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LSIS Earth Leakage Breakers (Low Capacity)
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Household Earth Leakage Circuit Breaker KGR-K Series
LSIS
【Features】・Suitable for the panel board assembled with the BK- series (molded-case circuit breaker)・Set up for use as DIN Rail - cum- Screw・KS Certified Product
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 30AF or less - - - 2 - 16A ～ 32A 15MA ～ 30MA - - - - - - - From: 564,355 VND Days to Ship: Số ngày giao hàng: 20 Day(s) 
20 Day(s)
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You can add up to 6 items per a category to the compare list.
Household Earth Leakage Circuit Breaker GR-K Series
LSIS
【Features】・Suitable for final circuit of house・Suitable for the panel board assembled with the BS-K series (molded-case circuit breaker)・Set up for use as DIN Rail - cum- Screw・KS Certified Product ・Improved stability and reliability through the use of a terminal cover (Applicable device type : 32GRhc-K, 32GRhd-K)- Quantity : 100EA/1Box
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 30AF or less - - - 2 - 16A ～ 32A 15MA ～ 30MA - - - - - - - From: 598,393 VND Days to Ship: Số ngày giao hàng: 20 Day(s)
20 Day(s)
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You can add up to 6 items per a category to the compare list.
Household Earth Leakage Circuit Breaker EGR-K Series
LSIS
【Features】・Increased breaking capacity : Based on 5kA AC220V (Existing Capacity 2.5kA)・Expanded rated current capacity : Expanded to 40, 50A (Existing Capacity 15, 20, 30A)・Holds momentary and instantaneous characteristics Diversified installation methods : DIN-Rail and Screw attachable・Terminal connection method : Supports ring type terminal, Separate product offer・KS Certified Product
Ampere frame AF Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Number of Poles Rated Operating Voltage(V) Rated Current(A) rate sensitivity current(mA) Mounting Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Connection Method 30AF or less / 50AF - - - - - 16A ～ 50A 15MA ～ 30MA - - - - - - - From: 739,261 VND Days to Ship: Số ngày giao hàng: 26 Day(s)
26 Day(s)
| BrandNhãn hiệu |
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| Product SeriesDòng sản phẩm |
| From |
| Days to ShipSố ngày giao hàng |
| Ampere frame AF |
| Rated block capacity AC 100 V(kA) |
| Rated block capacity AC 200 V(kA) |
| Rated block capacity AC 400 V(kA) |
| Number of Poles |
| Rated Operating Voltage(V) |
| Rated Current(A) |
| rate sensitivity current(mA) |
| Mounting Method |
| Representative Standard |
| Dimension height(mm) |
| Dimension width(mm) |
| Dimension depth(mm) |
| Rated block capacity, voltages except VAC 100/200/400, VDC 250 |
| Connection Method |
You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list.  | |
| BrandNhãn hiệu | LSIS | LSIS | LSIS |
| Product SeriesDòng sản phẩm | |||
| From | 564,355 VND- | 598,393 VND- | 739,261 VND- |
| Days to ShipSố ngày giao hàng | 20 Day(s) | 20 Day(s) | 26 Day(s) |
| Ampere frame AF | 30AF or less | 30AF or less | 30AF or less / 50AF |
| Rated block capacity AC 100 V(kA) | - | - | - |
| Rated block capacity AC 200 V(kA) | - | - | - |
| Rated block capacity AC 400 V(kA) | - | - | - |
| Number of Poles | 2 | 2 | - |
| Rated Operating Voltage(V) | - | - | - |
| Rated Current(A) | 16A ～ 32A | 16A ～ 32A | 16A ～ 50A |
| rate sensitivity current(mA) | 15MA ～ 30MA | 15MA ～ 30MA | 15MA ～ 30MA |
| Mounting Method | - | - | - |
| Representative Standard | - | - | - |
| Dimension height(mm) | - | - | - |
| Dimension width(mm) | - | - | - |
| Dimension depth(mm) | - | - | - |
| Rated block capacity, voltages except VAC 100/200/400, VDC 250 | - | - | - |
| Connection Method | - | - | - |
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Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Ampere frame AF
- 30AF or less
- 50AF
- 60AF
- 100AF to 199AF
- 400AF or higher
- Other
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Rated block capacity AC 100 V(kA)
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Rated block capacity AC 200 V(kA)
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Rated block capacity AC 400 V(kA)
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Number of Poles
- 2
- 3
- 4
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Rated Operating Voltage(V)
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Rated Current(A)
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rate sensitivity current(mA)
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Mounting Method
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Representative Standard
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Dimension height(mm)
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Dimension width(mm)
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Dimension depth(mm)
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Rated block capacity, voltages except VAC 100/200/400, VDC 250
- Available
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Connection Method
- Surface type
Related Categories to Earth Leakage Breakers (Low Capacity)Danh mục liên quan đến Earth Leakage Breakers (Low Capacity)
FAQ Earth Leakage Breakers (Low Capacity)
- Question: What is the function and capacity of an Earth Leakage Circuit Breaker (ELCB)?
- Answer: An Earth Leakage Circuit Breaker (ELCB) is a crucial safety device in electrical installations. Its primary function is to protect individuals from electric shock by automatically disconnecting the power supply when a fault occurs. ELCBs are designed to detect imbalances in the current flowing between live and neutral conductors. When a leakage current exceeds its rated value (typically 30mA or 100mA), the ELCB trips, interrupting the circuit and preventing potentially fatal injuries. This rapid response time ensures immediate protection against electric shock hazards.
- Question: What are the typical reasons for an ELCB to trip, and how does one troubleshoot it?
- Answer: ELCB Tripping: Reasons and Troubleshooting
Common Reasons:
1.Earth Leakage: Current flows through unintended path (faulty appliance, wiring, water).
2.Circuit Overload: Current exceeds ELCB's rating (too many appliances).
3.Nuisance Trips: High sensitivity, electrical noise, power surges.
4.Troubleshooting:
Identify affected circuit and appliances.
1.Turn off all appliances and reset ELCB.
2.Switch on appliances one by one to find the culprit.
3.Repair/replace faulty appliance or fix wiring.
4.Test ELCB again with all appliances on. - Question: How does one determine the appropriate tripping capacity and minimum rating for an ELCB?
- Answer: 1. Tripping Capacity: This depends on potential fault currents and the maximum allowable leakage. Factors include:
- Fault Current Loop Impedance: The resistance of the path the fault current takes to Earth, influencing how quickly the ELCB trips.
- Maximum Earth Fault Current: The highest current the ELCB should allow to flow before tripping, typically 30mA or 100mA.
2.Minimum Current Rating: This is based on the circuit's maximum current demand and needs to be equal to or higher than the expected circuit load. Factors include:
- Circuit Load: The total current drawn by all appliances connected to the circuit.
- Diversity Factor: Considers that all appliances won't operate at maximum load simultaneously. - Question: What are the standard sizes of earth leakage, and how do you calculate the correct size for your needs?
- Answer: Earth leakage circuit breakers (ELCBs) come in a range of standard sizes, typically specified by their rated current (In) and tripping sensitivity (IΔn). Common sizes include:
1.Current (In): 16A, 20A, 25A, 32A, 40A, 63A, 80A, 100A, 125A
2.Sensitivity (IΔn): 30mA, 100mA, 300mA
Choosing the correct size for your needs involves two main considerations:
1.Maximum Current Demand: Calculate the total current drawn by all appliances connected to the circuit.
2.Tripping Sensitivity: Based on safety requirements and potential fault scenarios.
Example: Sum all appliance currents:
Appliance A: 300W (1.3A)
Appliance B: 500W (2.17A)
Total current demand: 3.47A
This means you need an ELCB with a rated current (In) equal to or greater than 3.47A. - Question: How do you measure earth leakage current, and what is the acceptable range for safety standards?
- Answer: Measuring earth leakage current requires a specialized instrument called an earth leakage clamp meter. It clamps around the earth conductor of the circuit and measures the current flowing through it. Acceptable levels for safety vary depending on regulations and application:
- IEC 60364-4-42: 30mA maximum for general residential installations.
- BS 7671: 30mA for most domestic circuits, 100mA for specific situations (e.g., bathrooms).
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