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Blue Industrial Socket

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Panel-Mounted Straight Socket

Designed for switchboards, distribution boxes, and machine panels, our Panel-Mounted Straight Socket series delivers a clean front‑panel finish with dependable power connections for industrial environments. Options cover 16A/32A and 63A ranges, with common configurations from 2P+E to 3P+N+E, plus 4h/6h earth positions to help prevent incorrect mating. For harsher sites, IP‑rated versions support dust and water exposure without compromising fit or service access. If you need a consistent look across enclosures, a Blue Industrial Socket variant is available for easy identification and faster maintenance. OEM and parameter‑based customization are supported.

SFK-1365 / SFK-1394 2P+E Low-Voltage Panel-Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-1365 / SFK-1394 2P+E Low-Voltage Panel-Mounted Straight Socket

Earth contact position 6h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 75 75
b 75 75
c 60 60
d 60 60
e 5.5 5.5
f 31.8 40.8
g 8 8
g1 2 2
h 91 101.8
i 45 58
j 51.2 63
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-1366 / SFK-1395 Nominal Voltage Panel Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-1366 / SFK-1395 Nominal Voltage Panel Mounted Straight Socket

Earth contact position 6h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 75 75
b 75 75
c 60 60
d 60 60
e 5.5 5.5
f 31.8 40.8
g 8 8
g1 2 2
h 91 101.8
i 45 58
j 51.2 63
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-1390 / SFK-1399 High Voltage Panel Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-1390 / SFK-1399 High Voltage Panel Mounted Straight Socket

Earth contact position 6h
Rated current(A) 16 32
Pole 4
Dimension(mm) a 75 75
b 75 75
c 60 60
d 60 60
e 5.5 5.5
f 32.2 40.8
g 8 8
g1 2 2
h 92.4 101.8
i 52 58
j 51.1 63
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-1385 / SFK-3451 Extended Voltage Range Panel-Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-1385 / SFK-3451 Extended Voltage Range Panel-Mounted Straight Socket

Earth contact position 6h
Rated current(A) 16 32
Pole 5
Dimension(mm) a 75 75
b 75 75
c 60 60
d 60 60
e 5.5 5.5
f 31.1 39.8
g 8 8
g1 2 2
h 97.2 111.7
i 55 62
j 52.7 62.2
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-1260 63A Reduced Voltage Panel Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-1260 63A Reduced Voltage Panel Mounted Straight Socket

Earth contact position 4h
Rated current(A) 63
Pole 3
Dimension(mm) a 107
b 100
c 86
d 78
e 6
f 55
g 12
g1 2
h 113
i 89
j 80
Cable nominal cross-section area(mm²) 10-16

Contact us
Current(A):  63A
Voltage(V):  110-130V~2P+E
Protection degree:  IP44

SFK-1261 220–240V Panel Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-1261 220–240V Panel Mounted Straight Socket

Earth contact position 6h
Rated current(A) 63
Pole 3
Dimension(mm) a 107
b 100
c 86
d 78
e 6
f 55
g 12
g1 2
h 113
i 89
j 80
Cable nominal cross-section area(mm²) 10-16

Contact us
Current(A):  63A
Voltage(V):  220-240V~2P+E
Protection degree:  IP44

SFK-1248 Large Cable Size Entry Panel-Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-1248 Large Cable Size Entry Panel-Mounted Straight Socket

Earth contact position 6h
Rated current(A) 63
Pole 4
Dimension(mm) a 107
b 100
c 86
d 78
e 6
f 55
g 12
g1 2
h 113
i 89
j 80
Cable nominal cross-section area(mm²) 10-16

Contact us
Current(A):  63A
Voltage(V):  380-415V~3P+E
Protection degree:  IP44

SFK-1252 IP44 63A 6H Panel Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-1252 IP44 63A 6H Panel Mounted Straight Socket

Earth contact position 6h
Rated current(A) 63
Pole 5
Dimension(mm) a 107
b 100
c 86
d 78
e 6
f 55
g 12
g1 2
h 113
i 89
j 80
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

SFK-217 / SFK-229 4H 2P+E Panel Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-217 / SFK-229 4H 2P+E Panel Mounted Straight Socket

Earth contact position 4h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 75 75
b 75 75
c 60 60
d 60 60
e 5.5 5.5
f 31.8 40.8
g 8 8
g1 2 2
h 79.6 107.7
i 45 58
j 54.8 66.3
k 71.7 95.5
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

SFK-218 / SFK-230 220–240V 6H Panel Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-218 / SFK-230 220–240V 6H Panel Mounted Straight Socket

Earth contact position 6h
Rated current(A) 16 32
Pole 3
Dimension(mm) a 75 75
b 75 75
c 60 60
d 60 60
e 5.5 5.5
f 31.8 40.8
g 8 8
g1 2 2
h 79.6 107.7
i 45 58
j 54.8 66.3
k 71.7 95.5
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

SFK-222 / SFK-234 Three-Phase Panel Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-222 / SFK-234 Three-Phase Panel Mounted Straight Socket

Earth contact position 6h
Rated current(A) 16 32
Pole 4
Dimension(mm) a 75 75
b 75 75
c 60 60
d 60 60
e 5.5 5.5
f 32.2 40.8
g 8 8
g1 2 2
h 85.3 107.7
i 52 58
j 54.6 66.3
k 80.6 95.5
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

SFK-228 / SFK-240 3P+N+E Power Panel Mounted Straight Socket Third Generation High-end Pannel Mounted Straight socket

SFK-228 / SFK-240 3P+N+E Power Panel Mounted Straight Socket

Earth contact position 6h
Rated current(A) 16 32
Pole 5
Dimension(mm) a 75 75
b 75 75
c 60 60
d 60 60
e 5.5 5.5
f 32.2 40.8
g 8 8
g1 2 2
h 92.9 106
i 55 62
j 58.5 67.9
k 89 102
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 Pannel Mounted Straight socket suppliers and Pannel Mounted Straight socket factory, we are mainly engaged in wholesale Pannel Mounted Straight socket, 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

Panel-Mounted Straight Socket Selection Guide: Voltage, Poles, IP Rating, and 4h/6h Keying

Panel connectors live in the real world: vibration, tight cabinet space, hurried maintenance, and occasional "someone plugged the wrong thing in." A well-chosen Panel-Mounted Straight Socket reduces downtime by making connections mechanically correct, electrically compatible, and easy to service from the front of an enclosure. Below is a practical checklist used by many OEM builders and plant electricians when specifying panel sockets.

Start with the application: where the socket is mounted

Panel-mounted sockets are typically installed on:

  • Control cabinets and distribution boards
  • Generator and temporary power panels
  • Skids, welding sets, compressors, and mobile equipment

A straight panel format is often preferred when you want predictable cable routing inside the enclosure and a tidy external interface.

Electrical matching: current, voltage, and pole count

Choosing the right rating is more than compliance—it's reliability under load.

  • 16A / 32A: common for general industrial outlets, tools, and auxiliary circuits
  • 63A: common for higher-power feeds and compact distribution points

Then confirm the conductor needs:

  • 2P+E (3 poles) for single‑phase circuits
  • 3P+E (4 poles) for three‑phase without neutral
  • 3P+N+E (5 poles) when a neutral is required for mixed loads or controls

Selecting the wrong pole layout is one of the fastest ways to create wiring compromises inside a cabinet (and nobody enjoys those).

4h vs 6h earth position: the built-in "wrong-plug prevention"

The 4h/6h earth contact position is a mechanical keying method widely used to reduce mismating between systems.

  • Use the same clock position across a site whenever possible
  • Treat clock position as a safety feature, not a cosmetic detail

Standardizing 6h for general use and reserving 4h for specific supplies can simplify training and reduce errors during maintenance.

IP rating and environment: choose protection that matches reality

For panel interfaces exposed to dust, humidity, or washdown practices, IP rating matters.

  • IP44 typically suits indoor industrial areas with occasional splashes
  • Higher IP options (e.g., IP67 in your range) suit wet zones, outdoor panels, and frequent cleaning

In practice, the right IP level helps prevent corrosion on contacts and avoids intermittent faults that are painful to diagnose.

Installation fit: dimensions and cable cross-section

Panel products succeed or fail on mechanics:

  • Confirm cutout/face dimensions early to avoid rework on enclosures
  • Match the socket to the cable nominal cross‑section area used on the build

If your wiring team uses multiple cable sizes, "large cable entry" variants can reduce SKU complexity

Why "Blue" matters: faster identification and safer maintenance

Color coding isn't just branding. A Blue Industrial Socket on a panel can:

  • Speed up correct selection during shutdowns
  • Help separate circuits by voltage/system in mixed installations
  • Make training easier for contractors rotating on and off site
  • Consistency across panels is what turns color from "nice" into "useful."

A dependable Panel-Mounted Straight Socket is chosen by matching current + poles + voltage, confirming 4h/6h keying, and selecting an IP rating that reflects the environment—not the brochure. Add consistent color coding such as a Blue Industrial Socket option, and your cabinets become easier to service, harder to misuse, and simpler to standardize across projects.