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3VA1112-5EF36-0AA0
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:
- 3VA1112-5EF36-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1112-5EF36-0AA0 |
| Product Description | circuit breaker 3VA1 IEC Frame 160 breaking capacity class M Icu=55 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 | 4042948820667 | |
| UPC | 804766429163 | |
| 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 | 8a7c5d1d-6259-4e6d-a817-89b99b04204b | |
Product Description
The Siemens 3VA1112-5EF36-0AA0 is a high-performance, 3-pole molded case circuit breaker (MCCB) designed for reliable protection in industrial and commercial electrical systems. It offers robust overload and short-circuit protection, making it suitable for a wide range of applications.
Key Features and Specifications:
- Frame Size: 160 A
- Class M: Icu = 55 kA at 415 V, providing high fault current protection for medium-duty electrical systems.
- Poles: 3-pole configuration, designed for systems requiring protection across three phases.
- Rated Current (In): 125 A, supporting medium electrical loads.
Protection:
- Overload Protection (Ir): Adjustable between 88 A and 125 A, allowing fine-tuned overload protection to match system requirements and prevent sustained overcurrent damage.
- Short-Circuit Protection (Ii): Set between 5 and 10 times the rated current (Ii = 5…10 x In), offering rapid disconnection in short-circuit events, enhancing system safety.
Protection Type:
- TM240, ATAM (Advanced Time-Current Management): Ensures precise and responsive overcurrent and short-circuit protection, contributing to overall system reliability.
Connection Type:
- Terminal Connection: Provides a secure and stable electrical connection through standard terminals.
Compliance & Environmental Considerations:
- RoHS Compliance: The circuit breaker complies with the RoHS directive, ensuring that it does not contain hazardous substances.
Product Lifecycle:
- PLM: PM300 – Active Product, meaning the product is currently active and supported by Siemens.
Additional Information:
- EAN: 4042948820667
- UPC: 804766429163
- Commodity Code: 85362090
- Catalog ID: LV10.1
- Product Group: 5375
- Group Code: P360
Summary
The Siemens 3VA1112-5EF36-0AA0 circuit breaker is designed for versatile and reliable protection in medium-scale electrical systems. Its adjustable overload and short-circuit protection, combined with a high breaking capacity, make it suitable for both industrial and commercial applications.
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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