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3WL1106-2BB46-1AA2
Air circuit breaker SENTRON WL, fixed-mounted version, size I
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- 3WL1106-2BB46-1AA2
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number | 3WL1106-2BB46-1AA2 |
| Product Description | withdrawable circuit breaker with guide frame 4-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V rear connection horizontal Overcurrent release ETU 15 LI protection adjustable 0.5-1 in With manual operating mechanism with storage with mechanical request without 1st auxiliary release without 2nd auxiliary release 2NO+2NC |
| Product family | 4-pole |
| Product Lifecycle (PLM) | PM400:Phase Out Started |
| PLM Effective Date | Product phase-out since: 01.10.2023 |
| Notes | Successor hint: Successor portfolio 3WA; more information via www.siemens.com/3WA |
| Price data | |
| Price Group | 12M |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Material | see also metal factor (further details are available on the help page) |
| Metal Factor | LAO—– |
| Additional Product Information | ||
| EAN | Not available | |
| UPC | Not available | |
| Commodity Code | 85362090 | |
| LKZ_FDB/ CatalogID | LV10.1 | |
| Product Group | 3745 | |
| Group Code | P360 | |
| Country of origin | Czech Republic | |
| Compliance with the substance restrictions according to RoHS directive | Given | |
| 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 | No | |
| REACH Art. 33 Duty to inform according to the current list of candidates | ||
| SCIP number | Not available | |
Product Description
Siemens
Siemens, a global leader in the electrical and industrial automation sectors, is renowned for its high-quality products and solutions, ranging from electrical equipment and automation systems to energy management and telecommunications technologies.
With a strong focus on innovation, Siemens provides cutting-edge solutions that enhance operational efficiency, sustainability, and productivity across various industries. From advanced circuit breakers and switchgear to smart grid solutions, Siemens continues to shape the future of technology, delivering reliable and energy-efficient products that meet the evolving needs of businesses and industries worldwide.
Siemens air circuit breakers, especially the SENTRON 3WA series, are advanced solutions for power distribution in industrial and infrastructure applications. These circuit breakers are essential for maintaining the reliability and safety of electrical systems, particularly as automation and strict regulatory standards become more prominent.
The SENTRON 3WA air circuit breakers are known for their fail-safe performance in complex environments, ensuring continuous power and protecting against overloads, short circuits, and other potential faults. They are engineered to be flexible and adaptable, allowing for integration into diverse system setups. With intuitive features and straightforward customization options, the SENTRON 3WA breakers simplify installation and operation, making it easier for engineers and facility managers to achieve their power management goals.
SENTRON 3WA
Siemens’ SENTRON 3WA air circuit breakers are designed to meet the growing demands of modern power distribution, providing safety and reliability in increasingly automated environments. As power distribution systems need to comply with stricter standards, the SENTRON 3WA offers a solution that is not only robust but also flexible, allowing for easy customization to suit different infrastructure needs.
This breaker line is engineered to ensure fail-safe operation, helping manufacturers and operators achieve optimal results while maintaining system integrity. With SENTRON 3WA, Siemens aims to simplify complex power distribution challenges, making it easier for users to meet their specific objectives.
3WL1106-2BB46-1AA2
The 3WL1106-2BB46-1AA2 is a withdrawable air circuit breaker with a 4-pole configuration, designed to provide efficient and reliable protection for industrial power systems. As part of Siemens’ 3WL series, this model offers flexibility, robust performance, and advanced overcurrent protection.
Key Features and Specification
- Type: Withdrawable air circuit breaker with guide frame.
- Poles: 4-pole configuration for comprehensive system protection.
- Frame Size: Size I.
- Rated Current (In): 630A at up to 690V.
- Rated Voltage: Up to 690V AC, 50/60Hz.
- Breaking Capacity (Icu): 55kA at 500V.
- Connection Type: Rear connection, horizontal.
- Overcurrent Release: ETU 15 LI with adjustable protection range of 0.5 to 1 x In.
Operating Mechanism:
- Type: Manual operating mechanism with a storage feature for enhanced reliability.
- Mechanical Request: Designed to support mechanical interlock functionality.
Additional Features:
Auxiliary Releases:
- 1st Auxiliary Release: Not included.
- 2nd Auxiliary Release: Not included.
- Auxiliary Contacts: 2NO+2NC for integration with control and monitoring systems.
Product Details:
- Product Family: 4-pole.
- Commodity Code: 85362090.
- Catalog ID: LV10.1.
- Product Group: 3745.
- Group Code: P360.
Features and Benefits:
Withdrawable Design with Guide Frame:
- Allows for easy installation, maintenance, and replacement in power distribution systems.
Adjustable Overcurrent Protection:
- The ETU 15 LI module provides customizable protection ranging from 0.5 to 1 x In, ensuring compatibility with diverse applications.
High Breaking Capacity:
- Capable of handling fault currents up to 55kA at 500V, delivering reliable protection against short circuits and overloads.
Auxiliary Contact Integration:
- Equipped with 2NO+2NC auxiliary contacts, enhancing system monitoring and control capabilities.
Manual Operating Mechanism:
- Ensures dependable operation with a storage mechanism for manual operation.
Applications:
Industrial Power Distribution:
- Designed to protect and manage three-phase systems with a neutral pole in industrial facilities.
Withdrawable Applications:
- Ideal for systems requiring easy access for maintenance and operational flexibility.
Summary:
The Siemens 3WL1106-2BB46-1AA2 is a versatile and efficient solution for protecting industrial power distribution systems. Its 4-pole configuration, withdrawable design, and ETU 15 LI overcurrent release ensure optimal performance and ease of use. As this model has entered the phase-out stage, Siemens recommends upgrading to the 3WA series for improved features and continued support.
Frequently Asked Questions
Which is Better: ACB or MCCB?
✅ Current Rating: ACBs are designed for higher current ratings than MCCBs, making them ideal for circuits with larger current demands.
✅ Adjustable Tripping: MCCBs offer adjustable tripping thresholds, which makes them versatile and suitable for a variety of circuit applications. This flexibility can give MCCBs an advantage in systems where different levels of protection are required.
In summary, ACBs are often preferred for high-current circuits, while MCCBs provide flexibility and adaptability in a range of applications. Each type has its strengths depending on the specific needs of the electrical system.
When Should You Use an ACB (Air Circuit Breaker)?
✅ Air Circuit Breakers (ACBs) are ideal for high-voltage applications, such as substations and power transmission systems, where they offer dependable protection by effectively interrupting heavy fault currents. Their robust design makes them a top choice for safeguarding critical electrical systems that require high fault-clearing capabilities.
What is the Purpose of a WL Circuit Breaker?
✅ The Siemens WL power circuit breaker is designed for low-voltage switchgear and switchboard applications, offering essential protection against short circuits and faults to prevent electrical damage or fire hazards. Commonly used as incoming-feeder, coupler, and outgoing-feeder circuit breakers, WL circuit breakers serve a wide range of applications in industrial, commercial, and infrastructure settings. They are a reliable choice for ensuring the safety and efficiency of electrical installations.
Are Siemens WL Circuit Breakers 100% Rated?
✅ Yes, Siemens WL circuit breakers are 100% rated, meaning they are designed for continuous operation at their full current rating without requiring external heat sinks. These breakers are engineered to meet the rigorous demands of standard industrial and commercial applications, ensuring reliable performance and protection for continuous, high-current usage.
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