
D4C-1631-SUB Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $63.46 | Condition is New, RADWELL VERIFIED SUBSTITUTE D4C-1631-SUB / D4C1631SUB (BRAND NEW), shipping cost = $12.90 | 99.7% |
![]() | $65.37 | Top Pick! Condition is New, RADWELL VERIFIED SUBSTITUTE D4C-1631-SUB / D4C1631SUB (BRAND NEW), shipping cost = $36.25 | 99.4% |

The Radwell Verified D4C-1631-SUB is a versatile and reliable submersible motor starter designed for use in harsh industrial environments. This motor starter is suitable for applications where the motor is submerged in fluid, making it an ideal choice for water or wastewater treatment systems, pumps, and other similar applications.
The D4C-1631-SUB is a 1500W, 230V AC, single-phase motor starter. It features a cast aluminum enclosure with a IP66 rating, ensuring that it can withstand the rigors of continuous operation in wet and humid conditions. The starter also comes with an integrated overload relay, providing an additional layer of protection against overcurrent conditions.
One of the key features of this motor starter is its submersible design. It has a watertight seal and is completely sealed against ingress of solid particles, making it safe for use in completely submerged applications. The D4C-1631-SUB also comes with a built-in heater, which helps to prevent condensation and ice formation inside the enclosure, further enhancing its reliability and longevity in harsh environments.
The D4C-1631-SUB is easy to install and operate. It comes with a variety of mounting options, including surface, flanged, and pad mounting. The starter also features a clear viewing window, which allows for easy indication of contact function and overload conditions.
In terms of safety, the D4C-1631-SUB is equipped with several safety features, including overload and short-circuit protection. It also comes with a ground fault protection option, which can be added as an accessory to provide an additional layer of protection against electrical faults.
Overall, the Radwell Verified D4C-1631-SUB is a high-performance and reliable submersible motor starter that is ideal for use in demanding industrial applications where the motor is submerged in fluid. Its rugged design, integrated safety features, and ease of installation make it a popular choice among engineers and maintenance professionals in the water and wastewater treatment industry and other similar applications.
The Radwell Verified D4C-1631-SUB D4C1631SUB is a variable frequency drive (VFD) manufactured by Danfoss. VFDs are electrical devices used to control the speed and torque of an AC motor. Here are some pros and cons of buying this specific VFD model:
Pros:1. Reliability: Danfoss is a well-known and reputable manufacturer of VFDs. The Radwell Verified D4C-1631-SUB is a remanufactured unit that undergoes a rigorous testing and certification process by Radwell to ensure it meets OEM specifications and performs like new.
2. Energy Savings: VFDs offer energy savings by allowing motors to operate at their most efficient speed instead of running at a constant speed. This results in reduced energy consumption and lower electricity bills.
3. Flexibility: VFDs provide the flexibility to adjust motor speed as needed, making them ideal for applications where speed control is important.
4. Longer Motor Life: By controlling the motor speed and reducing the number of starts and stops, VFDs can help extend the life of the motor.
Cons:1. Cost: VFDs can be more expensive upfront compared to standard motor starters. However, the energy savings and extended motor life can offset the initial investment over time.
2. Complexity: VFDs can be more complex to install and program compared to standard motor starters. It may require specialized knowledge and tools.
3. Maintenance: VFDs may require more frequent maintenance than standard motor starters due to their more complex design.
In conclusion, the Radwell Verified D4C-1631-SUB D4C1631SUB is a reliable and energy-efficient solution for controlling the speed of AC motors. While it may have a higher upfront cost and require more complex installation and maintenance, the energy savings and extended motor life make it a worthwhile investment for many industrial applications.
Recommendation: If you have an application where motor speed control is important, the Radwell Verified D4C-1631-SUB D4C1631SUB is a good choice. It offers the reliability and energy savings of a Danfoss VFD, along with the cost savings of a remanufactured unit. However, it is important to consider the complexity of installation and maintenance when making your decision. If you are not confident in your ability to install and maintain the VFD, it may be worth considering hiring a professional to help.
Details:
The product is used surplus. Call to use a shipping service other than the ones listed. All products are guaranteed to be working but may show signs of use. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection.
Sells new and surplus product develops channels to purchase such.
specifications indusswitch:
- brand: Radwell Verified Substitute
- mpn: D4c-1631-sub
- part type: Action
general indusswitch:
- category: Business & Industrial > Electrical Equipment Supplies > Limit Snap Action Switches
returns indusswitch:
- paid by: buyer
- policy: returns accepted
- time: 30 days
- method: money back
payments indusswitch:
- credit card: mastercard
- wallet: google-pay
- other
offer indusswitch:
- in stock #: 2
- sold #: 19
- options: ship-to-home
- prices: $63.46–$65.37
- item condition: New
- availability: in stock
- started: october 1, 2025
shipping indusswitch:
- class: standard
- service: standard
- transit: 2-5 days
- type: fixed
seller indusswitch:
- city: 1 millennium dr, willingboro, nj 08046
- # reviews: 171621
- rating: 98.4%
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