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3WA1225-4AB32-0AA0
Air Circuit Breaker 3WA1, FS 2, ETU300, 3 pole Withdrawable versions
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- 3WA1225-4AB32-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
| Product | |
| Article Number (Market Facing Number) | 3WA1225-4AB32-0AA0 |
| Product Description | Withdrawable circuit breaker with guide frame, IEC 60947-2, frame size 2, 3-poles, In=2500A up to 690V AC 50/60Hz, breaking capacity M Icu=85/66kA at 500/690V, Trip unit ETU300 LSI optimized for standard applica- tions, without display Protection LT, ST, INST, N-protection required an external N-sensor, incl. trip alarm switch (1xCO), rear connection horizontal, guide frame with shutter and w/o position signalling switch, 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 | |
| Region Specific PriceGroup / Headquarter Price Group | 12O / 1CE |
| List Price | Show prices |
| Customer Price | Show prices |
| Surcharge for Raw Materials | None |
| 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 | |
| Compliance with the substance restrictions according to RoHS directive | Since: 31.12.9999 | |
| 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
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.
3WA1225-4AB32-0AA0
The 3WA1225-4AB32-0AA0 is a withdrawable circuit breaker with a guide frame designed for industrial and high-performance applications. Below are the key specifications and features:
Key Features and Specifications:
- number: 3WA1225-4AB32-0AA0
- Standard Compliance: IEC 60947-2
- Frame Size: 2
- Poles: 3-pole configuration
- Rated Current (In): 2500A
- Rated Voltage: Up to 690V AC, 50/60Hz
Breaking Capacity (Icu):
- 85kA at 500V
- 66kA at 690V
- Trip Unit: ETU300 LSI (Long-time, Short-time, Instantaneous protection) optimized for standard applications, without display.
Protection and Functionality:
- Protection Features: Long-time, short-time, and instantaneous protection (LT, ST, INST)
- N-protection: Requires an external neutral sensor for functionality.
- Trip Alarm Switch: Includes a trip alarm switch (1xCO).
Mechanical and Connection Features:
- Connection Type: Rear horizontal connection.
- Operating Mechanism: Manual operation with mechanical closing.
- Guide Frame: Includes a shutter and no position signaling switch.
- Auxiliary Switches: 2NO+2NC configuration.
- Spring Charging Motor: Not included.
- Ready-to-Close Signal Switch: Not included.
- Closing Coil (CC): Not included.
- Shunt Trips: Both 1st and 2nd shunt trips are not included.
- Remote Reset Coil (RR): Not included.
Additional Information:
- Product Lifecycle: Active (PLM status: PM300).
- Product Family: 3WA1 Air Circuit Breakers for non-automatic applications up to 6300A (AC).
- Catalog Reference: LV10.
- Commodity Code: 85362090.
This circuit breaker is suitable for a wide range of applications where high reliability and robust protection are required. It combines advanced safety features and a modular design for seamless integration into electrical systems.
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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