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Item #:
150351579
4-PIN Relay 4030AMP 12V DC Automotive Relays Waterproof Relay with Harness Heavy Duty 12 AWG Tinned Copper Wires, 5 Pack
Item #:
150351579
ETB 5800
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
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Imported from USA store
QTY:
Order now and get it around Wednesday, July 22
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Engineered for durability, these 12v relay with harness feature rugged caps and tight seals for maximum protection against water, dust, and moisture.
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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 Rating
Designed to handle up to 40/30AMP, this relay ensures reliability for heavy-duty automotive applications, making it ideal for powering high-draw electrical components.
Waterproof Design
Built to resist moisture and environmental factors, these waterproof relays provide durability and uninterrupted performance in challenging conditions, protecting sensitive automotive systems.
Complete Wiring Harness
Includes a ready-to-use harness with 12 AWG tinned copper wires, simplifying installation and enhancing connectivity while ensuring optimum performance and longevity of the electrical system.
Product Details
| Item Weight | 1.5 lbs (680 grams) |
Who Should Buy?
-
Car Modifiers
Ideal for enthusiasts upgrading vehicles with additional accessories like lights and sound systems requiring reliable electrical connections.
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Heavy Equipment Users
Great for users of heavy machinery needing robust relays that withstand outdoor conditions and extreme vibrations.
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DIY Hobbyists
Perfect for DIY projects requiring custom wiring solutions, providing easy installation and dependable performance.
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Light-Duty Applications
Not suitable for smaller electronic devices or automotive applications that don't require high amperage and robust wiring.
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Occasional Users
Best for frequent users; occasional users may find purchasing a pack unnecessary and cost-effective solutions elsewhere.
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Non-Automotive Applications
Not recommended for non-automotive projects, as the specifications are primarily designed for vehicle-related electrical needs.
Product Description
4-PIN Relay 4030AMP 12V DC Automotive Relays Waterproof Relay with Harness Heavy Duty 12 AWG Tinned Copper Wires, 5 Pack
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
Can these relays be used underwater?
Answer: No, the relays should not be used underwater. -
Question:
What is the operational voltage range for this relay?
Answer: The operational voltage range is 6-8V DC. -
Question:
Is there a warranty or support available?
Answer: Yes, we offer premium after-sales support for any issues encountered.
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“The product received very good packaging & safe…Thank You”
16 June 2026 · via Trustpilot
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“Accurate delivery timing given”
16 June 2026 · via Trustpilot
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“Not madly expensive like I thought, and much quicker than promised.”
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6/7/2026 · via Trustpilot
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“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
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- 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.
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ETB 5800
Order now and get it around Wednesday, July 22
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:
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Fastest cross-border delivery
Features & Benefits
- Waterproof and rugged design for ultimate durability.
- Ideal for automotive, marine, and outdoor applications.
- Quick-install feature for easy replacement.
- High-quality materials ensure optimal conductivity and voltage stability.
- Enhanced safety with flame-retardant plastic construction.
- Premium customer support for hassle-free assistance.
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