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Wholesale 16A/32A Industrial Plug

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16/32 Amp Industrial Plug

SFE third‑generation high‑end industrial plugs are engineered for tough conditions where water exposure, dust, and frequent handling are unavoidable. Built with durable Nylon PA66, they deliver stable electrical performance and long service life across a wide range of voltages and currents. Choose the right rating for your job—from a 16A Industrial Plug for lighter equipment to a 32A Industrial Plug for higher-load applications. Selected models can integrate mechanical interlocking to reduce operational mistakes and improve on-site safety. From industrial power distribution to outdoor temporary setups, these plugs provide a rugged, dependable connection with options for special specifications.

_0010_247

SFK-247 SFK-259 SFK-247 / SFK-259 110–130V Low-Voltage Industrial Plug

Earth contact position 4h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 140 173
b 116 144
c 43.5 57
d 38.5 51
e 17.5 25
f 47 62
g 58 80.7
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

_0009_248

SFK-248 / SFK-260 IP44 Splash-Protected 220–240V Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 140 173
b 116 144
c 43.5 57
d 38.5 51
e 17.5 25
f 47 62
g 58 80.7
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

_0008_252

SFK-252 / SFK-264 16A/32A Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 4
Dimension(mm) a 140 173
b 116 144
c 49.5 57
d 43.5 51
e 21.5 25
f 52 62
g 66.7 80.7
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

_0011_3

SFK-3 / SFK-4 Wide Range Strong Voltage Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 5
Dimension(mm) a 144 173
b 121 144
c 56 63.3
d 50 56.5
e 26.5 30.3
f 60 68.7
g 75 89
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

_0003_1226

SFK-1226 IP44 Low-Voltage Rated Safety Industrial Plug

Earth contact position 4h
Rated current(A) 63
Pole 3
Dimension(mm) a 238.9
b 179.4
c 66
d 100.1
e 75.5
f 36.5
g 69.5
Cable nominal cross-section area(mm²) 10-16
Contact us
Current(A):  63A
Voltage(V):  110-130V~2P+E
Protection degree:  IP44

_0002_1227

SFK-1227 63A 6H Position-Keyed Industrial Plug

Earth contact position 6h
Rated current(A) 63
Pole 3
Dimension(mm) a 238.9
b 179.4
c 66
d 100.1
e 75.5
f 36.5
g 69.5
Cable nominal cross-section area(mm²) 10-16
Contact us
Current(A):  63A
Voltage(V):  220-240V~2P+E
Protection degree:  IP44

_0001_1231

SFK-1231 380–415V Three-Phase Industrial Plug

Earth contact position 6h
Rated current(A) 63
Pole 4
Dimension(mm) a 238.9
b 179.4
c 66
d 100.1
e 75.5
f 36.5
g 69.5
Cable nominal cross-section area(mm²) 10-16
Contact us
Current(A):  63A
Voltage(V):  380-415V~3P+E
Protection degree:  IP44

_0000_1235

SFK-1235 Heavy Duty Reinforced Industrial Plug

Earth contact position 6h
Rated current(A) 63
Pole 5
Dimension(mm) a 238.9
b 179.4
c 66
d 100.1
e 75.5
f 36.5
g 69.5
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

_0007_277

SFK-277 / SFK-289 IP67 Waterproof 16A/32A Industrial Plug

Earth contact position 4h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 138 170
b 115 141
c 24.7 32.5
d 70.2 93.3
e 38.3 51
f 17.5 25
g 47 62.2
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:  IP67

_0006_278

SFK-278 / SFK-290 2P+E Grounded Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 138 170
b 115 141
c 24.7 32.5
d 70.2 93.3
e 38.3 51
f 17.5 25
g 47 62.2
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:  IP67

_0005_282

SFK-282 / SFK-294 High-Voltage 380–415V Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 4
Dimension(mm) a 144 170
b 120.5 141
c 25.2 32.5
d 78 93.3
e 43.8 51
f 21.5 25
g 52.2 62.2
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:  IP67

_0004_288

SFK-288 / SFK-300 IP67 Full-Sealed High Voltage Rated Industrial Plug

Earth contact position 6h
Rated current(A) 16 32
Pole 5
Dimension(mm) a 144 177
b 120.5 148
c 25.2 32.5
d 87 101
e 50.2 56.5
f 26.5 30.3
g 60 68.7
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:  IP67

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 Third Generation High-end Industrial Plug suppliers and Third Generation High-end Industrial Plug factory, we are mainly engaged in wholesale Third Generation High-end 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.
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News

Industry Knowledge: How to Choose the Right Current Rating for Third‑Generation Industrial Plugs

Selecting a plug in the "third‑generation" class is often about one thing: reliable power in environments that punish connectors. Here's a practical way to choose the right amperage and reduce failures in the field.

Match amp rating to the real load (not the label)

  • A 16 Amp Industrial Plug typically suits portable tools, smaller pumps, site lighting, and temporary power where peak load is controlled.
  • A 32 Amp Industrial Plug is a common step up for heavier-duty equipment and longer duty cycles.
  • A 63 Amp Industrial Plug is usually reserved for higher-power distribution points, larger machinery, and applications where sustained current and heat management matter.

16/32/63 Amp Industrial Plug

Why waterproof protection and material choice matter

High water resistance helps prevent tracking, corrosion, and contact contamination—especially outdoors, in wash-down areas, or near marine/utility sites. Nylon PA66 adds mechanical strength and dimensional stability, supporting consistent clamping and sealing performance over time.

Safety features that reduce misuse

In busy sites, connection errors happen. Mechanical interlocking on certain configurations can help prevent unsafe plug/unplug actions under incorrect conditions, supporting better operational discipline and reducing downtime.

Application fit: industrial to outdoor power

Third‑generation plugs are used not only in factories and construction, but also for temporary power systems and controlled outdoor setups (including camping power distribution), particularly when a rugged connector and stable contact performance are priorities.