Grounding transformer for measuring instruments (current transformer CT, potential transformer PT) 'KBG-□□□'
KBG-□□□
Indoor PT products that can convert voltage! Please use them first. Instruments for distribution boards, control panels, distribution panels, and panels.
KBG-□□□ is our indoor 1.15 kV transformer (PT). The primary voltage is 380/√3V or 440/√3V. It is used for zero-sequence voltage detection (tertiary) during faults in ungrounded lines. This product is a single-phase transformer, and three units are used in combination, with the connection method being Y connection for primary and secondary, and broken delta connection for tertiary. When the bus voltage is applied to the primary side, the secondary side can be used for relaying and measurement, while the tertiary side can be used for zero-sequence voltage detection. On the tertiary side, zero-sequence voltmeters, OVGR (overvoltage ground relay), ground fault confirmation LAMP, CLR, SGR, DGR, etc., can be connected for use. For inquiries, please contact "lightstar_1979@yahoo.co.jp".
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basic information
【Specifications】 - Primary Voltage (Pri.Volt.): 220/√3V ~ 750/√3V - Secondary Voltage (Sec.Volt.): 110/√3V or 190/√3V - Tertiary Voltage (Ter.Volt.): 110/√3V or 190/√3V - Rated Load: Secondary 50VA, Tertiary 100VA - Class: KS C 1706 Class 1.0, IEC 60044-2 Class 1.0/3P, JEC 1201 1P/3G - Frequency: 60Hz (standard), 50Hz (upon request) - Secondary Overvoltage Multiples: 1.1Vn Continuous / 1.9Vn 30s - Material of Main Body: Iron Case - Dimensions: 110×150×111 (Width×Height×Depth. Unit: mm) - Weight: 5000g
Price information
KBG-□□□: 10,950 yen
Price range
P1
Delivery Time
P3
※There is an agency in Yokohama, Japan, that has stock available.
Applications/Examples of results
It is a transformer for measuring instruments used for voltage reduction.
Detailed information
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This is how to order KBG-□□□. Please refer to it.
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This is the specification for KBG-□□□. Please refer to it.
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This is the outline drawing of KBG-□□□. Please refer to it.
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This is the wiring diagram for KBG-□□□. Please refer to it.
Line up（8）
| Model number | overview |
|---|---|
| KBG-111 | ・Primary voltage: 380/√3V・Secondary voltage: 110/√3V ・Tertiary voltage: 190/√3V ・Load: Secondary 50VA, Tertiary 1000VA(1min) ・Class: KS C 1706 1.0, IEC 60044-2 1.0/3P ・Frequency: 60Hz (standard), 50Hz (upon request) ・Secondary overvoltage multiple: 1.1Vn Continuous/ 1.9Vn 30s |
| KBG-112 | ・Primary voltage: 380/√3V・Secondary voltage: 110/√3V ・Tertiary voltage: 110/√3V ・Load: Secondary 50VA, Tertiary 1000VA(1min) ・Class: KS C 1706 1.0, IEC 60044-2 1.0/3P ・Frequency: 60Hz (standard), 50Hz (upon request) ・Secondary overvoltage multiple: 1.1Vn Continuous/ 1.9Vn 30s |
| KBG-121 | ・Primary voltage: 380/√3V・Secondary voltage: 190/√3V ・Tertiary voltage: 190/√3V ・Load: Secondary 50VA, Tertiary 1000VA(1min) ・Class: KS C 1706 1.0, IEC 60044-2 1.0/3P ・Frequency: 60Hz (standard), 50Hz (upon request) ・Secondary overvoltage multiple: 1.1Vn Continuous/ 1.9Vn 30s |
| KBG-122 | ・Primary voltage: 380/√3V・Secondary voltage: 190/√3V ・Tertiary voltage: 110/√3V ・Load: Secondary 50VA, Tertiary 1000VA(1min) ・Class: KS C 1706 1.0, IEC 60044-2 1.0/3P ・Frequency: 60Hz (standard), 50Hz (upon request) ・Secondary overvoltage multiple: 1.1Vn Continuous/ 1.9Vn 30s |
| KBG-211 | ・Primary voltage: 440/√3V・Secondary voltage: 110/√3V ・Tertiary voltage: 190/√3V ・Load: Secondary 50VA, Tertiary 1000VA(1min) ・Class: KS C 1706 1.0, IEC 60044-2 1.0/3P ・Frequency: 60Hz (standard), 50Hz (upon request) ・Secondary overvoltage multiple: 1.1Vn Continuous/ 1.9Vn 30s |
| KBG-212 | ・Primary voltage: 440/√3V・Secondary voltage: 110/√3V ・Tertiary voltage: 110/√3V ・Load: Secondary 50VA, Tertiary 1000VA(1min) ・Class: KS C 1706 1.0, IEC 60044-2 1.0/3P ・Frequency: 60Hz (standard), 50Hz (upon request) ・Secondary overvoltage multiple: 1.1Vn Continuous/ 1.9Vn 30s |
| KBG-221 | ・Primary voltage: 440/√3V・Secondary voltage: 190/√3V ・Tertiary voltage: 190/√3V ・Load: Secondary 50VA, Tertiary 1000VA(1min) ・Class: KS C 1706 1.0, IEC 60044-2 1.0/3P ・Frequency: 60Hz (standard), 50Hz (upon request) ・Secondary overvoltage multiple: 1.1Vn Continuous/ 1.9Vn 30s |
| KBG-222 | ・Primary voltage: 440/√3V・Secondary voltage: 190/√3V ・Tertiary voltage: 110/√3V ・Load: Secondary 50VA, Tertiary 1000VA(1min) ・Class: KS C 1706 1.0, IEC 60044-2 1.0/3P ・Frequency: 60Hz (standard), 50Hz (upon request) ・Secondary overvoltage multiple: 1.1Vn Continuous/ 1.9Vn 30s |
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Company information
Our company was founded in 1979 and has grown from producing early analog (needle-type) instruments to digital instruments, as well as products that allow for the observation of electrical data via wireless and the internet. This development reflects the strong commitment of our employees to walk alongside our customers. Additionally, we are making proactive investments in technology development at our affiliated research institute and are thoroughly operating our business processes with a customer-centric approach. We are dedicated to meeting the diverse needs of our customers through more differentiated services. In our case, we have become well-known in South Korea for our measuring instruments (analog, digital meters, and CT, VT). We have been exporting to Japanese companies for over a decade, and we have registered with Ipros to introduce our products to more Japanese customers. In 2022, we registered as a corporation in Tokyo and have since relocated our corporate office to Osaka under the name "LIGHTSTAR JAPAN." We also have Japanese staff on-site, and we look forward to serving you.
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