Why use an isolation control transformer for PLCs?

An isolation control transformer prevents ground loops and noise from propagating into sensitive PLC power supplies, enhancing signal integrity and reducing unexpected resets.

What are the benefits of a toroidal control transformer low noise design?

A toroidal control transformer offers lower magnetic stray fields and audible hum compared to EI-core designs, making it ideal for quiet environments or noise-sensitive control rooms.

Where do sealed control transformers for harsh environments excel?

Sealed control transformers with epoxy-filled or gasketed enclosures withstand dust, moisture, and corrosive atmospheres, perfect for food, chemical, or outdoor installations.

Quality Guaranteed Jbk6 Industrial Control Low Voltage Transformer

Name: Quality Guaranteed Jbk6 Industrial Control Low Voltage Transformer
Brand: Shanghai Leipold Electric Co., Ltd.
SKU: 744737582

Shanghai, ChinaShanghai Leipold Electric Co., Ltd.

US$22.00-470.19

100 Pieces

Product profile

Customization

Available

Application

Electronic

Phase

Single

Model NO.

JBK6 Series

Core

Core-type Transformer

Cooling Method

Dry-type Transformer

Winding Type

Multi-winding Transformer

Certification

ISO9001-2000, ISO9001, CCC, CE, RoHS

Usage

Combined Transformer

Frequency Characteristics

Low Frequency

Shape of Core

Ring

Brand

Leipole

Capacity

40~2500va

IP Code

IP20

Way of Connection

Delta or Y

Transport Package

Export Standard Carton

Specification

CE/RoHS

Trademark

LEIPOLE

Origin

China

HS Code

85043190

Production Capacity

10000PC/Month

Key features

Flexible Mounting Styles: Choose chassis-mount, DIN-rail clip, or panel bracket for various installation needs.

ISO-Certified Quality: 100% factory testing including insulation resistance and load-endurance checks.

Customizable Capacity: Capacity is customizable from 40 to 2500 VA to suit specific power requirements.

Superior Thermal Management: Class B or F insulation limits temperature rise well below rated thresholds.

Corrosion Resistance: Built for harsh environments including humidity, coastal, and desert climates.

Multi-Certification Compliance: Meets ISO9001, CCC, CE, RoHS, VDE0550, IEC201-1, and IEC439 standards.

Company profile

High Repeat Buyers ChoiceCooperated with Fortune 500Self-brandedExhibition Experience

Shanghai Leipold Electric Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2001-12-01Nearest Port: Shanghai, NingboAverage Response Time: ≤0.96hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, DDP, FCA

AI-Powered supplier vetting

SummaryThe supplier demonstrates broad customization and R&D capabilities, including ODM services, recent product development, multiple design tools, and documented design processes. It has established quality and service procedures, inspection instructions, ERP-based operational management, ISO9001:2015 and CE certifications, export experience, overseas service coverage, inventory capacity, and stated lead times within 15 workdays in both peak and off-seasons. Manufacturing-related evidence includes valid contracts with associated subcontractors and OEM service for well-known brands, but production scale and equipment details are limited. Financial records are referenced for 2021–2023, yet no explicit financial strength assessment is provided. Customer-case evidence is limited to OEM service for well-known brands and participation in CIIF.

Supplier typeThe supplier has self-operated import/export rights, 23 years of export experience, inventory and overseas warehouse capabilities, overseas agents or branches, and OEM service for well-known brands. These indicators support classification as an export-oriented manufacturer or manufacturing supplier with international service capability, although the exact legal or organizational supplier type is not stated.

CertificationsThe supplier reports an ISO9001:2015 certificate and CE certification capability. These are explicit certification-related credentials supporting quality-management and product-compliance capability.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and customer complaints, maintains inventory and overseas warehouse capability, and provides overseas agents or branches in Singapore. Its service assessment procedures are also documented, while no overseas showroom is available; the evidence nevertheless supports structured after-sales and international service capability.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and has R&D personnel responsible for new products, AutoCAD drawings, and production technology support. It also maintains auditable design input, output, review, verification, and validation documentation and uses AutoCAD, Pro/E, and SolidWorks; no SDK is available.

Production capacityProduction-related evidence includes quality assurance, uniformly followed finished-product inspection instructions, inventory capability, valid manufacturing contracts with associated subcontractors, ERP digital management across production, procurement, quality control, and logistics, and lead times within 15 workdays in both seasons. The stated own-brand quantity quality-control capability is limited to 1, and production capacity scale is not otherwise specified.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also provides ODM services and reports recent new-product development, demonstrating broad customization coverage.

Product Q&A

Q:How do I select the right VA rating?

Add the VA of all control loads (relays, coils, PLC inputs) plus 25 % margin; choose the next standard size.

Q:Can I adjust taps under power?

Primary taps are selectable only when de-energized; secondary rewiring must be done by qualified personnel.

Q:Are replacement parts available?

Yes-covers, mounting brackets, and terminal blocks can be ordered separately.

Q:When should I choose an industrial control transformer for machine tools?

Use an industrial control transformer when you need reliable, low-voltage power for machine tool control circuits, ensuring stable operation under high inrush and frequent switching.

Q:How does a control transformer 110V to 24V step-down improve safety?

A 110V to 24V step-down control transformer isolates the high-voltage mains from control wiring, reducing shock hazards and allowing safer interface with relays and PLC inputs.