frame Size: 160 A
- Class S: Icu = 36 kA at 415 V, delivering high fault interruption capacity in case of electrical faults.
- Poles: 3-pole design, providing protection across three phases.
- Rated Current (In): 125 A, designed to support medium-load electrical systems.
Protection:
- Overload Protection (Ir): Adjustable between 88 A and 125 A, offering customizable protection settings to avoid overheating and damage due to continuous overcurrent.
- Short-Circuit Protection (Ii): Adjustable from 5 to 10 times the rated current (5…10 x In), ensuring effective protection during high current surges caused by short circuits.
Protection Type:
- TM240, ATAM (Advanced Time-Current Management): Provides accurate time-current characteristics, ensuring reliable protection for both overload and short-circuit conditions.
Connection Type:
- Terminal Connection: Standardized terminal connection system, ensuring secure and efficient connectivity.
Compliance & Standards:
- RoHS Compliance: The product complies with the RoHS directive since April 1, 2014, ensuring the use of environmentally safe materials.
- WEEE Directive (2012/19/EU): Fully compliant with the waste electrical and electronic equipment (WEEE) disposal and recycling regulations.
Additional Information:
- EAN: 4042948820650
- UPC: 804766429408
- Commodity Code: 85362090
- Catalog ID: LV10.1
- Product Group: 5375
- Group Code: P360
- Product Lifecycle (PLM): PM300 – Active Product
Summary
The Siemens 3VA1112-4EF36-0AA0 is a versatile circuit breaker, ideal for protecting electrical systems from both overloads and short circuits. It combines advanced protection features with high breaking capacity and compliance with international standards, making it a robust choice for industrial environments.
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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