SGR Busbar Zero Sequence Current Transformer (ZCT) 'KGB-□S'
KGB-□S
ZCT for busbars 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 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 current alarm receiver. Features: - Designed with dimensions categorized by the type of applicable circuit breakers, 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".
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basic information
Common Specifications Maximum Voltage: AC 600V or below for lines Frequency: 50/60Hz Leakage Current Rated Input/Output: AC 200mA / 1.5mA Operating Ambient Temperature: -10℃ to 50℃ Accuracy: H Class (±15% at 200mA to 500mA) Insulation Resistance: Secondary Terminal - Outer Box Iron Support: DC 500V/100kΩ Insulation Withstand Voltage: Secondary Terminal - Outer Box Iron Support: AC 1500V/1min Outer Box Material: ABS Flame Retardant
Price information
KGB-05S: 18,000 yen KGB-07S: 22,500 yen KGB-11S: 24,000 yen
Price range
P2
Delivery Time
P4
※There is an agency in Yokohama, Japan, that has stock available.
Applications/Examples of results
It is designed to be installed on a wiring system below 600V, allowing the total circuit current to flow through the primary side of the current transformer, so that the vector sum of the currents is output on the secondary side.
Detailed information
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This is the order specification for KGB-□S. Please refer to it.
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This is the attachment diagram for KGB-□S. Please refer to it.
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This is the dimensional diagram of KGB-□S. Please refer to it.
Line up（3）
| Model number | overview |
|---|---|
| KGB-05S | ・Applicable circuit breaker: 400AF (3P3W, 3P4W) (linear type) ・Rated primary current: 400A ・External dimensions: Width 225 × Height 90 × Depth 52 mm ・Corner window: 163x30 mm ・Weight: 550g |
| KGB-07S | ・Applicable circuit breaker: 400AF (3P4W) (expanded type), 600AF (3P3W) ・Rated primary current: 600A ・External dimensions: Width 270 × Height 90 × Depth 52 mm ・Corner window: 210x30 mm ・Weight: 880g |
| KGB-11S | ・Applicable circuit breaker: 600AF (3P4W), 800AF (3P3W, 3P4W), 1000AF (3P3W, 3P4W) ・Rated primary current: 1000A ・External dimensions: Width 330 × Height 100 × Depth 56 mm ・Corner window: 260x30 mm ・Weight: 1400g |
catalog（1）
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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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