
M123A01 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $129.99 | Top Pick! Condition is New – Open box, SCHNEIDER ELECTRIC SMARTX ACTUATOR M123A01 2 WAY 1/2 NPT BRASS VALVE VBB2N04, FREE SHIPPING | 100.0% |
![]() | $206.22 | Condition is New – Open box, SCHNEIDER ELECTRIC M123A01 / M123A01 (NEW IN BOX), shipping cost = $12.90 | 99.7% |
![]() | $212.49 | Condition is New – Open box, SCHNEIDER ELECTRIC M123A01 / M123A01 (NEW IN BOX), shipping cost = $36.36 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $143.65 | Top Pick! Condition is New, SCHNEIDER ELECTRIC M123A0 SmartX Actuator, 2 WAY 1/2 NPT BRASS VALVE - NMP, shipping cost = $15.22 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $12.50 | Condition is Used, SCHNEIDER ELECTRIC SMARTX ACTUATOR M123A01 - NG D2E, shipping cost = $8.75 | 98.6% |
![]() | $167.04 | Condition is Used, SCHNEIDER ELECTRIC M123A01 / M123A01 (USED), shipping cost = $12.90 | 99.7% |

The Schneider Electric M123-A01 is a versatile and reliable single-phase air conditioning contactor designed for use in various HVAC applications. This contactor, manufactured by Schneider Electric, is an essential component for controlling the compressor in your air conditioning system.
The M123-A01 contactor features a compact and robust design, making it suitable for installation in confined spaces. It is built with high-quality materials, including a silver-plated contact surface, ensuring reliable and long-lasting performance. The contactor's silver-plated contacts provide excellent conductivity, reducing electrical resistance and ensuring efficient power transfer.
This contactor comes with a current rating of 15 A at 230 V, making it suitable for small to medium-sized air conditioning systems. It has a thermal rating of 75 A at 250 V, which ensures safe operation even during heavy loads. The M123-A01 also has a voltage rating of 230 V, making it suitable for use in standard European single-phase electrical systems.
The contactor has a built-in overload protection function, which helps prevent motor burnout by limiting the current flow to the compressor motor. It also features a short-circuit protection function, which automatically disconnects the contactor from the power source when a short circuit is detected, ensuring the safety of the system and its users.
The M123-A01 contactor is easy to install and operate. It has clear markings on the terminal block, making it easy to identify the correct connection points for the various wires. The contactor also comes with a mounting plate, which simplifies the installation process.
This contactor is designed for use in harsh environments and can operate in temperatures ranging from -25 C to 70 C. It is also resistant to dust and moisture, making it an excellent choice for use in industrial or commercial HVAC applications.
In summary, the Schneider Electric M123-A01 is a high-performance, versatile, and reliable single-phase air conditioning contactor. Its compact design, robust construction, and built-in protection functions make it an ideal choice for a wide range of HVAC applications. With its excellent conductivity, overload protection, and short-circuit protection, the M123-A01 contactor ensures efficient and safe operation of your air conditioning system.
The Schneider Electric M123A01 power circuit breaker is a popular choice for electrical distribution applications due to its advanced features and reliability. Here are some pros and cons that can help in making an informed decision about purchasing this circuit breaker:
Pros:1. High Breaking Capacity: The M123A01 circuit breaker offers a high breaking capacity, making it suitable for applications with high current loads.
2. Advanced Protection: This circuit breaker comes with advanced protection features such as overload protection, short-circuit protection, and earth fault protection, ensuring the safety of the electrical system.
3. Easy Installation: The M123A01 circuit breaker is easy to install, thanks to its compact size and plug-in design. It can be installed in both new and existing electrical systems.
4. Energy Efficiency: The M123A01 circuit breaker is energy efficient, as it reduces energy losses by minimizing the number of interruptions in the electrical circuit.
5. Durable Construction: The circuit breaker is built with high-quality materials and has a robust design, ensuring long-term reliability and durability.
Cons:1. High Initial Cost: The M123A01 circuit breaker has a higher initial cost compared to some other circuit breakers in the market.
2. Complexity: The circuit breaker may be more complex to operate and maintain compared to some simpler models, requiring specialized knowledge and tools.
3. Limited Applications: The M123A01 circuit breaker may not be suitable for all electrical applications, as it is designed for specific voltage and current levels.
Conclusion:The Schneider Electric M123A01 power circuit breaker is a reliable and advanced electrical component that offers numerous benefits, such as high breaking capacity, advanced protection features, easy installation, energy efficiency, and durable construction. However, it comes with a higher initial cost and may be more complex to operate and maintain compared to simpler models. Ultimately, the decision to purchase the M123A01 circuit breaker depends on the specific electrical application requirements, budget, and expertise.
Recommendation:If the electrical application requires a circuit breaker with high breaking capacity, advanced protection features, and energy efficiency, the Schneider Electric M123A01 power circuit breaker is a recommended option. However, it is essential to consider the initial cost, complexity, and compatibility with the electrical system before making a purchase. It is recommended to consult with a professional electrician or Schneider Electric technical expert to ensure the suitability of the circuit breaker for the specific electrical application.
Details:
Part number M123A01. All products are guaranteed to be working but may show signs of use if purchasing a used product. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such.
Packaging and handling: items are safely eds packaged in custom shipping cartons for protection.
specifications maxohvac:
- brand: Tac
- mpn: M123a01
returns maxohvac:
- policy: returns accepted
- time: 30 days
- paid by: buyer
- method: money back
offer maxohvac:
- in stock #: 5
- availability: in stock
- prices: $129.99–$212.49
- item condition:
- New – Open box
- New
- Used
- sold #: 8
- options: ship-to-home
- started: march 16, 2026
payments maxohvac:
- wallet: google-pay
- credit card: discover
- other
shipping maxohvac:
- class: standard
- transit: 29-33 days
- type: fixed
- service: standard
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- # reviews: 194862
- city: 1 millennium dr, willingboro, nj 08046
- rating: 99.6%
Also Viewed:
- VB-324-0-5-4: VALVE, Invensys
- AM-689: , Tac Schneider Invensys
- 007305401: , Schneider Electric
- VB-821X: VALVE ACTUATOR, Schneider Electric
- MNL-V2RV3-2-A: BOX, Tac
- PAC-MKA32BC: BOX, Mitsubishi
- MS4D-8033-100: , Tac
- MPM-GW-CI0-5045: , Tac
- VB-7323-0-4-09: , Tac
- VB-7211-0-3-04: , Tac
- AM-601: , Tac





