Question 1

Are you a manufacturer or a trading company?

Accepted Answer

We are a direct manufacturer specializing in R&D, design, production, and sales of transformers and voltage stabilizers. We have a complete production line and a rigorous quality control system. Factory visits are welcome at any time.

Question 2

Do you offer OEM/ODM services?

Accepted Answer

Yes. We have a professional engineering team that can customize products according to your drawings, voltage requirements, or special application needs.

Question 3

What is the difference between JBK3 and JBK5 control transformers, and how do I choose?

Accepted Answer

Both JBK3 and JBK5 series are designed for 50/60Hz AC circuits, serving as control power supplies, working lighting, and signal lamp sources for machine tools and mechanical equipment. The JBK5 is an upgraded version developed with advanced German technology. Key improvements include:Optimized terminal block design integrated with the bobbinHigher protection rating IP2LX, preventing accidental contactMore precise mounting dimensions and corrosion-resistant alloy materials for better groundingBot

Question 4

What is the input/output voltage range of your control transformers?

Accepted Answer

The JBK3/JBK5 series is suitable for 50/60Hz AC with input voltage not exceeding 1000V and output voltage up to 220V. Other voltage ratings can be customised.

Question 5

Do your products have international certifications?

Accepted Answer

Our products comply with relevant international and domestic standards. The JBK3 and JBK5 series are CE-certified. We can also assist with CE, UL, CB, or other certifications according to your target market.

Question 6

Can you customise voltage and frequency for different countries?

Accepted Answer

Yes. We can adjust to any local voltage/frequency, e.g., Japan 100V/50Hz, USA 120V/60Hz, EU 400V/50Hz, etc.  Please specify your requirements when ordering.

Question 7

What is your minimum order quantity (MOQ)?

Accepted Answer

MOQ varies by model and specification.  For standard products, we accept small orders and even sample orders.  For customised items, MOQ is negotiable.

Question 8

What is your lead time?

Accepted Answer

Lead time depends on product type and order quantity, typically 7*30 days after order confirmation. We will confirm the exact schedule upon ordering.

Question 9

What payment methods do you accept?

Accepted Answer

We accept T/T, L/C, Western Union, PayPal, and others. Payment terms are negotiable based on order value and cooperation.

Question 10

How do you guarantee product quality?

Accepted Answer

We have a complete quality control system.  Every product undergoes strict inspection during production and before shipment.  All processes comply with ISO standards. We can provide photos or videos of production and packaging upon request.

Question 11

What is your warranty period?

Accepted Answer

Our warranty is one year from the date of sale.  For quality defects arising from proper use, we provide free repair or spare parts replacement. We also supply free spare parts for regular maintenance based on order quantity.

Question 12

How do you handle aftersales support if problems occur?

Accepted Answer

Our professional technical support team responds within 2 hours.  For parts issues, we only need a photo of the faulty part and will send a free replacement. Remote technical guidance is also available.

Product profile

Customization

Application

Phase

Model NO.

Core

Cooling Method

Winding Type

Certification

Usage

Frequency Characteristics

Shape of Core

Brand

Model

Frequency

Rated Capacity

Input Voltage

Output Voltage

Core Material

Winding Material

Insulation Level

Protection Level

Installation

Standards

Transport Package

Specification

Trademark

Origin

HS Code

Production Capacity

Key features

Company profile

About Our Factory & Business Background

Our Production Capability & Technical Expertise

Our Industry Experience & Global Business Record

Product Q&A

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