3 Way Pre-Wired Fuse Relay Box
Product Overview
The 3 Way Pre-Wired Fuse Relay Box is a compact automotive power distribution and circuit protection solution designed for auxiliary DC electrical systems.
It combines 3 ATC/ATO blade fuse positions and 3 automotive relay positions in one compact enclosure, allowing three electrical accessories to be independently protected and relay-controlled.
The pre-wired harness helps reduce terminal crimping, relay socket assembly, and complicated wiring work, making installation faster, cleaner, and easier to manage.
This fuse relay box is suitable for auxiliary lights, fog lights, work lights, horns, cooling fans, fuel pumps, auxiliary pumps, and other automotive electrical accessories.
Standard configurations are available with 12V or 24V 40A automotive relays. For OEM and ODM projects, relay voltage, relay current rating, wire gauge, wire length, fuse configuration, terminals, connectors, and wiring layouts can be customized according to customer requirements.
Key Features
3 Fuse Positions + 3 Relay Positions
The integrated design combines three ATC/ATO blade fuse positions and three automotive relay positions in one compact housing.
Each relay-controlled circuit can be individually protected by a fuse, providing an organized solution for controlling multiple auxiliary electrical accessories.
This configuration is ideal for projects that require several independent switched circuits without using a larger multi-way fuse relay box.
Pre-Wired for Easier Installation
The pre-installed color-coded wiring harness reduces repetitive terminal crimping, relay socket assembly, and manual wiring.
This helps simplify installation, reduce wiring errors, and save assembly time for automotive modification, aftermarket electrical installation, and custom equipment projects.
Independent Relay Control
Three relay positions allow up to three auxiliary electrical accessories to be controlled independently.
Typical applications may include:
Independent relay control helps keep high-current accessory loads away from low-current dashboard switches and control circuits.
Compact Power Distribution Design
Instead of installing three separate relays, three individual fuse holders, and loose wiring throughout the vehicle, this fuse relay box integrates the main switching and circuit protection components into one compact unit.
The centralized design helps create a cleaner, more organized, and more professional vehicle electrical system.
Standard 12V / 24V Relay Options
Standard production configurations are available with:
These configurations are suitable for many common cars, trucks, SUVs, RVs, off-road vehicles, and auxiliary DC electrical systems.
Custom Relay Configurations
For OEM and ODM projects, relay specifications can be customized according to the electrical requirements of the application.
Available relay configurations may include:
Final relay selection should be based on system voltage, load current, wire specification, terminals, connectors, installation environment, and project requirements.
ATC / ATO Blade Fuse Compatible
The fuse block is compatible with commonly used ATC/ATO automotive blade fuses.
Different fuse ratings can be selected according to the actual operating current of each connected accessory.
This makes fuse selection, replacement, and maintenance convenient for automotive aftermarket and custom electrical applications.
Protective Cover Design
The fitted upper cover helps protect the relays and fuses from dust, dirt, debris, and accidental contact.
This product is not waterproof.
It should be installed in a dry or protected location and should not be directly exposed to rain, water spray, high-pressure water, or immersion.
Applications
The 3 Way Pre-Wired Fuse Relay Box is suitable for a wide range of automotive and auxiliary electrical applications, including:
Product Specifications
Product Name:
3 Way Pre-Wired Fuse Relay Box
Fuse Positions:
3
Relay Positions:
3
Fuse Type:
ATC / ATO Blade Fuse
Wiring Type:
Pre-Wired
Standard Relay Voltage:
12V / 24V
Standard Relay Rating:
40A
Custom Relay Voltage:
12V–72V
Custom Relay Rating:
40A–60A, depending on project requirements
Housing Protection:
Dust and debris protection
Waterproof:
No
Fuse Rating:
Customizable according to circuit requirements
Wire Gauge:
Customizable
Wire Length:
Customizable
Wire Color:
Customizable
Terminal Configuration:
Customizable
Connector Type:
Customizable
Wiring Configuration:
Customizable
Why Choose This Fuse Relay Box?
For vehicle electrical projects that require several independently controlled accessories, installing separate relays, fuse holders, and loose wiring can quickly make the electrical system difficult to organize.
The 3 Way Pre-Wired Fuse Relay Box combines three fused circuits, three relay-controlled outputs, and pre-installed wiring into one compact assembly.
It helps reduce installation time, simplifies circuit organization, and provides a cleaner solution for automotive electrical upgrades.
The 3-fuse and 3-relay configuration is particularly suitable for projects where three accessories require independent relay switching and individual fuse protection.
OEM & ODM Customization
FUZTRAX provides OEM and ODM manufacturing services for automotive fuse boxes, relay boxes, and wiring harness assemblies.
Customization options include:
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Relay voltage
-
Relay current rating
-
Relay model
-
Wire gauge
-
Wire length
-
Wire color
-
Fuse rating
-
Fuse configuration
-
Terminal type
-
Connector type
-
Wiring layout
-
Product labeling
-
Customer logo
-
Packaging
Different electrical configurations can be developed according to vehicle type, accessory load, installation environment, and customer project requirements.
Important Electrical Notice
The current rating printed on a relay represents the relay contact specification and does not automatically represent the safe continuous current capacity of the complete fuse relay box or wiring harness.
Actual allowable circuit current depends on several factors, including:
Always select the appropriate fuse, wire gauge, terminal, connector, and relay specification according to the actual operating current of the connected equipment.
For high-current or specialized electrical applications, please confirm the required electrical specifications before ordering.
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