IN series European-style terminal blocks

IN series European-style terminal blocks
IN series European-style terminal blocks - Image 2
IN series European-style terminal blocks - Image 3
IN series European-style terminal blocks - Image 4
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Additional information

Place of Origin

Zhejiang,China
Model Number

IN-100BK, IN-12BK, IN-13BK, IN-200BK, IN-20BK, IN-30BK, IN-400BK, IN-411, IN-60BK
Color

black
Mounting

Screw
Rated Current

130A, 20A, 240A, 30A, 370A, 50A, 90A
Rated Voltage

600V
Material of Shell

PC
Metal Material

brass conductor
Operating temperature

Operation -55~40 °C Storage -55~110 °C
Block Function

Feed-Through/Disconnect/Ground
Wire Size

6~26 AWG
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IN-12BK

IN-12BK

Model
IN-12BK
Special color
Black
Current
20A
Voltage
600V
Length/Width/High
40mmx30mmx20mm
Conductor Cross-section
0.75-2mm²
Material
PC/Copper
Connection method
Screw connection

IN-13BK

IN-13BK

Model
IN-13BK
Special color
Black
Current
20A
Voltage
600V
Length/Width/High
40mmx30mmx25mm
Conductor Cross-section
0.75-2mm²
Material
PC/Copper
Connection method
Screw connection

IN-20BK

IN-20BK

Model
IN-20BK
Special color
Black
Current
20A
Voltage
600V
Length/Width/High
40mmx30mmx35mm
Conductor Cross-section
2-3.5mm²
Material
PC/Copper
Connection method
Screw connection

IN-30BK

IN-30BK

Model
IN-30BK
Special color
Black
Current
20A
Voltage
600V
Length/Width/High
45mmx35mmx43mm
Conductor Cross-section
3.5-8mm²
Material
PC/Copper
Connection method
Screw connection

IN-411

IN-411

Model
IN-411
Special color
Black
Current
20A
Voltage
600V
Length/Width/High
45mmx34mmx15.5mm
Conductor Cross-section
8-14mm²
Material
PC/Copper
Connection method
Screw connection

IN-60BK

IN-60BK

Model
IN-60BK
Special color
Black
Current
20A
Voltage
600V
Length/Width/High
56mmx40mmx22mm
Conductor Cross-section
14-22mm²
Material
PC/Copper
Connection method
Screw connection

IN-100BK

IN-100BK

Model
IN-100BK
Special color
Black
Current
20A
Voltage
600V
Length/Width/High
75mmx45mmx32mm
Conductor Cross-section
22-38mm²
Material
PC/Copper
Connection method
Screw connection

IN-200BK

IN-200BK

Model
IN-100BK
Special color
Black
Current
20A
Voltage
600V
Length/Width/High
75mmx45mmx32mm
Conductor Cross-section
22-38mm²
Material
PC/Copper
Connection method
Screw connection

IN-400BK

IN-400BK

Model
IN-400BK
Special color
Black
Current
20A
Voltage
600V
Length/Width/High
124mmx72mmx62.5mm
Conductor Cross-section
100-200mm²
Material
PC/Copper
Connection method
Screw connection

Why Choose Zhejiang Shengling?

Zhejiang Shengling is a professional manufacturer of electrical connection products, with years of industry experience and strong technical expertise. We are committed to quality, customer needs, and providing safe, stable, and efficient electrical connection solutions worldwide.

Key Advantages of IN Series European Terminal Blocks:

High-Quality Structural Design
Modular design with a transparent cover and durable base allows clear visibility, easy installation, and maintenance.

Flame-Retardant Insulated Housing
Made from high-grade insulating, flame-retardant materials, ensuring excellent heat resistance and enhanced safety.

Zinc-Plated Screws
High-quality screws provide strong fastening, anti-slip performance, and long-term reliability.

Great Value for Money
High quality at competitive prices, delivering maximum value without compromising safety or performance. Zhejiang Shengling IN Series European Terminal Blocks ensure safer and more efficient electrical connections.

The product analysis structure is clear at a glance.

The internal structure of the IN series European-style terminal block consists of a transparent top cover, a flame-retardant base, a thickened conductive sheet, and galvanized screws.

Key features of the product

The transparent protective cover allows you to see clearly, prevents dust, is sturdy and durable, and easily solves the problem of tangled wires.

The terminal blocks are made of thermosetting plastic, which offers high safety and excellent insulation.

The screw washers are thick and won’t loosen, ensuring a secure and reliable fit with good electrical conductivity.

IN series terminals block

In the electric connection, using the terminal as the transition connection is a common connection method. In various connection terminal structures, using the plate connection method, a long-standing practice test, a safe and reliable connection way. The correct choice of wiring mode mainly depends on the actual use needs and the use of the requirements of the environmental conditions. Plate crimp wiring is direct, convenient, solid, and reliable.

Wiring method

1：Prepare IN terminal connecting wire screwdriver

2：Place the crimped wire into the screw

3：The wiring is now complete

SMART TERMINAL SOLUTIONS

Empowering Electrical Connections With Innovation & Efficiency

Customized for R&D

  • Functional upgrades and structural optimizations
  • Dedicated mold design and rapid prototyping
  • Multi-scenario compatibility engineering

Certification and Support

  • International Compliance Documentation Guidance
  • Testing Organization Coordination and Standards Interpretation
  • Technical Documentation Localization

Flexible delivery

  • Finished Product/SKD Supply Options
  • Trial Order Verification Support
  • Priority Logistics from Key Ports

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Common problems with IN series European-style terminal blocks

What should be noted during installation?

Ensure that the power is off during operation, the connection polarity and direction are correct, the wire specifications are matched, and avoid loosening and overheating.

The casing is made of PC material

The transparent cover allows for easy observation of the internal condition while also providing some protection, reducing accidental contact and dust ingress.

The housing and base are usually reusable, but a blown fuse needs to be replaced; you cannot simply continue using the old fuse.

It is commonly used in automotive modification, battery systems, inverters, energy storage equipment, industrial power distribution, and other high-current DC applications.

If intended for outdoor use, it is best to confirm that it is dustproof, waterproof, and heat-resistant; otherwise, it is recommended to install it inside a protected electrical box or equipment.

First, check the fuse specifications, rated current, voltage, and installation dimensions. Then, contact the supplier to confirm whether they support replacement or model change to avoid direct use with electricity.

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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