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3WL1106-2BB32-1AA2
Air circuit breaker SENTRON WL, fixed-mounted version, size I
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3WL1106-2BB32-1AA2
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number | 3WL1106-2BB32-1AA2 |
| Product Description | fixed-mounted circuit breaker 3-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 | 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
3WL1106-2BB32-1AA2
The 3WL1106-2BB32-1AA2 is a fixed-mounted air circuit breaker designed for reliable protection and power distribution. It complies with IEC standards and is engineered for applications requiring adjustable overcurrent protection with manual operation.
Key Features and Specifications
- Type: Fixed-mounted air circuit breaker
- Poles: 3-pole.
- Frame Size: Size I.
- Rated Current (In): 630A.
- Rated Voltage: Up to 690V AC, 50/60Hz.
- Breaking Capacity (Icu): 55kA at 500V.
- Connection Type: Rear connection, horizontal.
- Overcurrent Release Unit: ETU 15 LI, providing adjustable protection between 0.5 to 1 x In.
Mechanical Features:
- Operating Mechanism: Manual operation with stored energy mechanism.
- Mechanical Request Signal: Included.
Auxiliary Releases:
- No 1st auxiliary release.
- No 2nd auxiliary release.
- Auxiliary Switches: 2NO+2NC for monitoring and integration into control systems.
Product Details:
- Product Family: 3-pole.
- Product Lifecycle: PM400 – Phase-out started since October 1, 2023.
- Commodity Code: 85362090.
- Catalog ID: LV10.1.
- Product Group: 3745.
- Group Code: P360.
Features and Benefits:
Compact Fixed-Mounted Design:
- Space-saving installation with a rear horizontal connection configuration.
ETU 15 LI Protection Unit:
- Adjustable long-time (LI) protection ranging from 0.5 to 1 x In
- Ensures precise overcurrent detection and tripping.
Manual Operating Mechanism with Storage:
- Stored energy operation for quick and efficient mechanical closing.
Enhanced Monitoring with Auxiliary Switches:
- Equipped with 2NO+2NC auxiliary contacts for monitoring breaker status.
High Breaking Capacity:
- Handles fault currents up to 55kA at 500V, ensuring system safety during short circuits.
Applications:
Power Distribution Systems:
- Ideal for protecting medium-scale power distribution networks.
Industrial and Commercial Installations:
- Reliable performance in factories, plants, and large facilities.
Control and Monitoring Panels:
- Integration into systems requiring auxiliary signaling and manual operation.
Summary:
The Siemens 3WL1106-2BB32-1AA2 fixed-mounted air circuit breaker delivers dependable protection with adjustable overcurrent settings. With a compact 3-pole design, high breaking capacity, and manual operating mechanism, it is suitable for industrial and commercial power systems requiring efficient and flexible performance. This product is currently in its phase-out lifecycle since October 2023.
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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