UKK Single-PoleSplitter Box HAITIAN

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It has different specifications, such as one in and six out, one in and ten out, and onein and eleven out. It can meet a variety of cable branches. It adopts a flame-retardantshell and brass bodv.

Dimensions

N/A

Model Number

UKK-125A, UKK-160A, UKK-250, UKK-400A, UKK-500A, UKK-80A

Rated Voltage

690V

Connection Method

Screw Connection

Material of Shell

Nylon PA66

Metal Material

Brass Nickel plated

Flame retardant

UL94V0

The UKK showcases a full range of models

UKK-8OA

UKK-8OA

Model

Special color

Current

Voltage

Length/Width/High

Structure

Input Cablesize(mm2)*pcs

Output Cablesize(mm2)*pc

Installationmethod

UKK-80A

Blue/Red/Green/Yellow

80A

690v

30mmx69mmx49mm

1 in,6out

16*2

(2.5-16)*1 (1.5-10)*4

35mm DINGuide

UKK-125A

UKK-125A

Model

Special color

Current

Voltage

Length/Width/High

Structure

Input Cablesize(mm2)*pcs

Output Cablesize(mm2)*pc

Installationmethod

UKK-125A

Blue/Red/Green/Yellow

125A

690V

29mmx77mmx46mm

1 in,6out

35*1 16*1

(2.5-16)*6

35mmDINGuide

UKK-160A

UKK-160A

Model

Special color

 Current

Voltage

Length/Width/High

Structure

Input Cablesize(mm2)*pcs

Output Cablesize(mm2)*pc

Installationmethod

UKK-160A

Blue/Red/Green/Yellow

160A

690V

29mmx77mmx46mm

1 in,6out

70*1 16*1

(2.5-16)*6

35mm DINGuide

UKK-250A

UKK-250A

Model

Special color

 Current

Voltage

Length/Width/High

Structure

Input Cablesize(mm2)*pcs

Output Cablesize(mm2)*pc

Installationmethod

UKK-250A

Blue/Red/Green/Yellow

250A

690V

47mmx96mmx50mm

1 in,11out

120*1

(6-35) *2 (2.5-25)*4(2.5-
16)*5

35mm DINGuide

UKK-400A

UKK-400A

Model

Special color

 Current

Voltage

Length/Width/High

Structure

Input Cablesize(mm2)*pcs

Output Cablesize(mm2)*pc

Installationmethod

UKK-400A

Blue/Red/Green/Yellow

400A

690V

47mmx96mmx50mm

1 in,11out

175*1

(6-35) *2 (2.5-25)*4(2.5-
16)*5

35mm DINGuide

UKK-500A

UKK-500A

Model

Special color

 Current

Voltage

Length/Width/High

Structure

Input Cablesize(mm2)*pcs

Output Cablesize(mm2)*pc

Installationmethod

UKK-500A

Blue/Red/Green/Yellow

500A

690V

47mmx96mmx50mm

1 in,11out

8*25

(6-35)*2 (2.5-25)*4(2.5-
16)*5

35mm DINGuide

Why Choose Shengling?

Zhejiang Shengling Electric Co., Ltd. is a professional manufacturerfocused on the R&D and production of terminal blocks. With years ofdedication to the electrical connection industry, we have built strongmanufacturing experience and reliable technical expertise.
For UKK distribution blocks, Shengling meets diverse market needswith solid manufacturing strength and mature production control.
Our UKK products feature a well-designed structure, easy wiring, andsuitability for various power distribution applications, helping improveinstallation efficiency and reliability. Whether for standard models ordifferent application needs, Shengling provides professional supportand stable supply.

Product Details

Structure of a UKK single-level junction box

The UKK single-level junction box features an industry-leading design for seamless electrical connections. Its rail-mount base ensures effortless installation and removal, snapping securely onto DIN rails for rapid deployment in industrial or automation systems. The input terminal offers a primary port for connecting the main power supply, guaranteeing stable current flow. The output terminal excels in distribution, accepting one input and branching into multiple outputs to efficiently split the main wire into separate circuits. The conductor, crafted from high-conductivity copper alloy or nickel-plated copper, ensures superior current transmission and corrosion resistance. Safety is fortified by the insulating housing, molded from flame-retardant PA nylon or advanced polymers, shielding against heat, impacts, and electrical hazards. A transparent cover (often hinged or openable) allows instant visual inspections of wiring conditions, minimizing downtime for maintenance. Ideal for streamlining power distribution in factories, machinery, or infrastructure projects, this junction box combines durability, safety, and accessibility for long-term reliability. (Key terms: UKK junction box, DIN rail mount, copper conductor, PA nylon insulation, transparent cover, electrical distribution).

The Engineered Structure of UKK Terminal Blocks

Crafted for reliability, UKK terminal blocks feature a flame-retardant PA66 insulated housing for heat and impact resistance. Internal conductors use nickel-plated brass for superior conductivity and corrosion protection, while fastening screws are high-strength steel with electroplating—balancing security and safety. This design resists deformation, toxic fumes, and fires during high temps or shorts, ideal for industrial control, automation, and power distribution.

UKK Terminal Housings Meet UL 94 V-0 Standard

UKK terminal housings achieve UL 94 V-0 flame retardancy, ensuring self-extinguishing within 3 seconds after flame removal, preventing dripping or fire spread. Crafted from PA66, these housings resist deformation and toxic fume emission during high temps or shorts, isolating ignition sources to suppress fires. The non-drip property and inherent fire resistance safeguard against fault escalation, ideal for high-risk electrical applications.

Simplified Wiring for UKK Junction Boxes: Secure Connections in 4 Steps

UKK junction boxes utilize DIN rail screw or branch terminals for effortless wiring. Method: 1. De-energize the circuit. 2. Strip wire ends. 3. Insert into terminal crimps. 4. Tighten screw securely. For flexible wires, crimp a cold-press terminal first for enhanced stability and safety.

UKK wiring method

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UKK series DIN rail type single-pole junction box - actual photos

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Our factory has its own testing room with a variety ofequipment to test product quality.

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.