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Circuit Breakers (Low Capacity)（Ampere frame：50AF）
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Molded Case Circuit Breakers (MCCB) NF-SV Series
MITSUBISHI
The industry's smallest breaker is here. General purpose product
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - - 7.5 7.5 - 2 / 3 / 4 10 ～ 50 DIN/Screw retention Surface type PSE / CE / CCC 130 50 ～ 100 90 From: 443,750 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more 
7 Day(s) or more
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Molded Case Circuit Breakers (MCCB) NF-SVFU Series with accessories
MITSUBISHI
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - - 10 - Available 2 / 3 3 ～ 50 DIN rail mount Surface type PSE / CE / CCC 120 36 90 From: 2,465,000 VND Days to Ship: Số ngày giao hàng: Quote
Quote
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Molded Case Circuit Breakers (MCCB) NF-SVF Series with accessories
MITSUBISHI
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - 15 10 - - 2 / 3 10 ～ 50 DIN/Screw retention Surface type PSE / CE / TUV / CCC 100 36 ～ 54 54 From: 1,185,000 VND Days to Ship: Số ngày giao hàng: Quote
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Molded Case Circuit Breakers (MCCB) NF-CV/SV
MITSUBISHI
The industry's smallest breaker is here. For motor protection
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - 7.5 5 ～ 7.5 2.5 - 2 / 3 4 ～ 50 DIN/Screw retention Surface type PSE / CE / TUV / CCC 100 ～ 130 36 ～ 75 90 From: 390,000 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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Molded Case Circuit Breakers (MCCB) NF-HRV Series
MITSUBISHI
- MCCB (Molded Case Circuit Breakers) High performance class NF-HRV series from Mitsubishi electric. - Frame size is 50. - No. of pole can be select 2 or 3 poles. - Applicable for both AC/DC. - Rated ambient temperature 40°C. - Rated current can be select up to 50 A. - Rated insulation voltage (Ui) is 690 V - Mechanical duration (On/Off) is up to 25,000 times. - Electrical duration (On/Off) is up to 10,000 times. - Possible to reverse connection.
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - 25 10 7.5 - 2 / 3 / 4 10 ～ 50 DIN/Screw retention Surface type PSE / CE / CCC 130 50 ～ 100 90 From: 490,000 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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Molded Case Circuit Breaker (SK/SBH Series)
SEOUL INDUSTRIAL ELECTRIC
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - 5 ～ 10 5 ～ - - Available 2 / 3 30 ～ 50 Fasten With Screws Surface type - 96 ～ 96.2 50 ～ 75 77 From: 530,487 VND Days to Ship: Số ngày giao hàng: 4 Day(s) or more
4 Day(s) or more
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UL 489 Listed MCCB, UL Compliant Product
MITSUBISHI
- Low-Voltage Circuit Breakers MCCB (Molded Case Circuit Breakers) NF series from Mitsubishi electric. - The molded case circuit breaker (MCCB) opens and closes a low voltage circuit and breaks the fault current (an overload current or short circuit current) automatically, to protect the wirings/conductors of the circuit. - MCCB (Molded Case Circuit Breakers) NF series have 4 types available, NF-C (Economy type), NF-S (Standard type), NF-H (High-performance type) and NF-U (Current limiting-type ultra-breaker). - Rated ambient temperature 40°C. - Number of poles is up to 4. - Rated current can be select up to 440 A.
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - - - - Available 1 2 ～ 3 DIN rail mount Surface type CE / UL / CSA 124 18 70 From: 1,420,000 VND Days to Ship: Số ngày giao hàng: Quote
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Molded Case Circuit Breaker for Distribution Board
DACO
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - - - - - 2 / 3 15 ～ 50 - - - 35 ～ 98.5 50 ～ 98.5 - From: 569,297 VND Days to Ship: Số ngày giao hàng: 10 Day(s)
10 Day(s)
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Molded Case Circuit Breaker-JBE Series (for 50AF Distribution Board)
JINHUENG ELEC
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - - - - - 2 15A ～ 50A - - - - 75 - From: 558,115 VND Days to Ship: Số ngày giao hàng: 7 Day(s) or more
7 Day(s) or more
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Molded Case Circuit Breaker-JBE Series (50AF)
JINHUENG ELEC
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - - - - - 2 5A ～ 50A - - - 96 50 - From: 477,860 VND Days to Ship: Số ngày giao hàng: 7 Day(s)
7 Day(s)
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Miniature Circuit Breakers BH Series
MITSUBISHI
From 30A frame to 1600A frame expanding the series with renewed models
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - - - - - 2 10 Fasten With Screws Surface type PSE 95 50 77.5 From: 721,250 VND Days to Ship: Số ngày giao hàng: Quote
Quote
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Molded Case Circuit Breaker-JBS Series (50AF)
JINHUENG ELEC
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - - - - - 3 5A ～ 50A - - - 96 75 - From: 699,078 VND Days to Ship: Số ngày giao hàng: 7 Day(s)
7 Day(s)
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You can add up to 6 items per a category to the compare list.
Distribution Board, Molded Case Circuit Breaker DSB Series (30/50AF)
DONG A ELECTRIC DEVICE
Ampere frame Rated block capacity AC 100 V(kA) Rated block capacity AC 200 V(kA) Rated block capacity AC 400 V(kA) Rated Braking Capacity at Rated Voltage of VDC 250(kA) Rated block capacity, voltages except VAC 100/200/400, VDC 250 Number of Poles Rated Current(A) Mounting Method Connection Method Representative Standard Dimension height(mm) Dimension width(mm) Dimension depth(mm) 50AF - - - - Available 2 / 3 / 4 15 ～ 50 Fasten With Screws Surface type CE 80 35 ～ 73.5 76 From: 545,016 VND Days to Ship: Số ngày giao hàng: 10 Day(s)
10 Day(s)
| BrandNhãn hiệu |
|---|
| Product SeriesDòng sản phẩm |
| From |
| Days to ShipSố ngày giao hàng |
| Ampere frame |
| Rated block capacity AC 100 V(kA) |
| Rated block capacity AC 200 V(kA) |
| Rated block capacity AC 400 V(kA) |
| Rated Braking Capacity at Rated Voltage of VDC 250(kA) |
| Rated block capacity, voltages except VAC 100/200/400, VDC 250 |
| Number of Poles |
| Rated Current(A) |
| Mounting Method |
| Connection Method |
| Representative Standard |
| Dimension height(mm) |
| Dimension width(mm) |
| Dimension depth(mm) |
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.  | 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.  | |
| BrandNhãn hiệu | MITSUBISHI | MITSUBISHI | MITSUBISHI | MITSUBISHI | MITSUBISHI | SEOUL INDUSTRIAL ELECTRIC | MITSUBISHI | DACO | JINHUENG ELEC | JINHUENG ELEC | MITSUBISHI | JINHUENG ELEC | DONG A ELECTRIC DEVICE |
| Product SeriesDòng sản phẩm | Molded Case Circuit Breakers (MCCB) NF-SVFU Series with accessories | Molded Case Circuit Breakers (MCCB) NF-SVF Series with accessories | Molded Case Circuit Breaker-JBE Series (for 50AF Distribution Board) | Distribution Board, Molded Case Circuit Breaker DSB Series (30/50AF) | |||||||||
| From | 443,750 VND | 2,465,000 VND | 1,185,000 VND | 390,000 VND | 490,000 VND | 530,487 VND | 1,420,000 VND | 569,297 VND | 558,115 VND | 477,860 VND | 721,250 VND | 699,078 VND | 545,016 VND |
| Days to ShipSố ngày giao hàng | 7 Day(s) or more | Quote | Quote | 7 Day(s) or more | 7 Day(s) or more | 4 Day(s) or more | Quote | 10 Day(s) | 7 Day(s) or more | 7 Day(s) | Quote | 7 Day(s) | 10 Day(s) |
| Ampere frame | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF | 50AF |
| Rated block capacity AC 100 V(kA) | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Rated block capacity AC 200 V(kA) | - | - | 15 | 7.5 | 25 | 5 ～ 10 | - | - | - | - | - | - | - |
| Rated block capacity AC 400 V(kA) | 7.5 | 10 | 10 | 5 ～ 7.5 | 10 | 5 ～ - | - | - | - | - | - | - | - |
| Rated Braking Capacity at Rated Voltage of VDC 250(kA) | 7.5 | - | - | 2.5 | 7.5 | - | - | - | - | - | - | - | - |
| Rated block capacity, voltages except VAC 100/200/400, VDC 250 | - | Available | - | - | - | Available | Available | - | - | - | - | - | Available |
| Number of Poles | 2 / 3 / 4 | 2 / 3 | 2 / 3 | 2 / 3 | 2 / 3 / 4 | 2 / 3 | 1 | 2 / 3 | 2 | 2 | 2 | 3 | 2 / 3 / 4 |
| Rated Current(A) | 10 ～ 50 | 3 ～ 50 | 10 ～ 50 | 4 ～ 50 | 10 ～ 50 | 30 ～ 50 | 2 ～ 3 | 15 ～ 50 | 15A ～ 50A | 5A ～ 50A | 10 | 5A ～ 50A | 15 ～ 50 |
| Mounting Method | DIN/Screw retention | DIN rail mount | DIN/Screw retention | DIN/Screw retention | DIN/Screw retention | Fasten With Screws | DIN rail mount | - | - | - | Fasten With Screws | - | Fasten With Screws |
| Connection Method | Surface type | Surface type | Surface type | Surface type | Surface type | Surface type | Surface type | - | - | - | Surface type | - | Surface type |
| Representative Standard | PSE / CE / CCC | PSE / CE / CCC | PSE / CE / TUV / CCC | PSE / CE / TUV / CCC | PSE / CE / CCC | - | CE / UL / CSA | - | - | - | PSE | - | CE |
| Dimension height(mm) | 130 | 120 | 100 | 100 ～ 130 | 130 | 96 ～ 96.2 | 124 | 35 ～ 98.5 | - | 96 | 95 | 96 | 80 |
| Dimension width(mm) | 50 ～ 100 | 36 | 36 ～ 54 | 36 ～ 75 | 50 ～ 100 | 50 ～ 75 | 18 | 50 ～ 98.5 | 75 | 50 | 50 | 75 | 35 ～ 73.5 |
| Dimension depth(mm) | 90 | 90 | 54 | 90 | 90 | 77 | 70 | - | - | - | 77.5 | - | 76 |
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ConfigureTạo
Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
-
Ampere frame
- 30AF or less
- 32AF
- 50AF
- 60AF
- 63AF
- 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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Rated Braking Capacity at Rated Voltage of VDC 250(kA)
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Rated block capacity, voltages except VAC 100/200/400, VDC 250
- Available
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Number of Poles
- 1
- 2
- 3
- 4
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Rated Current(A)
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Mounting Method
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Connection Method
- Surface type
- Backside shape
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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)
Related Categories to Circuit Breakers (Low Capacity)Danh mục liên quan đến Circuit Breakers (Low Capacity)
FAQ Circuit Breakers (Low Capacity)
- Question: Types of circuit breaker and their applications.
- Answer: Circuit breakers mainly are categorized based on application as per voltage.
1. Low Voltage Circuit Breaker
Low-voltage circuit breakers are typically used in applications such as lighting circuits, motor control centers, feeder circuits, and any application in which electrical power needs to be turned on and off and overcurrent protection is required.
2. Medium Voltage Circuit Breakers
Medium voltage breakers are designed to be operated electrically by a closing solenoid or a stored energy mechanism. Manual operation is used primarily for breaker maintenance.
3. HIGH-VOLTAGE CIRCUIT BREAKERS
High-voltage circuit breakers are mechanical switching devices that connect and break current circuits (operating currents and fault currents) and carry the nominal current in the closed position. - Question: What can cause the main circuit breaker to trip?
- Answer: The most common cause of a tripped circuit breaker is an overload in that circuit. Each circuit is only intended to carry a certain electrical load, and if it exceeds this load, it will cause the breaker to trip. This is important, as overloading a circuit can cause the wiring to heat up and potentially create a fire risk. In fact, it is this excess heat running through the circuit that causes the breaker to trip.
- Question: How we know that have to replace breaker?
- Answer: 1. Breaker trips frequently.
2. Burning smell coming from the electrical panel.
3. Poorly performing appliances and light fixtures.
4. Breaker fails to stay in reset mode.
5. Visible signs of physical damage. - Question: How do I know whether to get a 15 or 20 A circuit breaker?
- Answer: Calculate the total current of all electrical equipment. that want to be connected to the breaker The sum of the calculated current should not exceed 80% of the breaker capacity. For example, a 15 A breaker can be connected to external devices up to 12A (15 x 0.80 = 12), and a 20 A breaker can be connected to external devices up to 16A (20 x 0.80 = 16). This can lead to calculation errors and can cause a fire.
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