
30103B Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $49.99 | Condition is Used, BRYANT 30103B Manual Motor Controller without Overload Protection, FREE SHIPPING | 99.6% |
![]() | $53.14 | Condition is Used, Bryant 30103B Manual Motor Controller without Overload Protection USIP, FREE SHIPPING | 99.8% |
![]() | $75.00 | Condition is Used, Bryant 30103B 3 Phase Manual Motor Controller w/ Out Overload Protection 46868LR, shipping cost = $17.56 | 100.0% |

The Bryant 30103B Manual Motor Controller is a reliable and efficient solution for managing the electrical operation of your HVAC system or other motorized applications. This overload protective device is designed with a manual reset button, making it an ideal choice for installations where frequent resetting is necessary or access to the controller is difficult.
The Bryant 30103B features a USIP (Under Voltage Starting and Protection) function, which provides an extra level of protection against under-voltage conditions that could cause damage to the motor. When the system voltage drops below a certain level, the USIP function will automatically delay the start of the motor to prevent damage.
This motor controller comes with three overload protection settings: 15A, 18A, and 20A. The user can select the appropriate setting based on the motor's design and operating conditions to ensure optimal performance and protection against overcurrent situations. When an overload condition occurs, the controller will automatically trip and require a manual reset to restart the motor.
The Bryant 30103B is constructed with industrial-grade materials, ensuring durability and longevity in demanding environments. The controller's housing is made of heavy-duty thermoplastic, making it resistant to harsh chemicals and moisture. The terminals are made of brass and are plated with silver to provide excellent electrical conductivity and corrosion resistance.
The Bryant 30103B Manual Motor Controller is easy to install, making it a popular choice among HVAC professionals and DIY enthusiasts. It comes with clear instructions and easy-to-understand wiring diagrams to guide users through the installation process. The controller's compact size also makes it easy to mount in tight spaces, making it a versatile solution for various applications.
In summary, the Bryant 30103B Manual Motor Controller is a robust and reliable overload protective device designed for managing the electrical operation of motors in HVAC systems and other applications. Its USIP function, manual reset button, and adjustable overload settings provide optimal performance and protection against under-voltage and overcurrent conditions. Its heavy-duty construction, ease of installation, and versatile design make it an excellent choice for professionals and DIY enthusiasts alike.
The Bryant 30103B Manual Motor Controller Overload Relay is a device used to protect motors from overloading, which can lead to damages and safety hazards. Here are some pros and cons of using this particular model:
Pros:1. Manual reset: The Bryant 30103B comes with a manual reset button, providing convenience for users who prefer not to rely on automatic reset functions.
2. Overload protection: The primary function of this motor controller is to protect motors from overloading, thus preventing potential damages and safety issues.
3. Universal application: This overload relay is suitable for a wide range of motors, making it a versatile choice for various applications.
4. UL listed: The Bryant 30103B is UL listed, ensuring it meets the safety and performance standards set by Underwriters Laboratories.
Cons:1. Manual reset only: While the manual reset feature is a pro for some users, it might be a con for others who prefer automatic reset functions for convenience.
2. Not suitable for high inrush currents: The Bryant 30103B is not designed for motors with high inrush currents, which could limit its applicability in specific industries or applications.
3. Limited overload settings: This model comes with a fixed overload setting, which might not be suitable for all motor applications. Users may need to adjust the setting based on their specific motor requirements.
In conclusion, the Bryant 30103B Manual Motor Controller Overload Relay offers manual reset convenience, universal application, overload protection, and UL listing. However, it may not be suitable for motors with high inrush currents and comes with a fixed overload setting, which could limit its applicability in certain situations.
Based on the information provided, my recommendation would be that this motor controller is a good choice for users who prefer manual reset functions and are working with standard motors with no high inrush currents. However, users with specific motor requirements might need to consider alternative options with more adjustable overload settings or suitable for high inrush currents.
Details:
Special instructions. Manufacturer part number: 30103B. Bryant 30103B manual motor controller without overload protection, 3 phase, type 1 enclosure. Bryant 30103B manual motor controller without overload protection manufactured by Bryant.
A previously used, fully functional product that may have some signs of cosmetic wear. The product must be the original item shipped, with matching serial numbers if applicable. Most items are in stock when they listed. 2-year MRI shield protection plan included.
specifications faclighting:
- brand: Bryant
- mpn: 30103b
- part type: Manual Motor Controller
general faclighting:
- category: Business & Industrial > Maintenance Safety > Facility > Lights Lighting
seller faclighting:
- # reviews: 14704
- rating: 98.8%
- city: mount sterling, kentucky
offer faclighting:
- in stock #: 3
- options: ship-to-home
- started: september 26, 2025
- best offers: true
- prices: $49.99–$75.00
- item condition: Used
- availability: in stock
- sold #: 13
shipping faclighting:
- class: standard, one-day
- transit: 4-7 days
- type: calculated
- carrier: ups
- service: ups ground, ups next day air
payments faclighting:
- wallet: paypal
- credit card: discover
- other
returns faclighting:
- time: 30 days
- policy: returns accepted
- paid by: buyer
- method: money back


