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Weasch

Weasch specializes in reliable electromechanical relays for industrial electrical applications, offering PCB power relays ideal for control systems and household appliances.

7 products Updated March 4, 2026

Weasch Products (7)

1
Prime

2 Pack Weasch JD1912 12V 40A 4-Pin SPST Waterproof Car Relay for Truck Boat Tractor Motorcycle Automotive

Weasch
9.9
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High 40A capacity handles demanding loads
  • Fully waterproof with strong cap and seal ring
  • Excellent insulation resistance up to 100MΩ
  • Compact and lightweight for easy installation
  • Silver alloy contacts for superior conductivity

Cons

  • No included wiring harness requires separate purchase
  • Lacks backrest mounting for some applications
  • SPST only, not suitable for SPDT needs
2
Prime

Weasch 6Pcs SRD-05VDC-SL-C PCB Power Relays, 5V DC Coil 10A 250VAC SPDT 5-Pin for Appliances & Automation

Weasch
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • High 10A contact rating supports demanding loads reliably
  • Precise 5V operation suits low-voltage microcontroller setups
  • SPDT configuration offers flexible switching options
  • Durable build for remote controls and automation use

Cons

  • Requires soldering for secure PCB mounting
  • Mechanical design may wear with millions of cycles
  • Not ideal for high-frequency switching applications
3
Prime

Weasch 12V Pre-Wired Fuse Relay Box: 2x 80A 4-Pin Relays, 6 ATC/ATO Fuses for Cars, Trucks, Boats, Jeeps

Weasch
9.8
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Pre-wired design speeds up installation
  • High 80A relay capacity supports demanding loads
  • Includes essential relays and fuses out of the box
  • Color-coded wires reduce connection errors
  • Broad vehicle compatibility enhances usability

Cons

  • Not waterproof, so avoid direct water exposure
  • Only 2 relay slots may limit complex setups
  • Compact size requires pre-purchase space verification
4
Prime

Weasch 9038 Relay Bypass Switch Kit (Pack of 6) - Fuel Pump Tester for Fast Auto Diagnostics, 20A 12V

Weasch
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Plug-and-play simplicity speeds up troubleshooting
  • High-quality materials resist wear and environmental damage
  • Strong current rating supports fuel pumps and motors
  • Wide vehicle compatibility reduces need for multiple tools
  • Cost-effective pack quantity for professionals

Cons

  • Wires not included, requiring separate purchase for some setups
  • Requires verifying OEM part number match before use
  • Limited to 20A continuous draw for higher-amp needs
5
Prime

Weasch 12V Pre-Wired Fuse Relay Box: 4x 40A Relays, 6 ATC/ATO Fuses, Dustproof Block Kit for Car Truck Boat Jeep Marine

Weasch
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Pre-wired setup saves time and reduces errors
  • Versatile fuses and relays handle diverse applications
  • Dustproof design boosts component longevity
  • Broad vehicle compatibility from cars to boats
  • Clear wiring diagram aids precise connections

Cons

  • Not fully waterproof; avoid full submersion
  • Wire gauges require pre-purchase verification
  • Fixed dimensions demand sufficient install space
6
Prime

Weasch 12V 3-Way Pre-Wired Fuse Relay Box with 3x40A Relays & ATC Fuses - Dustproof Block for Cars Trucks Jeeps ATVs

Weasch
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Pre-wired design simplifies setup without custom soldering
  • Dual fuse-relay protection enhances electrical reliability
  • Dustproof enclosure protects against environmental debris
  • Broad vehicle compatibility from SUVs to campers
  • Replaceable fuses allow customization to circuit needs

Cons

  • Not waterproof; avoid full water immersion
  • Requires verifying wire gauges for high-current applications
  • Limited to 3 circuits; expand with larger Weasch models for more
7
Prime

Weasch 12V Pre-Wired 80A Fuse Relay Box Kit: 2 Relays & 6 ATC Fuses for Cars, Trucks, Jeeps, ATVs

Weasch
9.6
ProductReviews.org score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the ProductReviews.org tool. This score doesn't impact from any manufacturer or sales agent websites. We encourage you to write a review of your experiences with these products. Learn more »
Pros & Cons

Pros

  • Pre-wired for plug-and-play simplicity
  • Includes 2x robust 80A JD1912 relays
  • 6 fuse slots with spares for quick swaps
  • Wide vehicle compatibility including off-road
  • Strong specs like -40°C to +85°C operation

Cons

  • Not fully waterproof; avoid water immersion
  • Wire gauges require pre-purchase verification
  • No wireless option included

Weasch Brand Guide

Weasch stands out in the industrial electrical sector, particularly for its electromechanical relays that deliver dependable performance in demanding environments. Known for PCB power relays like the SRD-05VDC-SL-C model, Weasch products are engineered for precision control in household appliances, automation boards, and scientific instrumentation, making them a go-to choice for engineers and technicians seeking robust solutions.

Brand Overview and Expertise

Weasch focuses on components within the Controls & Indicators category, emphasizing electromechanical relays that bridge the gap between simple switching and complex industrial operations. Their relays feature SPDT configurations and high amperage ratings, suitable for applications requiring consistent coil operation at low voltages like DC 5V. This specialization allows Weasch to cater to a niche yet critical market where reliability directly impacts system uptime.

What sets Weasch apart is its commitment to quality in electromechanical design. These relays are built with 5-pin terminations that facilitate easy integration onto PCB boards, reducing assembly time and enhancing overall circuit efficiency. Professionals appreciate the brand's attention to durability, ensuring these components withstand vibrations, temperature fluctuations, and repeated cycling common in industrial settings.

Product Quality and Reputation

Weasch relays earn praise for their solid construction and consistent performance. The brand's offerings, such as multi-pack PCB power relays, provide value through bulk availability without compromising on individual unit integrity. Users highlight the relays' ability to handle loads up to 10A at 250VAC, making them versatile for both low-power signal switching and higher-demand loads in appliance control boards.

Reputation-wise, Weasch has built trust among DIY enthusiasts, hobbyists, and professional integrators. The electromechanical nature of their relays offers tactile feedback and longevity over solid-state alternatives in certain scenarios, appealing to those prioritizing mechanical robustness. Quality control is evident in the precise coil specifications and contact arrangements, minimizing failures in critical paths.

Who Are Weasch Products Best For?

Weasch shines for users in industrial and scientific fields needing reliable relays. Ideal for:

  • Engineers designing automation panels and control systems.
  • Technicians repairing or upgrading household appliance boards.
  • Hobbyists prototyping PCB projects with high-current switching needs.
  • Manufacturers seeking cost-effective, bulk relay solutions.

Whether you're working on scientific instruments or industrial machinery, Weasch provides the precision and power handling required for seamless operation. For broader selections, check out our Relays category featuring similar components.

Key Product Categories

Weasch products primarily fall under Industrial Electrical > Controls & Indicators > Relays > Electromechanical Relays. This positioning underscores their role in enabling accurate signal control and power switching. Multi-unit packs make them perfect for production runs or extensive testing setups.

In the realm of relays, Weasch complements other offerings in Relays, where you'll find comparable electromechanical options. These categories host a variety of SPDT relays suited for diverse voltage and current profiles, allowing shoppers to compare and select based on specific project demands.

Applications and Versatility

Beyond basic switching, Weasch relays support applications in timers, safety circuits, and motor controls. Their 5V DC coils pair well with microcontroller-driven systems, enabling smart home integrations or IoT prototypes. Durability ensures long-term reliability, reducing maintenance in harsh environments like manufacturing floors or lab equipment.

For those exploring relay ecosystems, internal links to dedicated sections like Relays and Relays provide deeper dives into compatible products and buying guides.

What types of relays does Weasch produce?

Weasch primarily offers PCB power relays, such as SPDT electromechanical models with DC coils, designed for board-level integration in control and indicator applications.

Are Weasch relays suitable for industrial use?

Yes, their relays are built for industrial electrical demands, handling significant loads and environmental stresses while maintaining precise operation.

How do Weasch products compare to other brands?

Weasch emphasizes mechanical reliability and ease of use, making them a strong choice for applications valuing durability over ultra-high speeds.

Where can I buy Weasch relays?

Weasch products are available through affiliate retailers specializing in industrial components; explore categories like Relays for current listings.

Can Weasch relays be used in household appliances?

Absolutely, their design targets appliance boards, providing safe and efficient switching for everyday devices.