Home / Product / Industrial Plugs / First Generation Basic Industrial Plug

Waterproof Industrial Plug

Shangfeng is willing to cooperate sincerely with all customers to grow and develop together.

SF-013-4 / SF-023-4 110V Low-Power Voltage Industrial Plug First Generation Basic Industrial Plug

SF-013-4 / SF-023-4 110V Low-Power Voltage Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 122 139
b 59 75
c 51 64
Ø 6 8
Cable nominal cross-section area(mm²) 1-2.5 2.5-6
Current(A):  16A. 32A
Voltage(V): 110-130V~2P+E
Protection degree:  IP44

SF-013 / SF-023 220V EN60309 Standard Current Industrial Plug First Generation Basic Industrial Plug

SF-013 / SF-023 220V EN60309 Standard Current Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 122 139
b 59 75
c 51 64
Ø 6 8
Cable nominal cross-section area(mm²) 1-2.5 2.5-6
Current(A):  16A. 32A
Voltage(V): 220-240V~2P+E
Protection degree:  IP44

SF-014 / SF-024 IP44 380V Industrial Power Plug First Generation Basic Industrial Plug

SF-014 / SF-024 IP44 380V Industrial Power Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 4
Dimension(mm) a 122 139
b 65 75
c 55 64
Ø 6 8
Cable nominal cross-section area(mm²) 1-2.5 2.5-6
Current(A):  16A. 32A
Voltage(V): 380-415V~3P+E
Protection degree:  IP44

SF-015 / SF-025 IP44 Multi-Voltage Industrial Plug First Generation Basic Industrial Plug

SF-015 / SF-025 IP44 Multi-Voltage Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 5
Dimension(mm) a 130 143
b 72 84
c 64 70
Ø 8 8
Cable nominal cross-section area(mm²) 1-2.5 2.5-6
Current(A):  16A. 32A
Voltage(V): 220-380V~/240-415V~3P+N+E
Protection degree:  IP44

SF-033 / SF-043 IP67 Waterproof Industrial Plug First Generation Basic Industrial Plug

SF-033 / SF-043 IP67 Waterproof Industrial Plug

Earth contact position 6h
Rated current(A) 63 125
Pole 3
Dimension(mm) a 231.5 293
b 110 125
c 16-38 30-50
Ø 110 125
Cable nominal cross-section area(mm²) 6-16 16-50
Current(A):  16A. 32A
Voltage(V): 220-240V~2P+E
Protection degree:  IP67

SF-034 / SF-044 Large Current 380V Industrial Plug First Generation Basic Industrial Plug

SF-034 / SF-044 Large Current 380V Industrial Plug

Earth contact position 6h
Rated current(A) 63 125
Pole 4
Dimension(mm) a 231.5 293
b 110 125
c 16-38 30-50
Ø 110 125
Cable nominal cross-section area(mm²) 6-16 16-50
Current(A):  16A. 32A
Voltage(V): 380-415V~3P+E
Protection degree:  IP67

SF-035 / SF-045 High-Power Voltage IP67 Industrial Plug First Generation Basic Industrial Plug

SF-035 / SF-045 High-Power Voltage IP67 Industrial Plug

Earth contact position 6h
Rated current(A) 63 125
Pole 5
Dimension(mm) a 231.5 293
b 110 125
c 16-38 30-50
Ø 110 125
Cable nominal cross-section area(mm²) 6-16 16-50
Current(A):  63A. 125A
Voltage(V): 220-380V~/240-415V~3P+N+E
Protection degree:  IP67

SF-013L-4 / SF-023L-4 IP44 Basic Current Industrial Plug First Generation Basic Industrial Plug

SF-013L-4 / SF-023L-4 IP44 Basic Current Industrial Plug

Earth contact position 4h
Rated current(A) 63 32
Pole 3
Dimension(mm) a 141 178
b 59 75
c 51 64
Ø 8 10
Cable nominal cross-section area(mm²) 1-2.5 2.5-6
Current(A):  63A. 125A
Voltage(V): 110-130V~2P+E
Protection degree:  IP44

SF-013L / SF-023L IP44 Cable Entry Industrial Plug First Generation Basic Industrial Plug

SF-013L / SF-023L IP44 Cable Entry Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 141 178
b 59 75
c 51 64
Ø 8 10
Cable nominal cross-section area(mm²) 1-2.5 2.5-6
Current(A):  16A. 32A
Voltage(V): 220-240V~2P+E
Protection degree:  IP44

SF-014L / SF-024K Safety Series Industrial Plug First Generation Basic Industrial Plug

SF-014L / SF-024K Safety Series Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 4
Dimension(mm) a 141 178
b 65 75
c 55 64
Ø 8 10
Cable nominal cross-section area(mm²) 1-2.5 2.5-6
Current(A):  16A. 32A
Voltage(V): 380-415V~3P+E
Protection degree:  IP44

SF-015L / SF-025L IP44 6h Position Industrial Plug First Generation Basic Industrial Plug

SF-015L / SF-025L IP44 6h Position Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 5
Dimension(mm) a 169 181
b 72 84
c 64 70
Ø 10 10
Cable nominal cross-section area(mm²) 1-2.5 2.5-6
Current(A):  16A. 32A
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 First Generation Basic Industrial Plug suppliers and First Generation Basic Industrial Plug factory, we are mainly engaged in wholesale First Generation Basic Industrial Plug, 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.
Certificate Of Honor
  • Honor
  • Honor
  • Honor
  • Honor
  • Honor
News

Choosing a Basic Industrial Plug: IP44 vs IP67, "Waterproof" Claims, and Why Blue Plugs Stay Popular

Basic industrial plugs still do a lot of heavy lifting. In many factories, rental fleets, and construction sites, the priority isn't fancy features—it's repeatable performance, quick replacement, and a connector that behaves predictably after months of use. That's why "first‑generation" designs remain a go‑to option for buyers balancing uptime and budget.

IP Ratings in Plain English: What Changes Between IP44 and IP67

The biggest real‑world decision usually comes down to the environment.

  • An IP44 Industrial Plug is typically chosen for general indoor use or locations where water exposure is occasional and limited (think splashes, not soaking). It's a common fit for workshops, sheltered plant areas, and routine extension lead setups.
  • An IP67 Industrial Plug is built for dust-tight protection and temporary immersion resistance, which makes it far more suitable for outdoor work, washdown zones, and sites where connectors end up on wet ground or in heavy dust.

In purchasing terms: IP44 often covers "normal day-to-day," while IP67 is the safer bet when conditions are unpredictable and downtime is expensive.

"Waterproof Industrial Plug" — What Buyers Should Check

"Waterproof" is a popular search term, but on-site performance depends on a few practical details:

  • Sealing points: The interface between plug and socket is where leaks usually start.
  • Cable entry design: A good seal at the gland matters as much as the front face.
  • Mating discipline: Even the best Waterproof Industrial Plug won't help if the connection is left partially engaged or the seal is damaged during rough handling.

If the plug will be used outdoors every day, in rain, or near cleaning processes, choosing IP67 and keeping spares on hand is often a smarter lifecycle-cost decision than replacing lower-rated parts repeatedly.

Why a Blue Industrial Plug Is Often the "Default" on Many Sites

blue industrial plug

A Blue Industrial Plug is widely used because it simplifies standardization: crews recognize it quickly, and it commonly aligns with widely adopted single‑phase site power setups in many markets. That visual consistency reduces small mistakes—like grabbing the wrong connector during a hurried equipment change—which is exactly when incidents and delays tend to happen.

If you're outfitting mixed environments, it's often effective to standardize IP44 for protected indoor zones and reserve IP67 for outdoor leads, washdown areas, and dusty workfaces. That approach keeps costs controlled while reducing nuisance failures from moisture ingress and contamination.

At WENZHOU SHANGFENG ELECTRIC CO., LTD, we keep these "basic" connectors genuinely job‑ready—stable production, consistent quality control, and the kind of fast dispatch that helps contractors and maintenance teams avoid schedule slips when replacements are needed quickly.