
621661 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $22.95 | Condition is Used, OEM PRODUCTS UNLIMITED 621661 CONTACTOR HVAC USA SELLER FREE SHIPPING GUARANTEED, FREE SHIPPING | 99.0% |
![]() | $47.56 | Condition is Used, Products Unlimited 621661 Condenser Contactor 3100A-15Q152L, FREE SHIPPING | ![]() |
![]() | $67.95 | Condition is Used, 621661 Products Unlimited 24volt Relay Contactor 3100 A15Q152L / 3100 A 15Q152L, shipping cost = $3.95 | 99.8% |



The Unlimited 621661 24V Relay Contactor is a robust and reliable electrical device designed for various automation applications. This model, specifically identified as 3100 A15Q152L 15Q152L, is a 24V DC coil operated relay with a contact rating of 15A.
The Unlimited 621661 relay contactor is built with high-quality materials, ensuring durability and longevity. Its contacts are made of copper alloy, providing excellent electrical conductivity and ensuring reliable operation even under heavy load conditions. The contacts are rated for 15 A, making it suitable for a wide range of applications where medium current is required.
The contactor features a 24V DC coil, which provides easy and cost-effective control. It operates quickly and reliably, ensuring smooth operation of the connected loads. The coil is also designed to withstand high voltage surges, providing an additional layer of protection for the contactor and the connected system.
The Unlimited 621661 24V Relay Contactor is a NO (Normally Open) type, which means that the contacts are open when the coil is not energized. Once the coil is energized, the contacts close, allowing current to flow through the contacts and connecting the load.
The contactor is equipped with a latch mechanism, ensuring that the contacts remain closed even after the coil is de-energized. This feature is particularly useful in applications where a momentary signal is required to turn on a load, but the load needs to stay on until a manual reset is performed.
The Unlimited 621661 24V Relay Contactor is designed for easy installation and maintenance. It features a compact size, making it suitable for installation in tight spaces. The contacts are easily accessible for inspection and replacement, ensuring minimal downtime in case of maintenance.
In conclusion, the Unlimited 621661 24V Relay Contactor is a high-quality, reliable, and versatile electrical device suitable for a wide range of automation applications. Its robust construction, high current rating, and easy operation make it an excellent choice for anyone looking for a reliable and durable relay contactor.
Pros of buying a 621661 24V relay contactor:1. Versatility: This contactor is suitable for a wide range of applications due to its 15A rating and 24V DC power supply.
2. Durability: The contactor is built to withstand harsh environments, making it a reliable choice for industrial applications.
3. Easy to install: The contactor comes with mounting holes, making it simple to install and connect to your control system.
4. Cost-effective: Compared to other contactors with similar specifications, the 621661 24V relay contactor is relatively affordable.
Cons of buying a 621661 24V relay contactor:1. Limited current capacity: The 15A rating may not be sufficient for high-power applications.
2. Limited voltage range: The contactor is only suitable for 24V DC applications, which may limit its compatibility with certain control systems.
3. Limited control options: The contactor does not offer advanced control options, such as remote control or feedback, which may be required for some applications.
Conclusion:The 621661 24V relay contactor is a versatile and durable option for applications that require a 15A contactor with a 24V DC power supply. Its cost-effectiveness and ease of installation make it an attractive choice for many applications. However, its limited current capacity and voltage range may make it unsuitable for high-power or AC applications. Therefore, it is essential to carefully evaluate your specific requirements before making a purchase decision.
Recommendation:If your application requires a 15A contactor with a 24V DC power supply and you are looking for a cost-effective and reliable option, the 621661 24V relay contactor is a good choice. However, if you require a higher current capacity or voltage range, you may want to consider other options that better meet your needs.
Details:
Partial list of inter therm/anodyne/miller units that use this contactor: t3qc-036k, s30a-036k, msc36e-c3 msc36ec3 e2eb010hb s3qa-036ka s3qa036ka js3ba-036ka js3ba036ka t3qc-018k t3qc-024k t3qc-030k t3qc-036k t3qc-042k t3qc-036c t3qc-048c t3qc-060c gt3ba-018k gt3ba-024k gt3ba-030k gt3ba-036k gt3ba-042k gt3ba-036c gt3bc-018k gt3bc-024k gt3bc-030k gt3bc-036k gt3bc-042k s36a-024k. 621661 / 3100 A15Q152L a 15q152l. 30 day warranty begins on first of delivery. Replaces old part #s: 621037, 620618, 620483, 620569, 621661.
Please excuse all dust and dirt from prior use. Shipped with USPS first class package. Condition is used. This contractor was recovered from a working condenser that decommissioned for upgrading.
specifications maxohvac:
- mpn: 621661
- model: 621661 / 3100 A15q152l / 3100 A 15q152l
- part type: Contactor
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
payments maxohvac:
- credit card: discover
- wallet: apple-pay
shipping maxohvac:
- class: standard
- service: usps first class
- transit: 4-7 days
- carrier: usps
- type: fixed
offer maxohvac:
- started: april 11, 2024
- in stock #: 3
- prices: $22.95–$67.95
- item condition: Used
- availability: in stock
- sold #: 31
- options: ship-to-home
returns maxohvac:
- policy: no returns
seller maxohvac:
- # reviews: 3292
- rating: 97.9%
- city: saint louis, missouri
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