What are the accepted payment terms?

We accept T/T, L/C, PayPal, and Western Union in currencies such as USD, EUR, AUD, HKD, and CNY.

What is the typical lead time for delivery?

The average lead time is about one month for both peak and off-peak seasons, thanks to our large production capacity.

Where is your company located?

We are based in Shanghai, China, and have been manufacturing wiring solutions since 2013.

4mm2 Two Level Copper Electrical Wire Connector Screw Clamp DIN Rail Terminal Blocks

Name: 4mm2 Two Level Copper Electrical Wire Connector Screw Clamp DIN Rail Terminal Blocks
Brand: Unizen Electrical(Shanghai) Co., Ltd.
SKU: 2150599375

Shanghai, ChinaUnizen Electrical(Shanghai) Co., Ltd.

US$0.54

100-4,999 pieces

US$0.50

5,000-49,999 pieces

US$0.41

50,000+ pieces

Product profile

Customization

Available

Type

Connection Block

Material

Copper

Model NO.

JUT1-4/2Q

Application

Conduct Electricity

Character

High Temperature Resistance

Species

Terminal

Production Process

Injection Molding

Shape

Rectangular

Interface Type

Screw Connection

Certification

UL, VDE, CE

Brand

Utl

Conductor Size

1- 5 AWG

Color

Grey Blue Red Yellow Green

Number of Contacts

11 - 20

MOQ

100 PCS

Transport Package

75PCS/Box40boxes/Carton

Specification

JUT1-4/2Q/BE, JUT1-4/2Q/GY

Trademark

UTL

Origin

Zhejiang, China

HS Code

8536909000

Production Capacity

10000000PCS/Year

Key features

High-Quality Materials: Insulating shell made of imported PA66 nylon; conductive strip of red copper with matte tin plating.

Safety Certification: Meets UL94 V-0 flame retardant grade and holds UL, VDE, and CE certifications.

Easy Installation: Universal mounting feet for NS15 rail; closed screw guide hole prevents screw loss.

High Conductivity: Brass line-pressing frame with nickel plating ensures excellent electrical conductivity.

Flexible Customization: Offers customization for conductor size, color, and number of contacts based on designs or samples.

Professional Manufacturer: Over 30 years experience with own manufacturing base and 22 R&D engineers.

Strict Quality Control: 100% inspection for finished products with 23 QA/QC inspectors ensuring reliability.

Fast Delivery: Large workforce of about 300 workers helps shorten delivery time significantly.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExhibition Experience

Unizen Electrical(Shanghai) Co., Ltd.

Shanghai, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 Years CertifiedNearest Port: Shanghai Port, Ningbo PortAverage Response Time: ≤4.67h

AI-Powered supplier vetting

SummaryUTL is identified as a Shanghai-based trading company in the electrical and electronics sector, associated with wholesale and retail activities. Its offerings focus on terminal blocks and related electrical connection and distribution products. The supplier states that it holds international certifications including ISO9001 and ISO14001 and established a UL-certified laboratory in 2014. Its history describes facilities in Wenzhou, Kunshan, and Chuzhou, indicating stated production-related infrastructure, although the current manufacturing arrangement and capacity are not fully verified. The supplier reports 22 years of total R&D engineer experience and emphasizes customized products, particularly terminal blocks. Export sales account for 41%–50% of total sales. Evidence is insufficient regarding after-sales services, financial credibility, customer cases, detailed innovation outputs, quality-control traceability, and several OEM/ODM and overseas-service capabilities.

CertificationsThe supplier explicitly states that it holds international certifications including ISO9001 and ISO14001. It also reports having established a UL-certified laboratory in 2014, supporting a stated focus on quality testing, although the scope and current validity of each certification are not provided.

R&D capabilityThe supplier reports 22 years of total R&D engineer experience, a UL-certified laboratory established in 2014, and plans to develop further connection solutions. However, new-product output, R&D documentation, SDK capability, private mold design, 3D design services, and ODM capability are all unknown.

Production capacityThe company describes a second plant in Wenzhou, a Kunshan facility, and later plants in Chuzhou, indicating stated manufacturing infrastructure and expanded production capabilities. Nevertheless, outsourcing procedures, valid manufacturing-capacity contracts, in-stock capacity, quality assurance, and traceability are not verified.

Customization capabilityThe supplier explicitly states that it offers customized products and intends to develop connection solutions tailored to customer needs, especially in rail terminal blocks. Specific evidence for ODM, OEM, private mold, or 3D design execution is unavailable.

Product Q&A

Q:What are the main materials used in this terminal block?

The insulating shell is made of imported PA66 nylon 66, and the conductive strip is red copper plated with matte tin. The line-pressing frame is brass plated with nickel.

Q:What certifications does this product have?

The product holds UL, VDE, and CE certifications and meets the UL94 V-0 flame retardant grade standard.

Q:Can I customize the color or specifications?

Yes, we offer flexible customization options including colors (Grey, Blue, Red, Yellow, Green), conductor sizes, and number of contacts based on your designs or samples.

Q:What is the minimum order quantity (MOQ)?

The minimum order quantity is 50 PCS for standard items, though some custom options may require 100 PCS.

Q:How do you guarantee product quality?

We provide a pre-production sample before mass production and conduct a final inspection before shipment. Additionally, 100% of finished products undergo function and visual inspections.