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3WA1120-3AA02-0AA0

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Air Circuit Breaker 3WA1, FS 1, -, 3 pole fixed

Main documents

Product
Article Number3WA1120-3AA02-0AA0
Product DescriptionNon-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 family3WA1 Air Circuit Breakers/Non-Aut. Air Circ. Br. up to 6300 A (AC), IEC
Product Lifecycle (PLM)PM300:Active Product
Price data
Price Group12O
List PriceShow prices
Customer PriceShow prices
Surcharge for Raw Materialsee also metal factor (further details are available on the help page)
Metal FactorLAO—–

 

Additional Product Information
EANNot available
UPCNot available
Commodity Code85362090
LKZ_FDB/ CatalogIDLV10
Product GroupX01C
Group CodeP360
Country of originCzech Republic
Compliance with the substance restrictions according to RoHS directiveSince: 10.07.2019
Product classB: return restricted, please contact your Siemens partner/contact
WEEE (2012/19/EU) Take-Back ObligationNo
REACH Art. 33 Duty to inform according to the current list of candidates
SCIP numberNot available
Product Description

Siemens Air Circuit Breakers

Frequently Asked Questions

✅ 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.

✅ 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.

✅ 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.

✅ 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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