Electrical box complete with 3 40-amp relays and 3 automotive fuses, ideal for designing clean, reliable, centralised electrical installations

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Perfect for new projects, restorations and high-performance assemblies.

This compact relay and fuse box allows you to organise your electrical circuits efficiently while ensuring optimum protection.

✅ Professional centralisation of circuits
All your relays and fuses are grouped together in a single box, avoiding messy assembly and facilitating maintenance.

✅ Power for everyday equipment
40A relays are ideal for :

• powerful lighting
• electric fans
• petrol pumps
• automotive accessories
• industrial equipment

ATO fuses protect every circuit against overcurrent.

✅ Robust industrial design
Made from high-strength PA66 plastic, the box withstands vibration, heat and severe conditions.

✅ Quick, clean installation

• cable routing from below
• secure clip-on lid
• interchangeable relay and fuse holders

✅ Complete kit ready to fit
Supplied with :

• 3 relays 40A
• 3 fuses
• all necessary terminals

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⚙️ Technical specifications

• Material: robust PA66 plastic
• Maximum voltage supported: 48 volts
• Number of relays: 3
• Maximum current per relay: 40 amps
• Relay type: conventional automotive 4 or 5 pin 12V
• Number of fuses: 3
• Fuse type: automotive standard (ATO)
• Dimensions:
• Length: 7 cm
• Width: 7 cm
• Height with lid: 8 cm
• Quality: industrial
• Cable management: underneath
• Lid: clip-on

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🧰 Applications

• Automotive electrical installations
• Racing cars
• Agricultural machinery
• Industrial machinery
• Custom electrical projects
• Wiring harness restoration

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🔧 Discount Autosport advice

• Identify each circuit before fitting
• Choose the right fuses for each line
• Use cables suitable for 40A
• Crimp + solder terminals for maximum reliability
• Test each circuit after installation

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✅ Product benefits

✅ Clean and organised electrical circuits
✅ Reliable 40A high quality relays
✅ ATO fuse protection
✅ Robust PA66 industrial plastic
✅ Fast and professional installation
✅ Complete kit included
Compact and discreet
✅ Suitable for automotive, agricultural and industrial use