How do you handle defective products?

For small quantities during the guarantee period, we send new products with new orders. For defective batches, we repair and resend or discuss solutions like recall based on the situation.

What are the technical specifications for output?

The dual output provides CH1: 5V/2A and CH2: 24V/1A. It features ripple and noise under 50mV/120mV respectively.

What certifications does this power supply have?

The product is certified with CE, RoHS, ISO, and CCC standards.

Nvvv D-30b Switching Power Supply D-30b-5V/24V Dual Industrial Automation Control Transformer

Name: Nvvv D-30b Switching Power Supply D-30b-5V/24V Dual Industrial Automation Control Transformer
Brand: Zhejiang Junlin Electric Technology Co., Ltd.
SKU: 2179152255

Zhejiang, ChinaZhejiang Junlin Electric Technology Co., Ltd.

US$6.00

1-99 Pieces

US$5.50

100-499 Pieces

US$5.00

500+ Pieces

Product profile

Customization

Available

Output Type

Single

Warranty

6 Years

Model NO.

D-30B

Output Power

30W

Input Voltage

85-132VAC/176-264VAC

Connection Mode

Series Switching Power Supply

Voltage Regulating Mode

Frequency Modulation Type

Certification

CE, RoHS, ISO, CCC

Transport Package

Safety Packaging

Specification

129*98*38mm

Trademark

NVVV

Origin

Zhejiang, China

HS Code

8504401400

Production Capacity

10000piece/Pieces Per Month

Key features

Dual Output Configuration: Provides 5V/2A and 24V/1A channels for versatile industrial automation control.

Comprehensive Certifications: Certified with CE, RoHS, ISO, and CCC standards for global compliance.

Robust Protection Features: Includes overload, short circuit protection with hiccup mode and automatic recovery.

Wide Input Voltage Range: Supports 85-132VAC/176-264VAC and DC input for stable performance.

Compact Industrial Design: Small size 129*98*38mm, ideal for DIN rail mounting in control cabinets.

High Efficiency Operation: Efficiency exceeds 81% with low operating current for energy saving.

Strict Quality Control: Low defective rate ensured by strict production quality control systems.

Long Warranty Coverage: Offers a 6-year warranty for reliable long-term industrial use.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceExperienced Team

Zhejiang Junlin Electric Technology Co., Ltd.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-09-01Average Response Time: ≤3.71hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryJunlin is identified as a combined supplier with professional R&D and manufacturing capabilities. It offers 3D software design, ODM/OEM services, and multiple customization modes. Quality management is supported by written procedures, records, five quality-control staff, and 21 test-equipment units; finished-product inspection instructions are reportedly followed uniformly. The supplier holds ISO9001:2015 and CCC certifications, and its products are also described as CE-certified. Service procedures cover supplier-service assessment, corrective and preventive action, and customer complaints. Production evidence includes a modern 5,000 m² factory, more than 100 employees, stated monthly output of 100,000 sets, and several named facilities. Innovation evidence is mixed: the supplier has R&D engineers and design capability, but reported no new product in the past year and no available SDK. Overseas service infrastructure is limited, with no overseas warehouse, showroom, agent/branch, or offline trade-show...

Supplier typeThe supplier is classified as a combined company and is described as having professional R&D capability, manufacturing facilities, and a sales/service network. Its profile therefore supports a combined manufacturing-and-technical supplier classification rather than a service-only or trading-only model.

CertificationsThe supplier reports an ISO9001:2015 quality management system certificate and CCC capability; the company description additionally states that its products have passed CE, CCC, and ISO9001 certification. These are explicit certification-related strengths, although the slices do not provide certificate validity dates or scopes.

After-Sales capabilityR&D engineers are responsible for technical support during production and after-sales service. The supplier also reports written and recorded procedures for customer complaints, corrective and preventive actions, and supplier-service assessment, while its company description mentions an established sales service network and agent machinery pattern.

Production capacityProduction capability is supported by named facilities including heat-shrink film, vertical plug-in, aging, wave-soldering, and temperature-humidity testing areas. The company also reports more than 100 employees, a 5,000 m² factory, and monthly output of 100,000 sets; quality-control resources include five inspection staff and 21 test-equipment units.

Customization capabilityThe supplier explicitly provides customization from samples and designs, full customization, minor customization, and flexible customization. It also reports 3D software design and ODM services, directly indicating broad product-design and modification capability.