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3VA1120-5EE46-0AA0
Molded case circuit breaker (MCCB) 3VA1, 150 / 160 A, TM220, ATFM, 4 pole, Connection to cables
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3VA1120-5EE46-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1120-5EE36-0AA0 |
| Product Description | circuit breaker 3VA1 IEC Frame 160 breaking capacity class M Icu=55 kA @ 415 V 3-pole, line protection TM220, ATFM, In=20 A overload protection Ir=14 A…20 A short-circuit protection Ii=16 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 | 4042948821299 | |
| UPC | 804766427121 | |
| 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-utilised 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 | d1ed5431-b7be-4585-98f5-3192addc9569 | |
Product Description
The Siemens 3VA1120-5EE46-0AA0 is a 4-pole molded case circuit breaker (MCCB) designed for use in low to medium voltage electrical systems. It provides reliable protection against overloads and short circuits, making it suitable for a variety of industrial and commercial applications.
Key Features and Specifications:
- Frame Size: 160 A (IEC standard)
- Rated Current (In): 20 A
Breaking Capacity:
- Icu (Ultimate Breaking Capacity):** 55 kA at 415 V, making it suitable for environments with medium fault levels.
- Poles: 4-pole design, providing full-phase protection along with neutral conductor handling. The neutral (N) conductor is unprotected, which is typical in some system designs where the focus is on phase protection.
Protection Features:
- Overload Protection (Ir): Adjustable between 14 A and 20 A, allowing flexibility in setting the device based on system needsShort-Circuit Protection (Ii):** Fixed at 16x In, ensuring rapid disconnection in the event of short circuits, protecting both equipment and wiring.
- Protection Type: Line protection TM220 with ATFM (Automatic Trip Function Management) ensures reliable performance and system integrity.
- Connection Type: Terminal connection, providing secure connections for safe and efficient wiring.
Compliance & Product Lifecycle:
- Product Lifecycle Management (PLM): PM300 – Active Product, currently available and supported by Siemens.
- EAN: 4042948822173
- UPC: 804766427107
- Commodity Code: 85362010
Summary
The Siemens 3VA1120-5EE46-0AA0 offers robust protection with a 4-pole configuration, ideal for systems requiring a high breaking capacity of 55 kA. With flexible overload protection and fixed short-circuit protection, it is engineered to enhance safety and performance in various electrical installations.
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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