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3VA1163-5EF46-0AA0
circuit breaker 3VA1 IEC Frame 160 breaking capacity class M Icu=55 kA @ 415 V 4-pole, line protection TM240, ATAM, In=63 A overload protection Ir=44 A…63 A short-circuit protection Ii=5…10 x In N conductor unprotected terminal connection
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3VA1163-5EF46-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1163-5EF46-0AA0 |
| Product Description | circuit breaker 3VA1 IEC Frame 160 breaking capacity class M Icu=55 kA @ 415 V 4-pole, line protection TM240, ATAM, In=63 A overload protection Ir=44 A…63 A short-circuit protection Ii=5…10 x In N conductor unprotected 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 / 53J |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | LOA—– |
| Additional Product Information | ||
| EAN | 4042948820988 | |
| UPC | 804766423666 | |
| 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 | 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 | 7cbc8bff-f0f9-49cd-9434-98b03fdab664 | |
Product Description
The Siemens 3VA1163-5EF46-0AA0 is a 4-pole Molded Case Circuit Breaker (MCCB) from the 3VA1 IEC series, designed for dependable power distribution and protection in industrial and commercial electrical installations. This breaker features a Frame 160 size with a breaking capacity class M (Icu = 55 kA @ 415 V), ensuring robust performance even under high fault conditions.
Equipped with a TM240 thermal-magnetic trip unit (ATAM line protection), it provides adjustable overload protection (Ir = 44–63 A) and short-circuit protection adjustable between 5–10 × In. The N conductor is unprotected, and the device includes standard terminal connections for secure and convenient installation.
Key Features and Specifications:
- Number: 3VA1163-5EF46-0AA0
- Series: 3VA1 IEC
- Frame Size: 160
- Poles: 4 (with N conductor unprotected)
- Rated Current (In): 63 A
- Rated Operational Voltage (Ue): 415 V AC
- Breaking Capacity (Icu): 55 kA @ 415 V (Class M)
- Trip Unit: TM240 (ATAM line protection)
- Overload Protection (Ir): Adjustable 44–63 A
- Short-Circuit Protection (Ii): Adjustable 5–10 × In
- Terminal Connection: Standard terminal connection
Technical Data:
- Number: 3VA1163-5EF46-0AA0
- EAN: 4042948820988
- UPC: 804766423666
- Commodity Code: 85362010
- Catalog ID: LV10.1
- Product Group: 5375
- Group Code: P360
- Lifecycle Status: Active Product
- Product Family: 3VA Molded Case Circuit Breakers up to 1600 A (IEC)
- Country of Origin: Czech Republic
- Product Class: C (manufactured to order, not returnable or reusable)
Applications:
- Industrial and commercial low-voltage distribution systems
- Main and sub-distribution panels
- Protection of cables, feeders, and electrical loads
- Reliable disconnection under overload and short-circuit conditions
Summary
The Siemens 3VA1163-5EF46-0AA0 MCCB delivers high-performance circuit protection for 4-pole systems with N conductor unprotected configuration. Featuring a TM240 trip unit, it ensures adjustable thermal and magnetic protection suitable for a variety of load conditions. With a 55 kA breaking capacity, this breaker offers dependable operation, safety, and compliance with IEC standards — making it ideal for demanding industrial and commercial applications where reliability and flexibility are essential.
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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