Frequently Asked Questions (FAQ)

Welcome to YIS Marine - Marine Electrical Products Manufacturer in Taiwan.

Technical Articles


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The IP Rating (Ingress Protection Rating) refers to the different levels of protection a product provides against foreign objects (such as fingers, wires and dusts) and water ingress. The first digit is the protection...

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In previous title we have shared what are the IP Ratings and how to choose the rating for your products. When designing the products, we need to test them to ensure that the products would pass the rating...

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In most Yachts and Caravans (Camper Vans), a second battery (also named dual battery setup) is often pre-installed in factory or modification shop. But if you’re going to convert your truck or RV into...

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VSR (Voltage Sensitive Relay) or ACR (Automatic Charging Relay) are automatically controlled relay switches that allow two batteries to be combined when charging, and to be isolated when not charging and current...

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Battery switches are important components in marine and automotive electrical systems. They allow you to control the power flow to your batteries and devices, and help you manage your power usage effectively....

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An electrical device on a boat can sometimes spark a flame that may cause explosions if there are flammable gases or vapors around in the air. Therefore it is very important to make sure that those devices...

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Choosing the right fuse block for your boat or caravan is crucial to ensure the safety of your electrical system. Fuse blocks protect your electrical system by interrupting the circuit when an electrical...

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LED is the next generation of lighting. With its lower power consumption, vibration-proof and better durability comparing to traditional halogen lights, the LED lights are an ideal solution for mobile...

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LED is the next generation of lighting. With its lower power consumption, no heat radiation and better durability comparing to traditional halogen lights, the LED lights are an ideal solution on the board....

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There are 3 major categories of interior lights on yachts and boats – Dome light / Ceiling Lights, Reading lights and Courtesy Lights.

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AC stands for "alternating current" and DC stands for "direct current." The main difference between AC and DC is the direction in which the electric charge flows. In DC, the electric charge flows in one direction,...

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The UKCA certificate is a certification mark that is required for products sold in the United Kingdom after the UK's departure from the European Union. This certificate indicates that a product meets the relevant...

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Over 20 Years Marine Electrical Products & Accessories Manufacturer | YIS Marine

Based in Taiwan, China since 1992, Yih Sean Enterprise Co., Ltd. has been a marine electrical and electronic products manufacturer. Their main marine and boat products, include 12/24V accessories, switch panels, fuses, circuit breakers, switches and lights, which has served more than 200 customers worldwide with international safety standards.

YIS Marine is a professional manufacturer devoted to providing high quality marine electrical and electronics products. By designing and manufacturing in-house and having quality control at Taiwan headquarter, we are able to offer high quality marine products at competitive prices. with more than 20 years manufacturing experience for Marine Products, Switch Panel, Led Light, Switch, Plug, Socket, Terminal Block and Bus Bar in Taiwan.

YIS Marine has been offering customers high-quality marine and boat electrical products, both with advanced technology and 20 years of experience, YIS Marine ensures each customer's demands are met.