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3WL1106-2CB38-1AA2
Air circuit breaker SENTRON WL, fixed-mounted version, size I
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3WL1106-2CB38-1AA2
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number | 3WL1106-2CB38-1AA2 |
| Product Description | withdrawable circuit breaker with guide frame 3-pole, size I, IEC In=630A to 690V, AC50/60Hz Icu=55kA at 500V w. connection flange Overcurrent release ETU 25 LSI protection adjustable 0.4-1 in With manual operating mechanism with storage with mechanical request without 1st auxiliary release without 2nd auxiliary release 2NO+2NC |
| Product family | 3-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
3WL1106-2CB38-1AA2
The 3WL1106-2CB38-1AA2 is a withdrawable air circuit breaker with a guide frame and connection flange. This 3-pole circuit breaker is specifically designed to provide reliable protection and easy maintenance in industrial power distribution systems, ensuring high performance and safety.
Key Features and Specification
- Type: Withdrawable air circuit breaker with guide frame and connection flange.
- Poles: 3-pole configuration.
- 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.
- Overcurrent Release: ETU 25 LSI with adjustable protection range of 0.4 to 1 x In**.
Operating Mechanism:
- Type: Manual operating mechanism with storage for reliable operation.
- Mechanical Request: Integrated for enhanced manual functionality.
Additional Features:
- Connection: Includes a connection flange for easier and more secure installations.
Auxiliary Releases:
- 1st Auxiliary Release: Not included.
- 2nd Auxiliary Release: Not included.
- Auxiliary Contacts: 2NO+2NC configuration for system monitoring and control.
Product Lifecycle:
- Lifecycle Status: PM400 – Phase-out started as of October 1, 2023.
- Replacement Recommendation: Transition to the Siemens 3WA series for continued support and enhanced functionality.
Product Details:
- Product Family: 3-pole.
- Commodity Code: 85362090.
- Catalog ID: LV10.1.
- Product Group: 3745.
- Group Code: P360.
Features and Benefits:
Withdrawable Design with Connection Flange:
- Allows for quick installation and easy removal for maintenance tasks, improving system uptime.
Advanced Overcurrent Protection:
- Equipped with ETU 25 LSI, offering precise, adjustable protection settings suitable for various applications.
High Breaking Capacity:
- Rated for fault currents up to 55kA at 500V, ensuring reliable operation in challenging conditions.
Auxiliary Contact Configuration:
- Includes 2NO+2NC auxiliary contacts for versatile integration into control systems.
Applications:
Industrial Power Distribution:
- Suitable for use in factories, power plants, and large-scale facilities requiring high-performance circuit breakers.
Maintenance-Friendly Systems:
- The withdrawable feature simplifies routine inspections and component replacements.
Summary:
The Siemens 3WL1106-2CB38-1AA2 withdrawable circuit breaker with a connection flange is a robust and flexible solution for industrial power systems. Its adjustable ETU 25 LSI protection, high breaking capacity, and withdrawable design make it ideal for critical applications. As this model is being phased out, Siemens recommends transitioning to the 3WA series for improved performance and future-proof 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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