Junction Boxes

What are junction boxes used for?

Junction boxes primary purpose is to connect and protect wiring that carry electrical current ensuring safe connections and security from the elements and unqualified engineers. Junction boxes are available in a variety of sizes, material types and colours. They are found in Industrial and commercial applications.

How do junction boxes work?

A junction box upon inspection offers points of entry for lighting and electrical cable, so its very important to have the correct junction box for the application. These points of entry consist of a knockout, integrated thread or self-sealing membranes.

Internally there are mounting points for screws in each corner, use the correct masonry plugs, anchors and fixings for the surface you are mounting to. Once the junction box has been mounted and all cables prepared, wire connections can be made using the correct cable terminals and splices. A sealed box lid or box cover then provides security for all the internal components.

What materials are they made from?

Junction boxes are made from various materials such as; ABS, Aluminium, Carbon Steel, Duro-plastic, Galvanised Steel, Glass Fibre Reinforced PET, GRP, Mild Steel, Nickel-Plated Steel, Plastic, Polyamide, Polybutylene Terephthalate, Polycarbonate, Polyester, Polypropylene, Polystyrene, PVC, Stainless Steel, Steel and Thermoplastic.

Where would you find junction boxes?

  • Lighting installation
  • Housing and wiring connections

Types of Junction boxes

Typical types of junction boxes include;

  • One-gang
  • Two-gang
  • Metal pancake
  • Four-square

What IP ratings are available?

IP ratings such as; IP20, IP2X, IP40, IP44, IP54, IP55, IP65, IP66, IP67 and IP68 are available

(IP) Ingress Protection and what it means

IP rating classifies the degrees of protection provided against the intrusion of solid objects (including body parts like hands and fingers), dust, accidental contact, and water in electrical enclosures.


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Description Price Length Width Height Material Dimensions L x W x H IP Rating Number of Terminals Number of Ways Colour Hazardous Area Certification Cable Entry Current Rating Diameter Series
RS庫存編號 535-1432
製造零件編號OTB122
BrandBartec
HK$972.99
單位
122mm 122mm 82mm Glass Fibre Reinforced PET 122 x122 x 82mm IP66 - - Black ATEX - - - -
RS庫存編號 768-5803
製造零件編號KD4350
BrandHENSEL
HK$1,341.68
單位
210mm 260mm 117mm Thermoplastic 210 x 260 x 117mm IP66/67 - - Black - - 150A - -
RS庫存編號 768-5740
製造零件編號KD5065
BrandHENSEL
HK$549.01
單位
119mm 139mm 70mm Thermoplastic 119 x 139 x 70mm IP66/67 5 10 Black - - 32A - -
RS庫存編號 700-0808
製造零件編號COMBI 108/5
BrandWISKA
HK$51.34
/個 (每包:10個)
單位
76mm 76mm 51mm Polypropylene 76 x 76 x 51mm IP66 - 12 Grey - - - - -
RS庫存編號 494-2885
製造零件編號33441201
BrandSpelsberg
HK$83.40
毎盒:5 個
Box(es)
85mm 85mm 37mm Polypropylene 85 x 85 x 37mm IP20 - 12 Grey - - - - -
RS庫存編號 616-1353
製造零件編號89540301
BrandSpelsberg
HK$165.31
毎批:3 個
Lot(s)
80mm 80mm 52mm Polystyrene 80 x 80 x 52mm IP65 5 8 - - - - - -
RS庫存編號 884-2271
製造零件編號KF0200G
BrandHENSEL
HK$73.90
單位
93mm 93mm 62mm Polycarbonate 93 x 93 x 62mm IP66/67 - 7 Grey - Knock Out - - -
RS庫存編號 454-971
製造零件編號00872
BrandABB
HK$82.16
單位
153mm 110mm 66mm Thermoplastic 153 x 110 x 66mm IP55 - - Grey - - - - -
RS庫存編號 749-1888
BrandRS PRO
HK$532.76
單位
150mm 80mm 150mm Mild Steel 150 x 80 x 150mm IP66 - - Grey - - - - -
RS庫存編號 122-046
BrandRS PRO
HK$366.69
單位
400mm 200mm 120mm Steel 400 x 200 x 120mm IP66 - - Grey - - - - -
RS庫存編號 704-8444
製造零件編號0 303 26
BrandLegrand
HK$90.83
單位
110mm 110mm 50mm PVC 110 x 110 x 50mm IP40 - - White - - - - -
RS庫存編號 122-125
BrandRS PRO
HK$284.02
單位
200mm 200mm 80mm Steel 200 x 200 x 80mm IP66 - - Grey - - - - -
RS庫存編號 700-0802
製造零件編號COMBI 308/5
BrandWISKA
HK$64.88
/個 (每包:5個)
單位
85mm 85mm 51mm Polypropylene 85 x 85 x 51mm IP66 - 8 Grey - - - - -
RS庫存編號 514-2418
製造零件編號0 920 23
BrandLegrand
HK$70.36
單位
105mm 105mm 55mm Plastic 105 x 105 x 55mm IP55 - 7 Grey - - - - -
RS庫存編號 884-2293
製造零件編號KF3500G
BrandHENSEL
HK$477.28
單位
295mm 225mm 122mm Polycarbonate 295 x 225 x 122mm IP66/67 - 12 Grey - Knock Out - - -
RS庫存編號 842-8324
BrandRS PRO
HK$1,534.45
單位
400mm 200mm 120mm Stainless Steel 400 x 200 x 120mm IP66 - - Unpainted - - - - -
RS庫存編號 842-8493
BrandRS PRO
HK$580.12
單位
150mm 300mm 120mm Steel 150 x 300 x 120mm IP65 - - Grey - - - - -
RS庫存編號 499-5996
製造零件編號KL1508510
BrandRittal
HK$474.42
單位
- 400mm 300mm - - IP66 - - - - - - - -
RS庫存編號 749-1872
BrandRS PRO
HK$2,484.61
單位
300mm 120mm 300mm Stainless Steel 300 x 120 x 300mm IP66 - - Unpainted - - - - -
RS庫存編號 229-0637
製造零件編號06252612.8
BrandRose
HK$2,593.03
單位
120mm 255mm 250mm Glass Fibre Reinforced PET 120 x 255 x 250mm IP66 20 6 Black ATEX - - - -