How long is the charging time?

The standard charging time is 12 hours using constant current followed by constant voltage with temperature compensation.

What is the switching time to bypass?

The switching time is 0ms when adopting the static switch for seamless transition.

What is the maximum overload capacity?

It can handle 110% load for 300 minutes, 125% load for at least 10 minutes, and 150% load for at least 1 minute.

400 kVA 3 Phase Online Low Frequency UPS for Industrial Printing Machine

Name: 100/200/300/400 kVA 3 Phase Online Low Frequency UPS for Industrial Printing Machine
Brand: NINGBO KEMAPOWER ELECTRONICS CO., LTD.
SKU: 866366065

Zhejiang, ChinaNINGBO KEMAPOWER ELECTRONICS CO., LTD.

US$4,059.00-6,147.00

1 Piece

Product profile

Customization

Available

Phase

Three Phase

Type

On-line

Model NO.

E33

Protection

Overvoltage

Application

Industry

Classification

Lighting/Power

Standby Time

Long-acting Machine

Standby UPS

Sine Wave Output UPS

Output Capacity

Large Type

Equipment Mode

Centralized Model

Brand

Kemapower

Color of The Product

Black or White

Transport Package

Safety Packing

Trademark

KEMAPOWER

Origin

China

HS Code

8504402000

Production Capacity

50, 000PCS/Year

Key features

Wide Capacity Range: Available in 10KVA to 400KVA models for diverse industrial needs.

Low Frequency Design: Robust 3-phase online double conversion with DSP control and IGBT inverter.

Flexible Input Voltage: Supports 220VAC 3P+N+G or 110V/208VAC 3P+G with optional configurations.

Pure Sine Wave Output: Ensures stable power with <3% distortion for linear and <5% for non-linear loads.

Advanced Communication: Features RS-232, RS-485, and dry contact interfaces for monitoring.

Parallel Redundancy: Supports up to 8 units in parallel for enhanced system reliability.

High Efficiency: Inverter efficiency exceeds 92% at full load for energy savings.

Touch Panel Control: 7-inch touch panel for easy parameter display and mode setting.

Company profile

NINGBO KEMAPOWER ELECTRONICS CO., LTD.

Zhejiang, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2007-03-05Nearest Port: Ningbo, ChinaAverage Response Time: ≤7.77hTerms of Payment: LC, T/T, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as a Ningbo-based trading company associated with wholesale and retail, while other records describe factory facilities including five production lines, six to ten quality-control staff, and exports to Southeast Asia, the Middle East, and North America. It reports CE or UL certification for most products, annual customer training, 24/7 online technical service, after-sales support, OEM/ODM services, and new product development. However, formal procedures and records for supplier service assessment, corrective actions, and complaint handling are absent. The supplier has no overseas warehouse, showroom, agent, or branch, and no SDK availability. Sustainability documentation and fire-drill status are unknown. Financial credibility cannot be assessed from the provided year labels alone.

CertificationsThe supplier states that most products have passed CE or UL certification, while its supplier-management-system certification is recorded as “Others.” The evidence supports product-level certification claims but does not identify a specific management-system certificate or coverage for all products.

After-Sales capabilityThe supplier advertises reliable after-sales guarantees, annual customer help and training, 24/7 online technical service, and stated peak/off-season lead times. Nevertheless, it has no written procedures or records for complaint handling, service-capability assessment, or corrective and preventive actions, which is an explicit process deficiency.

R&D capabilityThe supplier reports new-product development during the past year and provides ODM services, demonstrating product-development and design-manufacturing capability. It also reports no available SDK, so software-development support is not evidenced.

Production capacityThe supplier reports five production lines, six to ten quality-control staff, Ningbo factory-related location information, and lead times of within 15 working days off-season and one month during peak season. These details support established production operations, although annual output data is excluded from this assessment because it is monetary information.

Customization capabilityThe supplier explicitly offers customized products, low MOQ service, ODM services, and OEM services for well-known brands. This is direct evidence of both product customization and contract manufacturing capability.