Product Catalogue
Download Product Catalogue
100% Genuine Products
Supplier of industrial electrical products
1 year warranty
The products have a warranty
3VA1125-4EF46-0AA0
circuit breaker 3VA1 IEC Frame 160 breaking capacity class S Icu=36 kA @ 415 V 4-pole, line protection TM240, ATAM, In=25 A overload protection Ir=18 A…25 A short-circuit protection Ii=6.4…12.8 x In N conductor unprotected terminal connection
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3VA1125-4EF46-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3VA1125-4EF46-0AA0 |
| Product Description | |
| Product family | 3VA Molded Case Circuit Breakers up to 1600 A, IEC |
| Product Lifecycle (PLM) | Active Product |
| Price data | |
| Region Specific PriceGroup / Headquarter Price Group | / 1CB |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| Metal Factor | LOA—– |
| Additional Product Information | ||
| EAN | 4042948820810 | |
| UPC | 804766426537 | |
| 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 | 9332e98f-7af9-4add-b523-edb07bba7b51 | |
Product Description
The Siemens 3VA1125-4EF46-0AA0 is a 4-pole Molded Case Circuit Breaker (MCCB) from the 3VA1 IEC Frame 160 series. Designed for line protection, it offers comprehensive overload and short-circuit protection for industrial and commercial low-voltage installations. With a breaking capacity class S of 36 kA at 415 V, it ensures reliable performance under high fault current conditions.
Key Features and Specifications:
- Rated Current (In): 25 A
- Overload Protection (Ir): 18–25 A
- Short-Circuit Protection (Ii): 6.4–12.8 × In
- Poles: 4
- Breaking Capacity (Icu): 36 kA @ 415 V
- Frame: 3VA1 IEC 160
- Line Protection: TM240, ATAM
- Terminal Connection: N conductor unprotected
- Product Type: Molded Case Circuit Breaker
Technical Data:
- Number: 3VA1125-4EF46-0AA0
- EAN: 4042948820810
- UPC: 804766426537
- Commodity Code: 85362010
- Catalog Reference: LV10.1
- Product Group: 5375
- Group Code: P360
- Lifecycle Status: Active Product
- Country of Origin: Czech Republic
- Product Class: C (made-to-order, cannot be returned)
- Product Family: 3VA Molded Case Circuit Breakers up to 1600 A, IEC
Applications:
- Protection of industrial and commercial low-voltage distribution circuits
- Suitable for installations requiring both line and overload protection
- Ideal for circuits with high fault currents and moderate inrush conditions
- Ensures reliable safety and operational continuity in demanding environments
Summary
The Siemens 3VA1125-4EF46-0AA0 Molded Case Circuit Breaker provides high-capacity protection for industrial and commercial low-voltage systems. With a 25 A rating, 4-pole design, and 36 kA breaking capacity, it effectively safeguards circuits against overloads and short circuits. Its line protection and advanced thermal-magnetic tripping features make it a dependable solution for modern electrical networks requiring both robustness and precise protection.
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.
Reviews
There are no reviews yet.