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3VA1150-4EF36-0AA0
circuit breaker 3VA1 IEC Frame 160 breaking capacity class S Icu=36 kA @ 415 V 3-pole, line protection TM240, ATAM, In=50 A overload protection Ir=35 A…50 A short-circuit protection Ii=5…10 x In terminal connection
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- 3VA1150-4EF36-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1150-4EF36-0AA0 |
| Product Description | circuit breaker 3VA1 IEC Frame 160 breaking capacity class S Icu=36 kA @ 415 V 3-pole, line protection TM240, ATAM, In=50 A overload protection Ir=35 A…50 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 | 4042948820490 | |
| UPC | 804766424519 | |
| Commodity Code | 85362010 | |
| 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 | C: products manufactured / produced to order, which cannot be reused or re-utilized or be returned against credit. | |
| WEEE (2012/19/EU) Take-Back Obligation | Yes | |
| REACH Art. 33 Duty to inform according to the current list of candidates | ||
| SCIP number | f1a57042-6f7f-4d16-ba82-b4989527e636 | |
Product Description
The Siemens 3VA1150-4EF36-0AA0 is a 3-pole Molded Case Circuit Breaker (MCCB) from the 3VA1 IEC series, designed to provide safe and efficient protection in low-voltage power distribution systems. With a frame size of 160 and a breaking capacity of 36 kA at 415 V (class S), it ensures reliable performance under both overload and short-circuit conditions. Featuring the TM240 trip unit with ATAM line protection, it offers adjustable overload protection (Ir = 35–50 A) and short-circuit protection in the range of 5–10 × In. Its robust design with standard terminal connection makes it suitable for demanding industrial and commercial applications.
Key Features and Specifications:
- Rated Current (In): 50 A
- Rated Voltage (Un): 415 V AC
- Breaking Capacity (Icu): 36 kA @ 415 V
- Frame Size: 160
- Poles: 3
- Trip Unit: TM240 with ATAM line protection
- Overload Protection (Ir): Adjustable 35–50 A
- Short-Circuit Protection (Ii): 5–10 × In
- Terminal Connection: Standard terminal type
Technical Data:
- Number: 3VA1150-4EF36-0AA0
- EAN: 4042948820490
- UPC: 804766424519
- Commodity Code: 85362010
- Catalog Reference: LV10.1
- Product Group: 5375
- Group Code: P360
- Lifecycle Status: Active Product
- Product Family: 3VA Molded Case Circuit Breakers up to 1600 A, IEC
Applications:
- Protection of feeder and distribution circuits in commercial and industrial installations
- Provides dependable overload and short-circuit protection for low-voltage systems
- Ensures safety, compliance, and long-term reliability in demanding environments
Summary
The Siemens 3VA1150-4EF36-0AA0 MCCB delivers a 36 kA breaking capacity with versatile protection settings. With its TM240 trip unit and adjustable overload and short-circuit protection, it is an efficient and reliable choice for industrial and commercial low-voltage distribution networks.
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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