What is the warranty period?

The product comes with a 1-year warranty.

What communication ports are available?

It supports SNMP, RS232/RS485, and built-in dry contact ports.

6u 48V DC Rectifier System 350A 21kw Switching Power Supply for Telecom

Name: 6u 48V DC Rectifier System 350A 21kw Switching Power Supply for Telecom
Brand: Qingdao Powtech Electronics Co., Ltd.
SKU: 723174632

Shandong, ChinaQingdao Powtech Electronics Co., Ltd.

US$1,700.00-1,800.00

1 Piece

Product profile

Customization

Available

Output Type

Single

Warranty

1 Year

Model NO.

SPS350-48/SR4850

Output Power

21kw

Input Voltage

220V/380VAC

Connection Mode

Parallel Switching Power Supply

Starting Mode

Self-excited Switching Power Supply

Modulation System

PFAW

Certification

CE, RoHS, ISO

Brand

Jetpower

Capacity

Max 21kw

Design

Subrack

Input Voltage Range

85V-450VAC

Battery Voltage

48VDC

Overcharge Protection

Yes

Output Voltage

53.5VDC (42-58V)

Rectifier Module

50A *7 PCS

Transport Package

Standard Export Packing

Specification

350A

Trademark

JETPOWER

Origin

China

HS Code

85044020

Production Capacity

100set/Week

Key features

High Efficiency PFC: Features PFC technique with up to 0.99 power factor for energy saving.

Hot-Swap Redundancy: N+1 rectifier module redundancy with fast hot-swap expansion capability.

Wide Input Voltage: Supports 85V-450VAC input range for flexible global application.

Compact Subrack Design: 19-inch 6U subrack, easy to embed into standard telecom equipment.

Intelligent Cooling: Fan-cooling technique ensures good performance and high reliability.

Multiple Certifications: Certified with CE, RoHS, and ISO standards for quality assurance.

Customizable DC Distribution: DC distribution modules are customizable to fit specific needs.

Comprehensive Monitoring: Supports SNMP, RS232/RS485, and dry contact for remote monitoring.

Company profile

Qingdao Powtech Electronics Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2007-05-01Average Response Time: ≤3.74h

AI-Powered supplier vetting

SummaryThe supplier is a combined company offering manufacturing, service, quality-control, R&D, and export capabilities. It supports extensive customization, ODM, and OEM services, and has 18 years of export experience with self-operated import/export rights. Quality-related evidence includes CE certification, ISO9001:2015, ISO45001:2018, ISO14001, quality assurance, and standardized finished-product inspection instructions. However, it reported no 3D software design service, no new products in the past year, no SDK, no ERP/OA/CRM/SAP integration, no overseas agents, branches, warehouses, or showrooms, and no written corrective-action or complaint-handling procedures. Manufacturing capacity has a documented weakness because no valid contract exists with related subcontractors. Financial credibility and customer-case evidence are insufficient for a firm assessment.

Supplier typeThe supplier is identified as a combined company and presents offerings spanning manufacturing capacity, service capacity, quality control, R&D, export trade, and sustainable development. This supports classification as a diversified manufacturing and service supplier, although the slice does not provide a more specific legal or organizational classification.

CertificationsThe supplier reports quality assurance and holds CE product-compliance certification plus ISO9001:2015, ISO45001:2018, and ISO14001 management-system certifications. These explicitly documented certifications support its quality, occupational-safety, and environmental-management credentials.

After-Sales capabilityThe supplier has no overseas warehouse, showroom, overseas agent, or branch, and reports no written procedures or records for effective customer-complaint handling. Although it has inventory capability and has participated in the Canton Fair, the documented absence of complaint-handling procedures is a specific after-sales deficiency.

R&D capabilityThe supplier offers ODM services but reports no new products in the past year, no 3D software design service, no available SDK, and no ERP, OA, CRM, or SAP integration. ODM capability is present, but the explicit absence of recent product development and supporting digital systems indicates a documented innovation limitation.

Production capacityThe supplier has inventory capability, standardized instructions for finished-product inspection, one-month lead times in both peak and off-season periods, and 11–20 years of staff experience. However, it reports no valid contract between the factory and related subcontractors, creating a documented weakness in manufacturing-capacity governance despite otherwise established operational indicators.

Customization capabilityThe supplier explicitly provides customization from designs, samples, full customization, minor customization, flexible customization, and ODM services. It also reports OEM service for well-known brands, providing strong direct evidence of broad customization and contract-manufacturing capability.