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3WL1106-2DG38-1AA2
Air circuit breaker SENTRON WL, fixed-mounted version, size I
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3WL1106-2DG38-1AA2
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number | 3WL1106-2DG38-1AA2 |
| 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 27 LSING protection adjustable 0.4-1 in Ground fault/N protection integrated 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
3WL1106-2DG38-1AA2
The 3WL1106-2DG38-1AA2 is a withdrawable air circuit breaker with a guide frame, designed for safe and reliable power distribution in industrial and commercial applications. Its integrated protection features and robust design make it an excellent choice for demanding environments.
Key Features and Specification
- Type: Withdrawable air circuit breaker with guide frame.
- 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 27 LSING with adjustable protection range 0.4 to 1 x In.
- Ground Fault/Neutral Protection: Integrated for comprehensive safety.
Operating Mechanism:
- Type: Manual operating mechanism with storage for consistent performance.
- Mechanical Request: Included for manual operation.
Additional Features:
- Connection: Equipped with a connection flange for enhanced installation flexibility.
Auxiliary Releases:
- 1st Auxiliary Release: Not included.
- 2nd Auxiliary Release: Not included.
- Auxiliary Contacts: 2NO+2NC configuration for monitoring and integration.
Product Lifecycle:
- Lifecycle Status: PM400 – Phase-out started as of October 1, 2023.
- Replacement Recommendation: Siemens suggests transitioning to the 3WA series for continued support and upgraded features.
Product Details:
- Product Family: 3-pole.
- Commodity Code: 85362090.
- Catalog ID: LV10.1.
- Product Group: 3745.
- Group Code: P360.
Features and Benefits:
Withdrawable Design:
- Facilitates easy maintenance and replacement while maintaining operational security.
Advanced Protection:
- Features ETU 27 LSING for overcurrent protection and integrated ground fault/neutral protection for complete system safety.
High Breaking Capacity:
- Rated for 55kA at 500V, suitable for high-demand industrial environments.
Auxiliary Contact Configuration:
- Includes 2NO+2NC for enhanced control and monitoring.
Applications:
Industrial Power Distribution:
- Suitable for systems requiring high reliability and flexibility in circuit protection.
Enhanced Safety Systems:
- Integrated ground fault and neutral protection cater to sensitive electrical installations.
Maintenance-Oriented Systems:
- Withdrawable setup allows for seamless access during inspections or upgrades.
Summary:
The Siemens 3WL1106-2DG38-1AA2 withdrawable circuit breaker combines robust protection with ease of use. Its ETU 27 LSING overcurrent release, integrated ground fault protection, and durable design make it ideal for industrial and commercial applications. With phase-out in progress, Siemens recommends upgrading to the 3WA series for extended support and advanced features.
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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