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3WA1225-3AB02-0AA0
Air Circuit Breaker 3WA1, FS 2, ETU300, 3 pole fixed
- Stock status:
- Call for availability
- Manufacturer:
- Siemens
- Product code:
- 3WA1225-3AB02-0AA0
Main documents
- Product datasheet
- Instruction sheet
- Catalogue
Related products
| Product | |
| Article Number (Market Facing Number) | 3WA1225-3AB02-0AA0 |
| Product Description | Fixed-mounted circuit breaker IEC 60947-2, frame size 2, 3-poles, In=2500A up to 690V AC 50/60Hz, breaking capacity S Icu=66/50kA 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, 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
3WA1225-3AB02-0AA0
The 3WA1225-3AB02-0AA0 is a high-performance fixed-mounted circuit breaker designed for demanding industrial and commercial power distribution applications. Built in compliance with IEC 60947-2, it ensures reliable protection for systems up to 2500 A and a voltage rating of 690 V AC.
Key Features and Specifications:
- Number: 3WA1225-3AB02-0AA0
- Type: Fixed-mounted circuit breaker.
- Frame Size: 2.
- Poles: 3-pole configuration.
- Rated Current (In): 2500 A.
- Voltage Rating: Up to 690 V AC, 50/60 Hz.
Breaking Capacity (Icu):
- 66 kA at 500 V.
- 50 kA at 690 V.
Features and Functionalities
Trip Unit:
- Equipped with ETU300 LSI Trip Unit, designed for standard applications.
Offers protection modes including:
- LT (Long Time).
- ST (Short Time).
- INST (Instantaneous).
- Supports N-protection but requires an external N-sensor.
Connection and Mounting:
- Fixed-mounted design for permanent installations.
- Features a rear horizontal connection for streamlined system integration.
Operating Mechanism:
- Includes a manual operating mechanism with mechanical closing.
- Does not include a spring charging motor.
Alarm and Auxiliary Features:
- Includes a trip alarm switch (1xCO) for fault notifications
- Provides 2NO + 2NC auxiliary switches.
- Features a Ready-to-close signal switch.
Does not include:
- Communication and metering functionalities.
- Closing coil (CC).
- Remote trip alarm reset coil (RR).
- First and second shunt trips.
Additional Product Information
- Product Family: Part of the 3WA1 Air Circuit Breakers series, designed for systems up to 6300 A.
- Product Lifecycle: Active (PLM Code: PM300).
- Commodity Code: 85362090.
- Catalog ID: LV10.
- Group Code: P360.
Applications
This fixed-mounted circuit breaker is suitable for:
- Industrial and commercial power distribution systems requiring permanent installation.
- Environments with high fault currents, up to 66 kA, ensuring robust protection.
- Systems needing efficient and straightforward operation via manual mechanisms.
Summary
The 3WA1225-3AB02-0AA0 delivers reliable performance, safety, and durability for high-demand power 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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