
MG1A-200 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $69.99 | Condition is Used, Motor Guard MG1A-200 3 Phase Motor Protector, shipping cost = $8.18 | 100.0% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $139.99 | Condition is New – Open box, Amprobe Motor Guard MG1A-200 3 Phase Motor Protector 208-240V MotorGuard NOS, shipping cost = $9.58 | 100.0% |

Motor Guard MG1A-200 Phase Protector - Robust Solution for Safeguarding Three-Phase Motors
The Motor Guard MG1A-200 Phase Protector is a high-performance electrical protective device designed to ensure the reliable operation of three-phase motors by providing comprehensive phase protection. This advanced protector is engineered to safeguard motors against various electrical faults, including phase failure, single-phasing, and overvoltage.
Design and Construction:The Motor Guard MG1A-200 Phase Protector is meticulously crafted using premium quality materials and advanced engineering techniques. Its robust and compact design makes it an ideal solution for a wide range of industrial applications. The protector is housed in a durable, weather-resistant enclosure, ensuring its longevity in harsh environments.
Functionality and Protection:The MG1A-200 Phase Protector is a contactless protector, meaning it does not make physical contact with the motor windings. Instead, it uses advanced sensing technology to monitor the motor's electrical parameters and detect any anomalies. In the event of a detected fault, the protector will instantly disconnect the motor from the power source to prevent damage.
Key Features:1. Three-phase protection: The MG1A-200 Phase Protector offers comprehensive protection for three-phase motors against phase failure, single-phasing, and overvoltage.
2. Contactless design: The contactless design ensures minimal wear and tear, ensuring a longer lifespan for the protector.
3. Fault detection and isolation: The protector can quickly and accurately detect and isolate electrical faults, reducing downtime and maintenance costs.
4. Wide operating voltage range: The MG1A-200 Phase Protector can operate in a wide voltage range, making it suitable for various industrial applications.
5. Easy installation: The protector can be easily installed in parallel with the motor starter, requiring minimal wiring and setup.
In conclusion, the Motor Guard MG1A-200 Phase Protector is an essential component for ensuring the reliable operation and longevity of three-phase motors in industrial applications. Its advanced protection features, contactless design, and easy installation make it an indispensable tool for any maintenance team.
Pros and Cons of Buying a Motor Guard MG1A-200 Phase Protector
The Motor Guard MG1A-200 is a phase protector designed to prevent motor damage caused by power surges or electrical faults. Here are some potential advantages and disadvantages of investing in this device.
Pros:1. Protection against power surges: The MG1A-200 phase protector is designed to shield your motor from power surges and electrical transients, which can significantly prolong its lifespan and reduce the need for costly repairs or replacements.
2. Easy installation: The device is relatively easy to install, and it can be mounted directly onto the motor's electrical box or a nearby wall. This straightforward installation process can save you time and money on professional installation fees.
3. Adjustable settings: The MG1A-200 comes with adjustable settings, allowing you to customize the level of protection based on your specific motor needs. This versatility can help ensure optimal performance and protection for your motor.
4. Multifunctional: The phase protector not only guards against power surges but also offers short-circuit protection and overload protection. This comprehensive protection can provide peace of mind and protect your investment.
Cons:1. Upfront cost: The Motor Guard MG1A-200 phase protector may require an initial investment, which could be a deterrent for some. However, considering the potential savings from reduced motor damage and repairs, the long-term cost-effectiveness of the device should be considered.
2. Size and weight: The device may be larger and heavier than some other phase protectors, which could impact installation and transportation. Ensure you have the necessary space and resources to accommodate the MG1A-200.
3. Limited compatibility: The MG1A-200 is designed primarily for motors with a 200 ampere rating. If your motor has a different amperage rating, you may need to consider alternative phase protectors.
Conclusion:The Motor Guard MG1A-200 phase protector offers several advantages, including surge protection, easy installation, adjustable settings, and multifunctionality. However, it also presents some potential disadvantages, such as an upfront cost, size, weight, and limited compatibility. Ultimately, the decision to invest in the MG1A-200 will depend on your specific motor needs, budget, and installation constraints. If you have a 200 ampere motor and are looking for comprehensive protection against power surges and electrical faults, the MG1A-200 could be an excellent investment.
Details:
Regardless of the origin equipment, documentation provided or identification appearing upon equipment described and offered here is in no way certified for, recommended for any specific use. Pulled by our service techs. Take a close look at the photo. Used working tested.
I can ship item next day air Incas emergency please reach out and message before purchase if so. Circuit board was still fully operational and functional. Motor Guard MG1A-200 3 phase protector. Unfortunately, do to our high volume, mistakes sometimes occur.
I will work with you if item isn as exactly described in listing or the same photos.
specifications indumotorol:
- brand: Motor Guard
- mpn: Mg1a-200
- part type: Protector Motor
- custom bundle: No
- location: Location
returns indumotorol:
- time: 14 days
- policy: returns accepted
- paid by: buyer
- method: money back
payments indumotorol:
- wallet: paypal
- other
- credit card: visa
shipping indumotorol:
- class: standard
- type: calculated
- carrier: usps
- service: usps ground advantage
- transit: 4-7 days
offer indumotorol:
- prices: $69.99–$139.99
- item condition:
- Used
- New – Open box
- sold #: 10
- options: ship-to-home
- availability: in stock
- in stock #: 2
- started: february 6, 2026
- best offers: true
general indumotorol:
- category: Business & Industrial > Starters > Drives > Motor Controls
seller indumotorol:
- # reviews: 1163
- city: livonia, michigan
- rating: 100.0%

