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3WA1120-3AA02-0AA0
Air Circuit Breaker 3WA1, FS 1, -, 3 pole fixed
- Stock status:
- In stock
- Manufacturer:
- Siemens
- Product code:
- 3WA1120-3AA02-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Product | |
Article Number | 3WA1120-3AA02-0AA0 |
Product Description | Non-automatic circuit breaker Fixed-mounted version, IEC 60947-2, frame size 1, 3-poles, In=2000A up to 690V AC 50/60Hz, breaking capacity S Icc=66/50kA at 500/690V, without electr. trip unit ETU, 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 | 12O |
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 | |
Product Group | X01C | |
Group Code | P360 | |
Country of origin | Czech Republic | |
Compliance with the substance restrictions according to RoHS directive | Since: 10.07.2019 | |
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
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.
3WA1120-3AA02-0AA0
The Siemens 3WA1120-3AA02-0AA0 is a fixed-mounted, non-automatic circuit breaker designed for high-current applications requiring reliability and simplicity in power management. Built to meet IEC 60947-2 standards, it is ideal for demanding environments requiring robust and effective circuit protection.
Key Features and Specifications:
- Number: 3WA1120-3AA02-0AA0
- Circuit Breaker Type: Non-automatic.
- Mounting Type: Fixed-mounted.
- Frame Size: 1.
- Poles: 3-pole design.
- Rated Current (In): 2000 A.
- Voltage Rating: Operates up to 690 V AC, 50/60 Hz.
Breaking Capacity (Icc):
- 66 kA at 500 V.
- 50 kA at 690 V.
Features and Functionalities
Trip Unit:
- No electronic trip unit (ETU) included.
- Ideal for manual circuit-breaking operations.
Connections:
- Rear horizontal connection for secure and flexible installation.
Manual Operating Mechanism:
- Features a mechanical manual closing mechanism.
Does not include:
- Spring charging motor.
- Closing coil (CC).
- Remote trip alarm reset coil (RR).
- Shunt trips.
Auxiliary Switches:
- Equipped with 2NO + 2NC auxiliary switches for monitoring and control.
Signaling and Communication:
- Does not include communication or metering functions.
Additional Features:
- Includes a ready-to-close signal switch.
Additional Product Information
Product Family:
- Part of the 3WA1 Air Circuit Breakers series, supporting up to 6300 A (AC).
- Complies with IEC standards.
- Product Lifecycle: Active (PLM Code: PM300).
- Commodity Code: 85362090.
- Catalog ID: LV10.
- Group Code: P360.
Applications
The 3WA1120-3AA02-0AA0 is designed for:
- High-current systems requiring manual operation for protection or control.
- Industrial applications where automation is not required but high breaking capacity is critical.
- Systems with rear horizontal connections for compact installations.
This circuit breaker delivers a balance of performance, durability, and cost-efficiency, making it a reliable choice for non-automatic power management in diverse environments.
Frequently Asked Questions
What is the Range of Siemens Air Circuit Breakers (ACB)?
✅ Siemens Air Circuit Breakers (ACBs) are essential components for protection in low-voltage systems (LV) with advanced features for high breaking capacities. The Siemens ACB product lines, including the 3WL and 3WT series, are designed to meet a wide range of industrial needs.
Voltage Range: Siemens ACBs support systems with voltages up to 690V.
Current Rating: They are available with current ratings from 630 A up to 6300 A, accommodating various applications.
Key Features: Siemens ACBs offer exceptional performance with multiple breaking capacities and intelligent monitoring capabilities, making them reliable choices for demanding environments.
This flexibility in ratings and series options ensures Siemens ACBs are suitable for diverse low-voltage protection applications.
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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