UK series universal screw terminal blocks

Additional information

Place of Origin

Zhejiang,China

Model Number

DIK-1.5, MBK3, MBKKB-2.5, MBKKB-2.5-LA, MTKP-P, UDK4, UIK-35N, UK-1.5N, UK-10N, UK-10RD, UK-150N, UK-16N, UK-2.5B, UK-240N, UK-25N, UK-35N, UK-3N, UK-50N, UK-5N, UK-5NTWIN, UK-6N, UK-95N, UK5-HESI, UKK3, UKK5, URTK-4S, URTK-6S, USLKG-10, USLKG-16, USLKG-2.5, USLKG-3, USLKG-35, USLKG-5, USLKG-50, USLKG-6, USLKG-95

Color

black, green, grey

Mounting

Din rail

Material of Shell

Nylon PA66

Metal Material

brass conductor

The UK showcases a full range of models

MBK3

MBK3

Model
MBK3
Special color
Gray
Rated Current
32A
Voltage
400V
Length/Width/High
28mmx31.5mmx5.2mm
Stripping length
8mm
End Plate
D-MBK3/5
Center-type jumper
FB1 10-5
Casing material
PA66
Screw specifications
M3

MBKKB-2.5

MBKKB-2.5

Model
MBKKB-2.5
Special color
Gray
Rated Current
24A
Voltage
400V
Length/Width/High
62mmx48mmx5.2mm
Stripping length
7mm
End Plate
MBKKB2.5
Center-type jumper
FBRN1 10-5
Casing material
PA66
Screw specifications
M3

MBKKB-2.5-LA

Model
MBKKB-2.5-LA
Special color
Gray
Rated Current
24A
Voltage
400V
Length/Width/High
62mmx48mmx5.2mm
Stripping length
7mm
End Plate
MBKKB2.5
Center-type jumper
FBRN1 10-5
Casing material
PA66
Screw specifications
M3

UK-1.5N

UK-1.5N

Model
UK-1.5N
Special color
Gray
Rated Current
17.5A
Voltage
400V
Length/Width/High
42.5mmx42mmx4.2mm
Stripping length
7mm
End Plate
D-UK 1.5N
Center-type jumper
Fb1 10-4
Casing material
PA66
Screw specifications
M2

UK-2.5B

UK-2.5B

Model
UK-2.5B
Special color
Gray
Rated Current
32A
Voltage
400V
Length/Width/High
42.5mmx42mmx6.2mm
Stripping length
8mm
End Plate
D-UK 2.5N
Center-type jumper
Fb1 10-6
Casing material
PA66
Screw specifications
M3

UK-3N

UK-3N

Model
UK-3N
Special color
Gray
Rated Current
32A
Voltage
400V
Length/Width/High
42.5mmx47mmx5.2mm
Stripping length
8mm
End Plate
D-UK 4/10
Center-type jumper
Fb1 10-5
Casing material
PA66
Screw specifications
M3

UK-5N

UK-5N

Model
UK-5N
Special color
Gray
Rated Current
41A
Voltage
400V
Length/Width/High
42.5mmx47mmx6.2mm
Stripping length
8mm
End Plate
D-UK 4/10
Center-type jumper
Fb1 10-6
Casing material
PA66
Screw specifications
M3

UK-6N

UK-6N

Model
UK-6N
Special color
Gray
Rated Current
57A
Voltage
800V
Length/Width/High
42.5mmx47mm8.2mm
Stripping length
10mm
End Plate
D-UK 4/10
Center-type jumper
Fb1 10-8
Casing material
PA66
Screw specifications
M4

UK-10N

UK-10N

Model
UK-10N
Special color
Gray
Rated Current
76A
Voltage
800V
Length/Width/High
42.5mmx47mm10.2mm
Stripping length
12mm
End Plate
D-UK 4/10
Center-type jumper
FB1 10-10
Casing material
PA66
Screw specifications
M4

UK-16N

UK-16N

Model
UK-16N
Special color
Gray
Rated Current
101A
Voltage
800V
Length/Width/High
42.5mmx47mm12.2mm
Stripping length
14mm
End Plate
D-UK 16
Center-type jumper
FB1 10-12
Casing material
PA66
Screw specifications
M4

UK-25N

UK-25N

Model
UK-25N
Special color
Gray
Rated Current
110A
Voltage
800V
Length/Width/High
42.5mmx47mm14.2mm
Stripping length
14mm
End Plate
D-UK 25
Center-type jumper
FB1 10-14
Casing material
PA66
Screw specifications
M4

UK-35N

UK-35N

Model
UK-35N
Special color
Gray
Rated Current
125A
Voltage
800V
Length/Width/High
51.2mmx62mm15.2mm
Stripping length
16mm
Enclosed housing
 no end plates required
Center-type jumper
FB1 12-15/FB1 13-15
Casing material
PA66
Screw specifications
M6

UIK-35N

Model
UIK-35N
Special color
Gray
Rated Current
125A
Voltage
800V
Length/Width/High
55mmx51mmx16mm
Stripping length
16mm
Enclosed housing
no end plates required
Center-type jumper
FB1 12-15/FB1 13-15
Casing material
PA66
Screw specifications
M6

UK-50N

UK-50N

Model
UK-50N
Special color
Gray
Rated Current
150A
Voltage
800V
Length/Width/High
70.5mmx83.5mmx20.1mm
Stripping length
24mm
Enclosed housing
no end plates required
Center-type jumper
FB1 2-20/FB1 3-20
Casing material
PA66
Screw specifications
M6

UK-95N

UK-95N

Model
UK-95N
Special color
Gray
Rated Current
232A
Voltage
1000V
Length/Width/High
83mmx97.5mmx25.2mm
Stripping length
33mm
Enclosed housing
no end plates required
Center-type jumper
EB1 2-25/EB1 3-25
Casing material
PA66
Screw specifications
M8

UK-150N

UK-150N

Model
UK-150N
Special color
Gray
Rated Current
309A
Voltage
1000V
Length/Width/High
100mmx119mmx31mm
Stripping length
40mm
Enclosed housing
no end plates required
Center-type jumper
EB1 2-31/EB1 3-31
Casing material
PA66
Screw specifications
M10

UK-240N

UK-240N

Model
UK-240N
Special color
Gray
Rated Current
415A
Voltage
1000V
Length/Width/High
101mmx125mmx36mm
Stripping length
40mm
Enclosed housing
no end plates required
Center-type jumper
EB1 2-36/EB1 3-36
Casing material
PA66
Screw specifications
M10

UDK4

UDK4

Model
UDK4
Special color
Gray
Rated Current
32A
Voltage
800V
Length/Width/High
63.5mmx47mmx6.2mm
Stripping length
8mm
Enclosed housing
no end plates required
Center-type jumper
FB1 10-6
Casing material
PA66
Screw specifications
M3

MTKP-P

Model
MTKP-P
Special color
Gray
Rated Current
16A
Voltage
800V
Length/Width/High
46mmx51.5mmx5.2mm
Stripping length
7mm
End plate
D-MTK
Center-type jumper
EBL 2-5/EBL 3-5
Casing material
PA66
Screw specifications
M3

UKK3

UKK3

Model
UUK3
Special color
Gray
Rated Current
32A
Voltage
800V
Length/Width/High
56mmx62mmx5.2mm
Stripping length
8mm
End plate
D-UKK 3/5
Center-type jumper
FB1 10-5/FB1 10-6
Casing material
PA66
Screw specifications
M3

UKK5

UKK5

Model
UUK5
Special color
Gray
Rated Current
32A
Voltage
800V
Length/Width/High
56mmx62mmx6.2mm
Stripping length
8mm
End plate
D-UKK 3/5
Center-type jumper
FB1 10-6
Casing material
PA66
Screw specifications
M3

URTK-4S

Model
URTK-4S
Special color
Gray
Rated Current
57A
Voltage
800V
Length/Width/High
42.5mmx50mmx8.2mm
Stripping length
10mm
End plate
D-URTK/S
Center-type jumper
FB10-URTK/S
Casing material
PA66
Screw specifications
M4

URTK-6S

Model
URTK-6S
Special color
Gray
Rated Current
57A
Voltage
800V
Length/Width/High
72.5mmx50mmx8.2mm
Stripping length
10mm
End plate
D-URTK/S
Center-type jumper
FB10-URTK/S
Casing material
PA66
Screw specifications
M4

UK5-HESI

UK5-HESI

Model
UK5-HESI
Special color
Gray
Rated Current
6.3A
Voltage
800V
Length/Width/High
72.5mmx56.5mmx8.2mm
Stripping length
8mm
Enclosed housing
no end plates required
Center-type jumper
EB 2-8/3-8/10-8
Casing material
PA66
Screw specifications
M3

UK-10RD

UK-10RD

Model
UK-10RD
Special color
Gray/Black
Rated Current
10A
Voltage
800V
Rigid Conductor
0.5-16mm²
Flexible Conductor
0.5-16mm²
Length/Width/High
62mmx59mmx12mm
Stripping length
11mm
Casing material
PA66
Screw specifications
M4

USLKG-2.5

USLKG-2.5

Model
USLKG-2.5
Special color
yellow-green
Rated Current
32A
Voltage
800V
Rigid Conductor
0.2-4mm²
Flexible Conductor
0.2-2.5mm²
Length/Width/High
43.5mmx41mmx6.2mm
Stripping length
7mm
Casing material
PA66
Screw specifications
M3

USLKG-3

USLKG-3

Model
USLKG-3
Special color
yellow-green
Rated Current
32A
Voltage
800V
Rigid Conductor
0.2-4mm²
Flexible Conductor
0.2-2.5mm²
Length/Width/High
42.5mmx42mmx5.2mm
Stripping length
7mm
Casing material
PA66
Screw specifications
M3

USLKG-5

USLKG-5

Model
USLKG-5
Special color
yellow-green
Rated Current
41A
Voltage
800V
Rigid Conductor
0.2-4mm²
Flexible Conductor
0.2-4mm²
Length/Width/High
42.5mmx47mmx6.2mm
Stripping length
9mm
Casing material
PA66
Screw specifications
M3

USLKG-6

USLKG-6

Model
USLKG-6
Special color
yellow-green
Rated Current
57A
Voltage
800V
Rigid Conductor
0.2-10mm²
Flexible Conductor
0.2-6mm²
Length/Width/High
42.5mmx47mmx8.2mm
Stripping length
10mm
Casing material
PA66
Screw specifications
M4

USLKG-10

USLKG-10

Model
USLKG-10
Special color
yellow-green
Rated Current
76A
Voltage
800V
Rigid Conductor
0.5-10mm²
Flexible Conductor
0.5-6mm²
Length/Width/High
42.5mmx47mmx10.2mm
Stripping length
10mm
Casing material
PA66
Screw specifications
M4

USLKG-16

USLKG-16

Model
USLKG-16
Special color
yellow-green
Rated Current
101A
Voltage
800V
Rigid Conductor
2.5-25mm²
Flexible Conductor
4-16mm²
Length/Width/High
42.5mmx54mmx12.2mm
Stripping length
11mm
Casing material
PA66
Screw specifications
M4

USLKG-35

USLKG-35

Model
USLKG-35
Special color
yellow-green
Rated Current
125A
Voltage
800V
Rigid Conductor
0.75-50mm²
Flexible Conductor
0.75-30mm²
Length/Width/High
50mmx62mmx15.2mm
Stripping length
15mm
Casing material
PA66
Screw specifications
M6

USLKG-50

USLKG-50

Model
USLKG-50
Special color
yellow-green
Rated Current
150A
Voltage
800V
Rigid Conductor
16-50mm²
Flexible Conductor
25-50mm²
Length/Width/High
71mmx83.5mmx20mm
Stripping length
24mm
Casing material
PA66
Screw specifications
M6

USLKG-95

Model
USLKG-95
Special color
Yellow-Green
Rated Current
232A
Voltage
800V
Length/Width/High
71mmx99mmx25mm
Stripping length
30mm
Rigid Conductor
25-95mm²
Flexible Conductor
35-95mm²
Casing material
PA66
Screw specifications
M8

UK-5NTWIN

Model
UK-5NTWIN
Special color
Grey
Rated Current
32A
Voltage
800V
Length/Width/High
50.5mmx47mmx6.5mm
Stripping length
8mm
Rigid Conductor
0.2-10mm²
Flexible Conductor
0.2-4mm²
Casing material
PA66
Screw specifications
M3

DIK-1.5

Model
DIK-1.5
Special color
Grey
Rated Current
30A
Voltage
800V
Length/Width/High
73mmx54mmx6.2mm
Stripping length
8mm
Rigid Conductor
0.2-4mm²
Flexible Conductor
0.2-2.5mm²
Casing material
PA66
Screw specifications
M3

Why Choose Shengling UK Series Screw Terminal Blocks?

For UK series screw terminal blocks, Shengling optimizes the classic design to achieve a balance of versatility, reliability, and ease of installation. These terminals are suitable for a wide range of control and power distribution applications.

Key advantages:

  • Secure connection: Screw-clamp design ensures firm and vibration-resistant contact
  • High versatility: Multiple sizes fit different wire ranges and applications
  • Flexible assembly: Easily mounted and combined on DIN rails
  • Safe and durable: Quality conductive materials with strong insulation
  • Neat wiring: Compact design with clear layout for easier maintenance

 

Product Details

The range of heat and cold protection for UK terminal blocks.

UK terminal blocks are typically straight-through terminals commonly found in industrial control cabinets. Their typical operating temperature range is approximately -60°C to 110°C (including self-heating).

Some models may specify a wider environmental range for storage/transportation; however, the specific model’s datasheet should be consulted for accurate specifications. Their main advantages are reliable wiring, good insulation, easy installation and maintenance, and suitability for modular and scalable cabling solutions.

Key advantages of the UK

The robust connection provides reliable electrical contact, making it suitable for industrial environments.

The insulated housing helps reduce the risk of short circuits and electric shock.

Installation and maintenance are relatively easy, with faster wiring replacement, expansion, and troubleshooting.

Highly modular, it is suitable for DIN rail control cabinets, resulting in neater wiring.

It is generally more stable in vibration environments than simple splicing methods, making it suitable for industrial automation applications.

Is the UK wiring method difficult?

The wiring method for UK terminal blocks is not difficult. It’s generally a “screw-tightening” structure. Normally, as long as the wire stripping length is appropriate,

 The wire is fully inserted, and the screw is tightened; it’s fine. Its operation logic is quite intuitive, making it suitable for on-site assembly and later wiring modifications. If it’s your first time using it, the most common problem isn’t “not knowing how to connect,” but rather stripping the wire too short, not inserting it fully, or using the wrong screw tightness.

For detailed wiring instructions, please watch the video below.

UK wiring method

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Common problems with UK series universal screw terminal blocks

Are UK terminal blocks easy to operate?

This type of terminal block is commonly known as a spring terminal block, lever-type quick-connect terminal block, or rail terminal block. Its key selling points are screwless operation, quick wiring, and reusable assembly and disassembly, making it suitable for wiring scenarios in distribution cabinets, control cabinets, lighting, and equipment.

Under normal use, it will not cause overheating, but if there is poor contact, loose screws, overload of the selected wire, or mismatch between wire diameter and terminal specifications, it may cause overheating, and in severe cases, it may burn black or even burn out.

Commonly found in:

Control cabinets.

Distribution boxes.

Automation equipment.

Industrial control systems.

Electrical installation scenarios requiring neat wiring.

The most crucial factors are:

What wire diameter is required?

Rated current.

Rated voltage.

Applicable temperature range.

Does the flexible wire need to be terminated?

Is it suitable for DIN rail mounting?

How to Maintain Terminal Blocks

Regular Inspection

  • Regularly inspect terminal blocks for signs of wear, corrosion, or loose connections.

Clean Terminal Blocks Regularly

  • Use a soft brush and compressed air to clean terminal blocks and remove any dirt, dust, or debris that may accumulate on the contact points.

If Any Loose Connection Is Found

  • If any connection becomes loose, use a screwdriver to tighten the screws to the manufacturer’s recommended torque value. This helps ensure a safe and reliable electrical connection.

Check for Overheating

  • Inspect terminal blocks for signs of overheating, such as discoloration or deformation. Overheating may be caused by excessive current or poor contact resistance, and should be addressed promptly to prevent further damage.

Always Use Properly Sized Terminal Blocks

  • Be sure to select the correct size and type of terminal block according to the application requirements. Using undersized terminal blocks may lead to overheating, poor contact, and other issues.

Troubleshoot Faulty Connections

  • If a faulty connection occurs, check the wiring for short circuits, open circuits, or incorrect positioning. Use a multimeter or other diagnostic tools to identify the root cause of the problem.

Follow the Manufacturer’s Guidelines

  • Always follow the terminal block manufacturer’s instructions for installation, operation, and maintenance to ensure safe and reliable performance.
 

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