RS PRO Junction Box, IP66, 300mm x 150mm x 80mm

Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

RS PRO IP66 Stainless Steel Junction Box, Unpainted

Introducing stainless steel junction boxes from RS PRO, a range of high quality and durable terminal box enclosures for housing DIN rail terminals and accessories in a range of electrical applications. With multiple DIN rail fixing points included, these junction boxes are perfect for installing and protecting electrical wires, connectors and cables, as well as providing a protective case for switches and more.

These junction boxes are manufactured from stainless steel, offering a highly durable and sturdy enclosure that can be installed in a wide range of environments. The terminal boxes feature an IP66 rating, offering excellent weatherproof protection making them ideal for use both indoors and outdoors. These RS PRO stainless steel terminal boxes also feature a wide operating temperature of -20 to +110°C making them highly versatile, allowing them to be used in environments with varied temperatures.

Features and Benefits

• Operating temperature -20°C to +110°C
• Multiple DIN rail fixing points, M5
• External M6 earthing stud
• Double lipped edges
• Manufactured from stainless steel offering excellent durability and corrosion resistance
• IP66 rating offering excellent weatherproof protection
• Suitable for a wide range of applications indoors and outdoors


Terminal boxes are a type of enclosure ideal for protecting internal electrical components such as wiring and cables. Junction box enclosures are available in a wide range of shapes, sizes and colours to suit various applications. Junction boxes are also manufactured from a wide range of materials including steel, plastic, aluminium and more, each offering varying levels of protection.

Junction boxes are commonly used for applications such as:

• Protecting sockets
• Installing wiring circuits
• Housing PCB (printed circuit boards)
• Housing wiring and connections
• Installing lighting circuits


What is the IP rating?

The IP rating refers to the level of protection that is provided, with lower numbers offering minimal protection and higher numbers offering maximum protection. The first digit refers to the level of protection from solids such as dust and debris, whereas the second digit refers to liquid.

This range of RS PRO terminal boxes feature an IP66 rating, ensuring protection from dust and water ingress.

What is compatible with this enclosure?

Incorporated within this enclosure are a set of DIN-Rails, making it perfect for sensitive electrical equipment. Although not 100% necessary, the interior of this box itself is designed for the installation of DIN-Rail terminals, so electrical wiring would be fully protected from the elements if situated in an outdoor environment.

Can this be used outdoors?

This range of junction boxes are ideal for use both indoors and outdoors, providing excellent weatherproof protection.

What sizes are available?

758-7059 - 175x175x120 mm
758-7052 - 200x200x80 mm
758-7046 - 300x150x80 mm
758-7056 - 300x150x120 mm
758-7040 - 300x200x80 mm
758-7065 - 300x200x120 mm

Attribute Value
Length 300mm
Material Stainless Steel
Width 150mm
Dimensions L x W x H 300 x 150 x 80mm
IP Rating IP66
Height 80mm
Colour Unpainted
14 In stock for FREE next working day delivery
Price Each
£ 100.39
(exc. VAT)
£ 120.47
(inc. VAT)
Per unit
1 - 9
10 - 14
15 +
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