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NITTO KOGYO Earth Leakage Breakers (Low Capacity)
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Specification/Dimensions
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Ampere frame AF
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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
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Connection Method
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- 7 items
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Short-circuit breaker (in agreement form) PH type with plug-ins unit
NITTO KOGYO
For i-power · F type and E type. This is an agreement type earth leakage breaker with branch plug-in unit.From: ฿ 6,242.31 Days to Ship: 
9 Day(s)
9 Day(s)
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You can add up to 6 items per a category to the compare list.
Short-circuit breaker (in agreement form) PL type with plug-ins unit
NITTO KOGYO
i power · B type branch plug-in unit agreement type earth leakage breaker.From: ฿ 5,601.33 Days to Ship:
9 Day(s)
9 Day(s)
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You can add up to 6 items per a category to the compare list.
GE earth leakage breaker (economy type) E series surface type
NITTO KOGYO
Front-mount type earth leakage circuit breaker
[Features]
・ Low-Priced Economical Type
・ Overcurrent trip method: Thermal-magnetic
・ Terminal Structure: Wire clamp terminal M5
・ Compatible crimp terminals: R2-5 to CB22-5S
・ Reverse connections: Not connectable (* GE53A can be used as a reverse connectable type only for grid interconnection such as solar power generation system)
・ Applicable standards: JIS C 8201-2-2 Ann2From: ฿ 3,818.22 Days to Ship:
5 Day(s)
5 Day(s)
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You can add up to 6 items per a category to the compare list.
GE earth leakage breaker (economy type) E series recessed type
NITTO KOGYO
Embedded type leakage breaker.From: ฿ 6,043.52 Days to Ship:
9 Day(s)
9 Day(s)
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You can add up to 6 items per a category to the compare list.
GE earth leakage breaker (economy type) E series reverse type
NITTO KOGYO
Back side type leakage breaker.From: ฿ 4,773.65 Days to Ship:
9 Day(s)
9 Day(s)
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You can add up to 6 items per a category to the compare list.
GE-PL·GE-PH leakage breaker with plug-in unit (economical)
NITTO KOGYO
[Features]
· Leakage breaker with plug-in unit.
· Surface breaker and IPlug (plug-in unit) constitutes a breaker with a plug-in unit.From: ฿ 6,333.78 Days to Ship:
9 Day(s)
9 Day(s)
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You can add up to 6 items per a category to the compare list.
![[WEB] Water-proof and dust-proof enclosed breaker, electricity leakage breaker](//th.misumi-ec.com/en/linked/material/el/NTO1/PHOTO/222004927918.jpg?$product_view_b$)
[WEB] Water-proof and dust-proof enclosed breaker, electricity leakage breaker
NITTO KOGYO
Box breaker mounted in a dust-proof and waterproof enclosure.
[Features]
·Uses a dustproof and waterproof iron cabinet that prevents water droplets, dust, wood chips, and iron scraps from entering.
·It is possible to lock the handle part and the cabinet part in 2 places, preventing troubles due to erroneous operation.
・ Color: Light beige paint (5Y7/1)
・ Place: Indoor
・ IP standard: IP54
・ Cabinet material: Steel
・ Powder coatingFrom: ฿ 11,469.39 Days to Ship:
9 Day(s)
9 Day(s)
![[WEB] Water-proof and dust-proof enclosed breaker, electricity leakage breaker](http://th.misumi-ec.com/en/linked/material/el/NTO1/PHOTO/222004927918.jpg?$product_view_b$)
| Brand |
|---|
| Product Series |
| CAD |
| From |
| Days to Ship |
| 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.  | 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.  | You can add up to 6 items per a category to the compare list. ![[WEB] Water-proof and dust-proof enclosed breaker, electricity leakage breaker](http://th.misumi-ec.com/en/linked/material/el/NTO1/PHOTO/222004927918.jpg?$product_view_c$) | |
| Brand | NITTO KOGYO | NITTO KOGYO | NITTO KOGYO | NITTO KOGYO | NITTO KOGYO | NITTO KOGYO | NITTO KOGYO |
| Product Series | Short-circuit breaker (in agreement form) PH type with plug-ins unit | Short-circuit breaker (in agreement form) PL type with plug-ins unit | GE earth leakage breaker (economy type) E series surface type | GE earth leakage breaker (economy type) E series recessed type | GE earth leakage breaker (economy type) E series reverse type | [WEB] Water-proof and dust-proof enclosed breaker, electricity leakage breaker | |
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| From | ฿ 6,242.31 | ฿ 5,601.33 | ฿ 3,818.22 | ฿ 6,043.52 | ฿ 4,773.65 | ฿ 6,333.78 | ฿ 11,469.39 |
| Days to Ship | 9 Day(s) | 9 Day(s) | 5 Day(s) | 9 Day(s) | 9 Day(s) | 9 Day(s) | 9 Day(s) |
| Ampere frame AF | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF |
| Rated block capacity AC 100 V(kA) | 2.5 | 2.5 | 10 | 10 | 10 | 10 | 10 |
| Rated block capacity AC 200 V(kA) | 2.5 | 2.5 | 10 | 10 | 10 | 10 | 10 |
| Rated block capacity AC 400 V(kA) | - | - | - | - | - | - | - |
| Number of Poles | 2 / 3 | 2 / 3 | 2 / 3 | 2 / 3 | 2 / 3 | 2 / 3 | 3 |
| Rated Operating Voltage(V) | - | - | 100, 200, 240 shared ～ 100, 200, 415 shared | 100, 200, 240 shared ～ 100, 200, 415 shared | 100, 200, 240 shared ～ 100, 200, 415 shared | 100, 200, 240 shared ～ 100, 200, 415 shared | - |
| Rated Current(A) | 1.4 ～ 50 | 1.4 ～ 50 | 30 ～ 50 | 20 ～ 50 | 20 ～ 50 | 20 ～ 50 | 40 ～ 50 |
| rate sensitivity current(mA) | 15 ～ 100 | 15 ～ 100 | 30 ～ 100 | 30 ～ 100 | 30 ～ 100 | 30 ～ 100 | - |
| Mounting Method | Fasten With Screws | Fasten With Screws | Fasten With Screws | Fasten With Screws | Fasten With Screws | Fasten With Screws | - |
| Representative Standard | PSE | PSE | PSE | PSE | PSE | PSE | - |
| Dimension height(mm) | 252 | 252 | 130 | 200 | - | 252 | 300 |
| Dimension width(mm) | 60 ～ 75 | 60 ～ 75 | 75 | 120 | - | 75 | 150 |
| Dimension depth(mm) | 194 | 150 | 90 | 144 | - | 154 ～ 198 | 120 |
| Rated block capacity, voltages except VAC 100/200/400, VDC 250 | - | - | Available | Available | Available | Available | Available |
| Connection Method | Insert shape | Insert shape | Surface type | Embedded Type | Backside shape | Insert shape | - |
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Related Categories to 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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