What is the rated voltage for these junction boxes?

The rated voltage is 600V UL across all models.

Ukk 1000V/250A Busbar Type Power Distribution Junction Box Terminal Block

Name: Ukk 1000V/250A Busbar Type Power Distribution Junction Box Terminal Block
Brand: Unizen Electrical(Shanghai) Co., Ltd.
SKU: 2143933935

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

US$9.05

100 pieces

Product profile

Customization

Available

Type

Screw Terminal

Material

Copper Galvanized

Model NO.

JUT11-250

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

Item No.

Jut11-400

Rated Voltage

1000V

Rated Current

400A

Place of Original

Zhejiang,China

Transport Package

75PCS/ Box40boxes/ Carton

Trademark

UTL

Origin

Zhejiang, China

HS Code

8536909000

Production Capacity

1000000 Piece/Pieces Per Month

Key features

Customizable Color Options: Available in gray, blue, or fully customizable colors to meet specific project needs.

Wide Current Capacity Range: Rated currents from 80A to 500A available in models JUT11-80 through JUT11-500.

Multiple Certification Standards: Compliant with UL, VDE, CE, and IEC 60947-7-1 international safety standards.

Flexible Customization Services: Supports full customization, minor customization, and customization from samples or designs.

Durable Copper Galvanized Material: Constructed with copper galvanized terminals for superior conductivity and corrosion resistance.

Standard DIN Rail Mounting: Designed for easy installation on NS 35/7.5 or NS 35/15 standard connecting rails.

Comprehensive Quality Inspection: 100% inspection including functional and visual checks by 23 dedicated QA/QC inspectors.

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.