0 ratings
Item #:
17946890
MaySpare 80-Amp 12V Continuous Duty Solenoid Battery Isolator and Starter Relay - White 4 Pin SPST
Item #:
17946890
XCD 107
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
0 ratings
Write a review
In stock
Imported from USA store
QTY:
Order now and get it around Friday, July 10
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
MaySpare 80-Amp Relay 12V Continuous Duty Solenoid Relay Battery Isolator and Relay is a high-performance relay suitable for a wide range of applications, with a maximum switching current of 500A and max switching power of 2000W.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Current Capacity
Handles up to 80 amps, ensuring reliable performance in high-demand applications, making it ideal for automotive and marine use.
Durable Construction
Built to withstand harsh environments, offering longevity and consistent operation, even under continuous duty scenarios.
Easy Installation
Designed with a 4-pin configuration for straightforward setup, making it user-friendly for all skill levels, ensuring quick integration into existing systems.
Product Details
- 80-Amp 12V continuous duty solenoid relay
- Double battery isolator control with on/off switch
- Max switching current of 500A at 5ms
- Replaceable with White Rodgers and Cummins models
- 100,000 mechanical cycle life with copper contact
- Kit includes 4 big 100AMP terminals and 4 small terminals
| Item Weight | 0.5 lbs (230 grams) |
Dangerous Goods
To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.
Who Should Buy?
-
Automotive Enthusiasts
Ideal for car enthusiasts needing reliable power management for upgraded electrical systems or accessories.
-
Marine Applications
Perfect for users with boats requiring efficient battery isolation and electrical control for safety and performance.
-
Heavy-Duty Equipment
Useful for construction or agriculture machinery needing strong relays to manage high current operations effectively.
-
Light-Duty Use
Not suitable for small devices or lower power applications where high current capability is unnecessary.
-
Temporary Solutions
Inappropriate for users seeking quick fixes, as installation and reliability are designed for continuous duty applications.
-
Low-Power Systems
Not ideal for minimal electrical systems, as its capacity exceeds the requirements of such applications.
Product Description
MaySpare 80-Amp 12V Continuous Duty Solenoid Battery Isolator and Starter Relay - White 4 Pin SPST
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the MaySpare 80-Amp Relay used for?
Answer: The MaySpare 80-Amp Relay is designed for managing high current applications, making it ideal for automotive, marine, and RV setups. It functions primarily as a battery isolator, cutting off power when not in use, thus preserving battery life and preventing drain. Whether you’re operating a winch, auxiliary lights, or other high-draw accessories, this relay ensures reliability and performance in your electrical systems. -
Question:
How does the 12V continuous duty solenoid relay operate?
Answer: The 12V continuous duty solenoid relay operates by using an electromagnetic coil to close or open a contact switch, allowing or cutting off power flow to connected devices. It is built for continuous use at 12 volts, ensuring that it can handle persistent electrical demand without overheating. This makes it suitable for tasks like starter applications in vehicles, ensuring that your high-powered components activate reliably every time. -
Question:
What are the benefits of using a battery isolator relay?
Answer: Using a battery isolator relay, like the MaySpare 80-Amp Relay, provides several benefits including preventing battery drain by isolating your primary battery from auxiliary devices when they are not in use. This helps extend the lifespan of your battery and guarantees that you won’t be left with a dead battery when you need your vehicle operational. It’s especially beneficial for users with multiple batteries or those who frequently use added electronics. -
Question:
Can this relay handle heavy loads?
Answer: Yes, the MaySpare 80-Amp Relay is designed to handle heavy loads effectively, making it suitable for high-current applications. It is ideal for installations involving winches, high-powered lighting, or other electrical accessories that require significant wattage. Its robust construction ensures it can manage the demands of heavy-duty usage without failing, providing peace of mind in rugged environments. -
Question:
Is the MaySpare relay suitable for outdoor use?
Answer: Absolutely, the MaySpare 80-Amp Relay is built to withstand various environmental conditions, making it suitable for outdoor use in marine or off-road applications. It is designed with durability in mind, thus effectively resists corrosion and moisture, ensuring reliable operation even in challenging weather. This makes it a great choice for outdoor enthusiasts who rely on heavy electrical equipment. -
Question:
What type of vehicles can benefit from this relay?
Answer: The MaySpare 80-Amp Relay is versatile and can benefit a wide range of vehicles including cars, trucks, RVs, and boats. It’s excellent for applications that involve auxiliary power sources, such as off-road vehicles needing additional lights or sound systems. By using this relay, drivers can control the electrical load efficiently and safely, ensuring optimal performance of installed components. -
Question:
How do I wire the MaySpare relay properly?
Answer: Wiring the MaySpare 80-Amp Relay involves connecting the 12V power source to the relay and your equipment to the output terminals. Typically, you connect your battery's positive to the relay's input, and then connect your load (like a winch) to the output. Ensure to follow the provided wiring diagram for proper installation, ensuring all connections are secure to prevent any electrical failures. Learning how to wire correctly can greatly enhance the functionality of your powered devices. -
Question:
What does SPST mean in the relay description?
Answer: SPST stands for Single Pole Single Throw, which refers to the type of switch in the relay. It means that the relay has one input and one output, allowing it to either complete or break the circuit. This simplicity makes it an effective solution for straightforward applications requiring on/off controls, such as switching power to high-current loads in vehicles or marine applications. -
Question:
What installation tools do I need?
Answer: To install the MaySpare 80-Amp Relay, you will typically need basic tools such as a wrench set, wire strippers, connectors, and electrical tape. It’s advisable to have a multimeter handy to test connections and ensure that everything is wired correctly. Proper tools ensure that your installation is safe and efficient, minimizing the risk of shorts or connection failures. -
Question:
Where can I buy the MaySpare 80-Amp Relay in Saint Lucia?
Answer: You can buy the MaySpare 80-Amp Relay 12V Continuous Duty Solenoid Relay Battery Isolator and Relay from Ubuy in Saint Lucia. Ubuy offers a convenient online shopping experience and delivers directly to your location, ensuring that you have access to quality automotive components like this relay, enhancing the performance of your vehicle or equipment.
MaySpare Solenoids Editorial Review
No editorial reviews found
Customer Reviews & Ratings
1 customers ratings
-
5 Star
100%
-
4 Star
0%
-
3 Star
0%
-
2 Star
0%
-
1 Star
0%
Review this product
Share your thoughts with other customers
Platform Trust & Buyer Confidence
MT
Mohd
Verified buyer
“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
SJ
Shawati
Verified buyer
“Accurate delivery timing given”
16 June 2026 · via Trustpilot
YB
Youcef
Verified buyer
“Not madly expensive like I thought, and much quicker than promised.”
15 June 2026 · via Trustpilot
LM
Leila
Verified buyer
“Never dealt with Ubuy before, but everything worked out great. Seamless cross border purchasing and shipping. Thanks!”
6/7/2026 · via Trustpilot
KA
Kwame
Verified buyer
“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”
12 June 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Product Price History
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
XCD 107
Order now and get it around Friday, July 10
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
Fastest cross-border delivery
Features & Benefits
- Max switching current of 500A and max switching power of 2000W
- 100,000 mechanical cycle life
- Replace White Rodgers 120-105751, 120-105751-6, 120-901S1,120-107112, Cummins 3916301 3916302
- 4pcs big 100AMP terminals connected to loading and 4pcs small terminals
- Requires constant voltage but works for continuous 4-5 hours