Last Updated： Aggregation Period:Jan 14, 2026～Feb 10, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Jan 14, 2026～Feb 10, 2026
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Jan 14, 2026～Feb 10, 2026
This ranking is based on the number of page views on our site.
1～20 item / All 20 items
Smart current transformer adopting LoRaWAN wireless technology
● Self-power operation ● Excellent accuracy with a maximum frequency of 3.3kHz ● Real-time cumulative ampere-hour calculation ● Non-contact installation ● Irregular current condition alert ● External wire temperature sensor ● Removable and cable-free design ● LoRaWAN wireless technology
Rated withstand current 12.5kA/0.125s and 12.5kA/0.25s current transformer JIS C 4620 (Appendix)
Current Transformers for Cubicle-Type High Voltage Receiving Equipment ECT-S12.5KA Series Common Specifications ■ Compliance Standards: JIS C 4620 (Appendix) ■ Rated Current: 10A/5A, 15A/5A, 20A/5A, 25A/5A, 30A/5A, 40A/5A, 50A/5A 75A/5A, 100A/5A, 120A/5A, 150A/5A, 200A/5A ■ Rated Load: 10VA or 25VA or 40VA ■ Rated Overcurrent Constant: n>10 ■ Rated Frequency: 50Hz/60Hz ■ Accuracy Class: 1.0/1PS ■ Rated Short-Circuit Current: (1) ECT-S12.5KA-A Series = 12.5kA/0.125s or 12.5kA/0.16s common (2) ECT-S12.5KA-B Series = 12.5kA/0.25s
Hirai Electric Meter Standard Product: Current withstand 150 times/1 second, overcurrent constant n>10
This is a current transformer for circuits with a maximum voltage of up to 7.2kV/6.9kV. If you require an overcurrent intensity of 150 times/1 second and an overcurrent constant of n>10, you can use this series. It is primarily manufactured in accordance with JIS C 1731-1/JEC-1201, but we can accommodate special specifications such as multiple taps or tertiary windings upon request. Production location: Made in Japan (Kyoto)
This is a design-registered product for low-voltage circuit round window-shaped current transformers.
Starting from a minimum of 60A, the lineup can reduce the work of winding electric wires. It uses a heat-resistant ABS resin case for the exterior, making it lightweight and easy to handle. This series is primarily manufactured in accordance with JIS C 1731-1, but products can also be made according to overseas standards such as IEC upon request. Production locations: Made in China / Korea / Japan (Kyoto) Design registration number: 1402960
You can match any type of busbar. It is a product with good performance and price. Instruments for distribution boards and panels.
KBF is our company's pride in three-phase CT. In fact, it is the most popular model among the types of CT we offer. It has three square windows of the same basic size, and the size of the CT has diversified to match the size of the circuit breaker. Our company has been developing three-phase CTs for the past ten years, which has led to the popularity of three-phase CTs in the domestic market as well. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
It can be matched with any type of wire. It is a product with good performance and price. ★★★ Instruments for distribution boards, control panels, distribution panels, and panels.
KBD is a three-phase CT that our company takes pride in. It has three holes of the same basic size, and the size of the CT has diversified to match the size of the electrical wires. Our company has been developing three-phase CTs for the past ten years, and as a result of our influence, three-phase CTs have become popular in the domestic market. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
Any type of circuit breaker for ugly bars can be matched. It is a product with good performance and price. Instruments for distribution boards, control panels, distribution panels, and panels.
KBM is our busbar-type CT, particularly suitable for air circuit breakers (ACB). The range of primary current is very broad, from 100 to 12,000, allowing for versatile use. The KBM series has diversified the size of the CT to match the size of the circuit breaker. It offers more varieties than busbar CTs for circuit breakers, making it a versatile product that can be used in various situations. By installing three units, it can also function like a three-phase CT. For the KBM-03 and KBM-25 models, production will continue until this year, and it is scheduled to be discontinued next year. However, new products KBM-13 and KBM-16 have been released, so the total number of varieties remains at nine. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
Current transformers installed with bolts! Please use them first. A new world will open up! Meters for distribution boards, control panels, distribution panels, and panels.
The KBK-08 is slightly different from our other CTs. While other CTs pass the wires or busbars directly through the product, this product is mounted with bolts. Additionally, the KBK-08 is a qualified item for bidding with Korea Electric Power (standard items). For inquiries, please contact "lightstar_1979@yahoo.co.jp".
Directly installable current transformer! Please use it first. A new world will open up! Instruments for distribution boards, control panels, distribution panels, and panels.
The KBK-□ is our company's direct mounting current transformer. This is not a type that goes through wires or busbars, but a product designed for direct mounting. There are three shapes available, and five different sizes. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
ZCT for busbars used with leakage current alarms. A product with good performance and price. ★★★ Instruments for distribution boards, control panels, sub-distribution boards, and panels.
It is designed to be installed on power lines under 600V, allowing the primary side of the current transformer to carry the total circuit current, with the vector sum of the currents output on the secondary side. The output current value is measured at the input of the leakage alarm receiver. Features: - Designed with dimensions categorized by the type of applicable circuit breakers, optimizing space utilization. - The structure is designed so that the plastic surface does not touch the busbar after assembly, minimizing thermal deformation during busbar overheating. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
ZCT for busbars used with leakage current alarms. A product with good performance and price. ★★★ Instruments for distribution boards, control panels, sub-distribution boards, and panels.
This device is designed to be installed on power lines below 600V, allowing the primary side of the current transformer to carry the total circuit current, with the vector sum of the currents output on the secondary side. The output current value is measured at the input of the leakage alarm receiver. Features: - Designed with dimensions categorized by the type of applicable circuit breaker, optimizing space utilization. - Constructed to ensure that the plastic surface does not contact the busbar after assembly, minimizing thermal deformation during busbar overheating. This product is a ZCT for SGR. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
Hirai Electric Meter Standard Product: Current Resistance 500 times/1 second & 800 times/1 second
This is a current transformer for circuits with a maximum voltage of up to 7.2kV/6.9kV. For overcurrent intensity of 500 times/1 second and overcurrent constant n>10, you can use model ECT-1000A1. For overcurrent intensity of 800 times/1 second and overcurrent constant n>5, you can use model ECT-1000A. The basic design complies with JIS C 1731-1/JEC-1201, but we can accommodate special specifications such as multiple taps or tertiary windings upon request. Place of production: Made in Japan (Kyoto).
Primary current 300A to 1000A, secondary current 5A compatible! Waterproof and split-type current transformer, zero-sequence current transformer.
The "QZ-8A" from Miwa Electric is a waterproof and split-type current transformer and zero-sequence current transformer (CT and ZCT). It is suitable for circuit voltages ranging from 22kV to 154kV, with primary currents from 300A to 1000A and a secondary current of 5A. 【Features】 ■ Waterproof and split-type current transformer and zero-sequence current transformer ■ Applicable circuit voltage: 22kV to 154kV ■ Primary current: 300A to 1000A ■ Secondary current: 5A *For more details, please refer to the PDF document or feel free to contact us.
There are 8 different sizes available, so it can be applied in any environment! Please use it first. A new world will open up! Instruments for distribution boards and panels.
KBJ is our current transformer for electric wires. We have developed eight different types to allow installation in various conditions within the panel. Each product has a different inner diameter measurement, so you can choose according to the situation. The allowable current range is also wide. Currently, this product is exported worldwide, including to Japan, Vietnam, and the United States. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
This is a split-type CT. There are both types for electric wires and busbars, so you can use them according to your preference. ★★★ Instruments for distribution boards, control panels, distribution panels, and panels.
KBC is our split-type CT. What differentiates it from our other CTs is its ability to be split. Since it can separate the top and bottom, it makes connecting with wires and busbars easier. There are two types each for wires and busbars, allowing for use according to your preferences. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
Any type of breaker for ugly bars can be matched. It is a product with good performance and price. Meters for distribution boards, control panels, distribution panels, and panels.
KBM is our busbar type CT and is a product compatible with circuit breakers (CB). The primary current range is from 50 to 1600, making it widely usable. The KBM series has diversified the size of the CT to match the size of the circuit breakers. Therefore, it is a recommended product for those who are unsure about choosing a CT based on the circuit breaker. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
ZCT used with leakage current alarms. It is a product with good performance and price. ★★★ Instruments for distribution boards, control panels, sub-distribution boards, and panels.
It is designed to be installed on a wire route under 600V AC, allowing the primary side of the current transformer to carry the total circuit current, with the vector sum of the currents output on the secondary side. The output current value is measured at the input of the leakage alarm receiver. Features: - The shape of the lower section of the penetration is designed to be flat to minimize the curvature of the penetrating wire. - The height of the penetration section is designed to be 45mm, taking into account the duct height of 40mm. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
ZCT used with leakage current alarms. It is a product with good performance and price. ★★★ Instruments for distribution boards, control panels, sub-distribution boards, and panels.
This device is installed on power lines below 600V, allowing the primary side of the current transformer to carry the total circuit current, with the vector sum of the currents output on the secondary side. The output current value is measured at the input of the leakage current alarm receiver. Features: - The shape of the lower section of the penetration is designed to be flat to minimize the curvature of the passing wire. - The height of the penetration section is designed to be 45mm, considering the duct height of 40mm. This product is a ZCT for SGR. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
