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Industrial Socket Supplier

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Outdoor Industrial Socket

SFE industrial sockets are designed to deliver steady, safe power in tough working environments such as manufacturing plants, maintenance areas, and temporary site distribution. The lineup includes four installation-friendly options—Concealed Direct, Concealed Inclined, Surface Mount sockets, plus compatible Connectors—so electricians can match the socket style to the cabinet, wall, or power board layout. Built with rugged Nylon PA66 housings, they’re made to tolerate heat, impact, and daily industrial handling, while water and dust resistance helps protect the connection in the field. Looking for an Outdoor Industrial Socket or a project-specific configuration? As an experienced Industrial Socket Supplier, our industrial socket factory supports customization based on customer drawings and parameters.

SFK-856 IP44 Wall-Mounted Industrial Socket for Low Voltage Third Generation High-end Wall Mounted Industrial Socket

SFK-856 IP44 Wall-Mounted Industrial Socket for Low Voltage

Earth contact position 4h
Rated current(A) 63
Pole 3
Dimension(mm) a 25°
b 216
c 169
d 171
e 108
f 136
g 133
M M40
M A M40 plug cuttable
Cable nominal cross-section area(mm²) 10-16
Contact us
Current(A):  63A,125A
Voltage(V):  110-130V~2P+E
Protection degree:  IP67

SFK-128 / SFK-1381 6H Position-Keyed Wall Mounted Industrial Socket Third Generation High-end Wall Mounted Industrial Socket

SFK-128 / SFK-1381 6H Position-Keyed Wall Mounted Industrial Socket

Earth contact position 6h
Rated current(A) 63 125
Pole 3
Dimension(mm) a 25° 25°
b 216 313
c 169 203
d 171 264
e 108 140
f 136 163
g 133 240
M M40 M50
M A M40 plug cuttable A M50 plug cuttable
Cable nominal cross-section area(mm²) 10-16 25-35
Contact us
Current(A):  63A,125A
Voltage(V):  220-240V~2P+E
Protection degree:  IP67

SFK-132 / SFK-139 High Voltage Three-Phase Industrial Socket Third Generation High-end Wall Mounted Industrial Socket

SFK-132 / SFK-139 High Voltage Three-Phase Industrial Socket

Earth contact position 6h
Rated current(A) 63 125
Pole 4
Dimension(mm) a 25° 25°
b 216 313
c 169 203
d 171 264
e 108 140
f 136 163
g 133 240
M M40 M50
M A M40 plug cuttable A M50 plug cuttable
Cable nominal cross-section area(mm²) 10-16 25-35
Contact us
Current(A):  63A,125A
Voltage(V):  380-410V~3P+E
Protection degree:  IP67

SFK-136 / SFK-143 Large Current Capacity Wall Mounted Industrial Socket Third Generation High-end Wall Mounted Industrial Socket

SFK-136 / SFK-143 Large Current Capacity Wall Mounted Industrial Socket

Earth contact position 6h
Rated current(A) 63 125
Pole 5
Dimension(mm) a 25° 25°
b 216 313
c 169 203
d 171 264
e 108 140
f 136 163
g 133 240
M M40 M50
M A M40 plug cuttable A M50 plug cuttable
Cable nominal cross-section area(mm²) 10-16 25-35
Contact us
Current(A):  63A,125A
Voltage(V):  220-380V~/240-415V~3P+N+E
Protection degree:  IP67

SFK-509 / SFK-521 IP44 Safe Voltage Industrial Connector Third Generation High-end Industrial Connectors

SFK-509 / SFK-521 IP44 Safe Voltage Industrial Connector

Earth contact position 4h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 155 195.9
b 81 102.7
c 51.1 64.2
d 49.5 64.2
e 86 101.8
f 34.7 37
g 57 71.2
Cable nominal cross-section area(mm²) 1.5-2.5 4-6
Contact us
Current(A):  16A,32A
Voltage(V):  110-130V~2P+E
Protection degree:  IP44

SFK-510 / SFK-522 220–240V Industrial Connector Third Generation High-end Industrial Connectors

SFK-510 / SFK-522 220–240V Industrial Connector

Earth contact position 6h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 155 195.9
b 81 102.7
c 51.1 64.2
d 49.5 64.2
e 86 101.8
f 34.7 37
g 57 71.2
Cable nominal cross-section area(mm²) 1.5-2.5 4-6
Contact us
Current(A):  16A,32A
Voltage(V):  220-240V~2P+E
Protection degree:  IP44

SFK-514 / SFK-526 High-Tension 380–415V Industrial Connector Third Generation High-end Industrial Connectors

SFK-514 / SFK-526 High-Tension 380–415V Industrial Connector

Earth contact position 6h
Rated current(A) 16 32
Pole 4
Dimension(mm) a 155 195.9
b 81 102.7
c 51.2 64.2
d 55.7 64.2
e 90.4 101.8
f 37 37
g 61.2 71.2
Cable nominal cross-section area(mm²) 1.5-2.5 4-6
Contact us
Current(A):  16A,32A
Voltage(V):  380-415V~3P+E
Protection degree:  IP44

SFK-5 / SFK-6 Wide-Range Voltage Industrial Connector Third Generation High-end Industrial Connectors

SFK-5 / SFK-6 Wide-Range Voltage Industrial Connector

Earth contact position 6h
Rated current(A) 16 32
Pole 4
Dimension(mm) a 160 195
b 86 103.2
c 51 62.8
d 63 70.8
e 97.2 104.9
f 37 37
g 75.5 80
Cable nominal cross-section area(mm²) 1.5-2.5 4-6
Contact us
Current(A):  16A,32A
Voltage(V):  220-380V~/240-415V~3P+N+E
Protection degree:  IP44

SFK-1236 Large-Diameter Cable Entry Industrial Connector Third Generation High-end Industrial Connectors

SFK-1236 Large-Diameter Cable Entry Industrial Connector

Earth contact position 4h
Rated current(A) 63
Pole 3
Dimension(mm) a 257
b 112.5
c 85
d 77.4
e 108
f 34
g 92
Cable nominal cross-section area(mm²) 10-16
Contact us
Current(A):  16A,32A
Voltage(V):  110-130V~2P+E
Protection degree:  IP44

SFK-1237 Electrical 220–240V Industrial Connector Third Generation High-end Industrial Connectors

SFK-1237 Electrical 220–240V Industrial Connector

Earth contact position 6h
Rated current(A) 63
Pole 3
Dimension(mm) a 257
b 112.5
c 85
d 77.4
e 108
f 34
g 92
Cable nominal cross-section area(mm²) 10-16
Contact us
Current(A):  63A
Voltage(V):  220-240V~2P+E
Protection degree:  IP44

SFK-1241 IP44 High Voltage Industrial Connector Third Generation High-end Industrial Connectors

SFK-1241 IP44 High Voltage Industrial Connector

Earth contact position 6h
Rated current(A) 63
Pole 4
Dimension(mm) a 257
b 112.5
c 85
d 77.4
e 108
f 34
g 92
Cable nominal cross-section area(mm²) 10-16
Contact us
Current(A):  63A
Voltage(V):  380-415V~3P+E
Protection degree:  IP44

SFK-1245 IP44 Electrical Safety Industrial Connector Third Generation High-end Industrial Connectors

SFK-1245 IP44 Electrical Safety Industrial Connector

Earth contact position 6h
Rated current(A) 63
Pole 5
Dimension(mm) a 257
b 112.5
c 85
d 77.4
e 108
f 34
g 92
Cable nominal cross-section area(mm²) 10-16
Contact us
Current(A):  63A
Voltage(V):  220-380V~/240-415V~3P+N+E
Protection degree:  IP44

About
Wenzhou Shangfeng Electric Co.,Ltd.
Wenzhou Shangfeng Electric Co.,Ltd.
Wenzhou Shangfeng Electric Co.,Ltd. is located in Liushi, the "Chinese Electrical Capital", adjacent to the Yongtaiwen Expressway and National Highway 104, the largest port in Wenzhou - Qili Port in the south, and the Wenzhou Airport and Railway Station in the west. The sea, land, and air transportation is very convenient.
As China Industrial Sockets suppliers and Industrial Sockets factory, we are mainly engaged in wholesale Industrial Sockets, The company has introduced advanced technology and equipment, passed the ISO9001 international quality system, China Quality Certification Center CQC certification, and obtained the European Community CE safety certification, ROHS environmental protection directive certification, and continuously introduced senior technical personnel and enterprise management personnel, and has gradually acquired production technology. The company specializes in producing industrial plugs, sockets, couplers (connectors), nylon cable ties, and other products. The company strictly follows international standards such as IEC60309, EN60309, and CEE17 and national standards such as GB11918 and GB11919. The product design is unique and the structure is reasonable.
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News

Industrial Sockets in Harsh Conditions: How to Choose Mounting Type, IP Protection, and the Right Standards

On paper, an industrial socket is just a connection point. On a real site—wet floors, airborne dust, constant plug changes—the wrong choice shows up fast: loose connections, damaged housings, or maintenance callouts that shouldn't have happened. A practical selection process starts with how the socket will be installed, then checks environmental protection and standards compliance, especially for projects that move across regions.

1) Match the Socket Style to the Installation

Different installations create different failure risks, so the mounting style is more than a cosmetic choice.

  • Concealed Direct is a strong fit when you want a flush finish and clean cable routing inside the wall or panel.
  • Concealed Inclined makes day‑to‑day use easier where operators plug and unplug often, improving access and reducing cable strain.
  • Surface Mount works well for retrofits and service areas where you can't (or don't want to) open walls or cabinets for internal routing.
  • Connectors are the go‑to for extension leads, portable tools, and modular distribution where equipment is frequently relocated.

For temporary boards and outdoor distribution, the best option is usually the one that keeps the connection protected and easy to handle—not simply the one that fits the cutout.

2) Outdoor Applications: Focus on Sealing and Abuse, Not Just "Waterproof"

Choosing an Outdoor Industrial Socket is mostly about what the site will do to it:

  • Water exposure (rain, spray, washdown) and fine dust often justify stepping up protection performance.
  • The cable entry—gland, clamp, and sealing—matters as much as the front interface.
  • On construction sites, impact and crushing are common, so mechanical toughness becomes part of electrical reliability.

Materials such as Nylon PA66 are popular in industrial enclosures for good reason: they handle impact, heat, and long-term wear better than lighter-duty plastics in many everyday field conditions.

3) Standards: Why IEC/EN 60309 Keeps Procurement Simple

If your equipment is shared across contractors or sourced internationally, standards alignment reduces mismatch risk and simplifies spares. Sockets designed around IEC60309 / EN60309 (CEE17) expectations generally support consistent mating and identification practices used across many industrial markets. For projects that require China domestic documentation, compliance with GB11918 / GB11919 can also be important for acceptance and audits.

4) Customization: What Buyers Commonly Specify (and Why)

A reliable Industrial Socket Supplier is often judged by how well they support real installation constraints, not just catalog models. Typical project requests include:

  • Pin layout, voltage identification, and current rating choices
  • Cable entry direction and gland options to match panels and distribution boxes
  • Marking, labeling, or private branding for faster on-site identification
  • Project-based packaging or kitting to speed up installation and reduce missing parts

As an Industrial Socket Factory, SFE (WENZHOU SHANGFENG ELECTRIC CO., LTD) supports product customization based on customer parameters and application requirements—helping OEMs and contractors keep socket selection consistent across sites while meeting harsh-environment demands.