RS PRO Junction Box, IP66, 300mm x 150mm x 120mm

Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
COO (Country of Origin): CN
Product Details

RS PRO Stainless Steel Terminal Box, IP66, Unpainted

Introducing stainless steel terminal 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 also feature a black neoprene gasket with 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

• Lids with black neoprene gasket and 4 x M6 captive hexagon headed screws
• Operating temperature -20°C to +110°C
• Multiple DIN rail fixing points, M5
• External M6 earthing stud
• 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.

Can this be used outdoors?

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

What sizes are available?

842-8330 - 150x150x80
842-8327 - 175x175x120
842-8336 - 200x200x120
842-8314 - 200x200x80
842-8318 - 300x150x120
842-8311 - 300x150x80
842-8320 - 300x200x120
842-8302 - 300x200x80
842-8333 - 300x300x120
842-8324 - 400x200x120
144-1348 - 150x150x80mm


Stock no. 144-1348 has no mounting holes in the base.

Attribute Value
Length 300mm
Material Stainless Steel
Width 150mm
Dimensions L x W x H 300 x 150 x 120mm
IP Rating IP66
Height 120mm
Colour Unpainted
Available to back order for despatch 07/04/2020
Price Each
£ 98.30
(exc. VAT)
£ 117.96
(inc. VAT)
Per unit
1 - 9
10 - 14
15 +
Related Products
IP55Versatile boxes with metric knockouts in the side ...
IP55Versatile boxes with metric knockouts in the side walls and base for cable entry Side wall knockouts fitted with rubber seals Impact resistant Styles 1, 2, and 3; with press fit lids, accept cables 3.5 to 20.5 mm diameter Style 4; has a lid fastened by 4 screws with 90° ...
Snap-on cover, base with TPE gasket. Fibox JB ...
Snap-on cover, base with TPE gasket. Fibox JB electrical junction boxes are designed for indoor and outdoor use. Enclosures are maintenance free and corrosion resistant. Aesthetic design maximizing installation space – easy installation. Membrane entries allow flexible cable entry options.
Rose Ex Okta junction boxes are a glass ...
Rose Ex Okta junction boxes are a glass fibre reinforced thermoset enclosure made up of a polyester resin with graphite and to be used in all Ex-area. Specially designed to provide explosion protection plus are suitable for use on offshore platforms and in the petrochemicals industry. The octagonal design of ...
Introducing the range of professional junction boxes from ...
Introducing the range of professional junction boxes from BOPLA. These boxes are manufactured from high-quality polyamide that guarantees increased flame, UV and impact resistance. Sealing has been designed to make boxes waterproof according to IP65 level of water protection. Bopla boxes are available with or without cable glands.Features and Benefits:• ...