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3WA1110-2AB12-0AA0
Air Circuit Breaker 3WA1, FS 1, ETU300, 4P N left side fixed
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3WA1110-2AB12-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3WA1110-2AB12-0AA0 |
| Product Description | Fixed-mounted circuit breaker IEC 60947-2, frame size 1, 4-poles, N-pole left, In=1000A up to 690V AC 50/60Hz, breaking capacity N Icu=55/42kA at 500/690V, Trip unit ETU300 LSI optimized for standard applica- tions, without display Protection LT, ST, INST, include N-protection, (internal N-sensor available), incl. trip alarm switch (1xCO), rear connection horizontal, without Com & metering function Manual operating mechanism with mechanical closing, without Spring charging motor, Ready-to-close signal. switch, Auxiliary switches 2NO+2NC, without Closing coil (CC), manual operating mechanism with mechanical closing, without Remote trip alarm reset coil (RR), without 2nd shunt trip, without 1st Shunt trip |
| Product family | 3WA1 Air Circuit Breakers/Non-Aut. Air Circ. Br. up to 6300 A (AC), IEC |
| Product Lifecycle (PLM) | PM300:Active Product |
| Price data | |
| Price Group / Headquarter Price Group | Z] / 1CE |
| List Price | Show prices |
| Customer Unit Price | Show prices |
| Metal Factor | LAO—– |
| Additional Product Information | ||
| EAN | Not available | |
| UPC | Not available | |
| Commodity Code | 85362090 | |
| LKZ_FDB/ CatalogID | LV10 | |
| Product Group | X01C | |
| Group Code | P360 | |
| Country of origin | Czech Republic | |
| RoHS Conformity Date | Since: 9999.12.31 | |
| Product class | B: return restricted, please contact your Siemens partner/contact | |
| 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
3WA1110-2AB12-0AA0
The Siemens 3WA1110-2AB12-0AA0 is a robust fixed-mounted circuit breaker designed to meet high standards of industrial circuit protection. It is part of Siemens’ 3WA1 Air Circuit Breakers family, in compliance with IEC 60947-2, and is tailored for standard applications where reliable operation and enhanced protection are critical.
Key Features and Specifications:
- Number: 3WA1110-2AB12-0AA0
- Frame Size: 1
- Poles: 4-pole configuration with N-pole on the left
- Rated Current (In): 1000 A
- Voltage Range: Up to 690 V AC (50/60 Hz)
Breaking Capacity:
- Icu: 55 kA at 500 V
- Icu: 42 kA at 690 V
- Trip Unit: ETU300 LSI, optimized for standard applications, with long-time (LT), short-time (ST), and instantaneous (INST) protection
- N-Protection: Includes an internal N-sensor for neutral protection
Functional Features:
- Fixed-Mounted Configuration:
- Designed for fixed installations with a rear horizontal connection to simplify installation and maintenance
Trip and Alarm:
- Equipped with a trip alarm switch (1 x CO) for fault indication
- Excludes communication and metering functions, making it suitable for applications focused on primary protection
Manual Operating Mechanism:
- Operated manually with a mechanical closing mechanism, providing control in environments requiring hands-on operation
- Excludes a spring charging motor and closing coil (CC) for a simpler operation
Auxiliary Features:
- Includes 2NO and 2NC auxiliary switches to support additional circuit control and indication needs
- Ready-to-close signal switch provided to show operational readiness
Additional Product Information:
- Product Family: 3WA1 Air Circuit Breakers, suitable for non-automated air circuit applications up to 6300 A (AC), IEC compliant
- Product Lifecycle (PLM): Active
- Commodity Code: 85362090
- Catalog ID: LV10, Group Code: P360
Summary
The Siemens 3WA1110-2AB12-0AA0 circuit breaker is an excellent choice for installations requiring a high-current, fixed-mounted circuit breaker with essential protection features and durability. It is suitable for a variety of industrial settings that need dependable protection against overloads and short circuits, and it provides a straightforward, manually-operated solution for power systems up to 1000 A.
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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