WB Trans JEC compatible WT series Domestic use only type
This is a slim, lightweight cost-performance model. It is designed based on the JEC-2200.
It has the function of insulation and voltage boosting/reducing for single-phase circuits. Input and output can be connected not only through a terminal block but also through lead wires and connectors. The external shape is basically the same as WECA (vertical) / WECC (horizontal). ■Applicable standard: JEC-2200 ■Insulation class: B.H. ■Capacity: 100VA to 2.5kVA ■Voltage: Please specify the desired voltage for the primary side (P) Please specify the desired voltage for the secondary side (S) ● Explanation and precautions regarding inrush current ● WECC, WECA, and WT transformers use high-performance electromagnetic steel plates (0.2mm) and are designed with a significantly higher magnetic flux density compared to transformers using standard EI cores. On the other hand, the inrush current during excitation is larger, so when replacing with the current transformer, there is a possibility that the overcurrent protection device on the primary side may malfunction. If the protection device on the primary side is the same as the rated current, the likelihood of malfunction becomes very high, so it is necessary to either adopt a product designed to suppress inrush current or increase the rated interrupting current value of the protection device. Since measures against inrush current depend on the compatibility with the protection device, please contact our technical department for special designs and other inquiries.
basic information
Applicable Standards ■ Domestic Standards: Our products are tested based on the following domestic Japanese standards. JEC-2200, JISC6436, JISC5310, JISC61558, JEC-2210 ■ International Standards: We comply with global safety standards, maintaining direct contact with certification bodies in various countries and conducting certification tests in-house. - European EN standard transformers, low voltage directive compliant transformers applicable standards 〇 IEC61558, EN61558, IEC60076, EN60076 〇 Manufacturing range: 30VA to 200kVA - UL standard transformers, CSA standard transformers applicable standards 〇 UL506, UL1561, UL5085, C22.2 〇 Manufacturing range: 30VA to 200kVA ■ We manufacture in compliance with CE, UL, and CSA worldwide. ■ Specifications and dimensions are available separately; please contact our technical department for inquiries.
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■Single-phase isolation transformer compliant with domestic standards This is a single-phase isolation transformer designed based on domestic standards JEC2200, JISC6364, and JISC5310. Input and output can be specified with terminal blocks, lead wires, connectors, etc. We offer a lineup ranging from compact, lightweight, quick delivery types to large capacities of up to 50kVA. ■Single-phase isolation transformer compliant with overseas standards (Europe and the United States) We provide single-phase isolation transformers designed to meet the EU Low Voltage Directive (EN standards) with CE marking, as well as single-phase isolation transformers compliant with the US NEC (NFPA70/79) with UL marking. We also offer support for overseas exports.
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At our domestic factory certified to international standards, we carry out integrated in-house production, from transformer development to manufacturing, inspection, certification, and shipping. Including the manufacture of transformers for medical equipment, semiconductor manufacturing equipment, machine tools, and other applications, we also offer a wide range of products and technologies for various fields, with the mission of providing safe electricity supply, including full amount self-consumption solar power generation systems and switchboards for industrial battery storage systems. With over 50 years of proven technology and expertise, we provide energy solutions such as various transformers and power reception/supply systems. We manufacture optimised transformer products for a wide range of applications and specifications, including machinery, equipment, systems, and various types of plants. In addition, we offer transformer systems for renewable energy/solar power generation systems, with a track record of manufacturing and installing more than 15,000 units. We propose solutions that take into account installation and construction issues as well as environmental conditions, with a focus on safety and reliability. Furthermore, in battery storage systems, we deliver optimal solutions for efficiently utilising solar power generation.