Shunt for splitter (current transformer CT, potential transformer PT) 'KBY-□'
KBY-□
Shunt used for direct current! Please use it first. Instruments for distribution boards, control panels, sub-distribution boards, and panels.
KBY-□ is our company's shunt. A shunt is used to measure the current in a direct current circuit. When the current in the circuit exceeds the rated value of the ammeter, a parallel circuit is created with the ammeter to divert the current for measurement. The circuit (resistor) that diverts the current in this way is called a shunt. The rated current display value of the shunt indicates the maximum current that can be measured, while the rated voltage drop value refers to the voltage drop between the output terminals when the maximum current flows through the shunt. This varies depending on the specifications of the measuring instrument, primarily being 50 mV or 60 mV. The grade of the shunt is classified into 0.5% and 1.0% based on the allowable limit after passing 80% of the rated current for 15 minutes.
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basic information
【Specifications】 - Primary current: KBY-1: 1A~50A KBY-2: 60A~150A KBY-3: 200A~300A KBY-4: 400~600A, 750A~1000A, 1200A~1500A KBY-5: 2000A, 2500A, 3000A, 4000A KBY-6: 5000A, 6000A, 7000A, 8000A, 9000A, 10000A - Rated voltage drop: 50mV, 60mV - Class: Class 1.0, Class 0.5 - Insulation resistance: 10MΩ (KBY-1~3), none applicable (KBY-4~6) - Dielectric strength: withstands 2kV for 1 minute (KBY-1~3), none applicable (KBY-4~6) - Dimensions: varies by model - Weight: varies by model
Price information
KBY-1: 900 yen KBY-2: 980 yen, 1,050 yen, 1,130 yen, 1,200 yen KBY-3: 1,500 yen, 1,650 yen, 1,800 yen KBY-4: 3,000 yen, 3,450 yen, 4,200 yen, 5,100 yen, 6,300 yen, 9,000 yen, 10,950 yen, 15,000 yen KBY-5: 22,500 yen, 30,000 yen, 37,500 yen, 67,500 yen KBY-6: 82,500 yen, 105,000 yen, 180,000 yen, 195,000 yen, 225,000 yen The above amounts are based on 50㎷ and 1.0 grade standards.
Price range
P2
Delivery Time
P4
※There is an agency in Yokohama, Japan, that has stock available.
Applications/Examples of results
It is a resistor used to expand the current measurement range by connecting in parallel with the ammeter.
Detailed information
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This is how to place an order for KBY-□. Please refer to it.
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This is the specification for KBY-□. Please refer to it.
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This is the voltage drop value for a 100m one-way distance based on the current and cross-sectional area of KBY-□. Please refer to it.
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This is the outline drawing of KBY-1. Please refer to it.
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This is the outline drawing of KBY-2. Please refer to it.
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This is the outline drawing of KBY-3. Please refer to it.
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This is the outline drawing of KBY-4. Please refer to it.
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This is the outline drawing of KBY-5. Please refer to it.
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This is the outline drawing of the KBY-6. Please refer to it.
Line up（6）
| Model number | overview |
|---|---|
| KBY-1 | ・Dimensions: Width 80× Height 31× Depth 25 mm ・Weight: 100g ・Primary current: 1A~50A ・Rated voltage drop: 50.0㎷, 60.0㎷ ・Class: Class 1.0 ・Insulation resistance: 10㏁ ・Withstand voltage: 2㎸/1 minute |
| KBY-2 | ・Dimensions: Width 120× Height 31× Depth 25 mm ・Weight: 180g ・Primary current: 60A~150A ・Rated voltage drop: 50.0㎷, 60.0㎷ ・Class: Class 1.0 ・Insulation resistance: 10㏁ ・Withstand voltage: 2㎸/1 minute |
| KBY-3 | ・Dimensions: Width 120× Height 31× Depth 35 mm ・Weight: 200g ・Primary current: 200A~300A ・Rated voltage drop: 50.0㎷, 60.0㎷ ・Class: Class 1.0 ・Insulation resistance: 10㏁ ・Withstand voltage: 2㎸/1 minute |
| KBY-4 | ・Dimensions: Width 130±1.5× Height 28× Depth 30 mm ・Weight: 480g, 800g, 1200g ・Primary current: 400A~600A, 750A~1000A, 1200A~1500A ・Rated voltage drop: 50.0㎷, 60.0㎷ ・Class: Class 1.0 ・Insulation resistance: 10㏁ ・Withstand voltage: 2㎸/1 minute |
| KBY-5 | ・Dimensions: Width 150±1.5× Height 60× Depth 125 mm ・Weight: 1660g, 2200g, 2800g, 3400g ・Primary current: 2000A, 2500A, 3000A, 4000A ・Rated voltage drop: 50.0㎷, 60.0㎷ ・Class: Class 1.0 ・Insulation resistance: 10㏁ ・Withstand voltage: 2㎸/1 minute |
| KBY-6 | ・Dimensions: Width 180±1.5× Height 85× Depth 125 mm ・Weight: 1660g, 2200g, 2800g, 3400g ・Primary current: 2000A, 2500A, 3000A, 4000A ・Rated voltage drop: 50.0㎷, 60.0㎷ ・Class: Class 1.0 ・Insulation resistance: 10㏁ ・Withstand voltage: 2㎸/1 minute |
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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