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Circuit Breakers (Low Capacity)（Representative Standard：CSA）
Circuit Breakers (Low Capacity) products in the Electrical & Controls category. Specified by Representative Standard CSA. There are around 1 items of Circuit Breakers (Low Capacity) products available and the specifications can easily be compared. Parts and equipment for controlling machines and electrical systems. Controllers and power supplies. Circuit Breakers (Low Capacity) offers a wide selection, on time free shipping no minimum order with 24/7 support.
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1 itemsMặt hàng
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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 - - 10 - Available 1 / 3 2 ～ 10 DIN rail mount Surface type CSA 124 18 ～ 54 70 Days to Ship: Số ngày giao hàng: 14 Day(s) or more 
14 Day(s) or more
| BrandNhãn hiệu |
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| 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.  | |
| BrandNhãn hiệu | MITSUBISHI |
| Product SeriesDòng sản phẩm | |
| From | |
| Days to ShipSố ngày giao hàng | 14 Day(s) or more |
| Ampere frame | 50AF |
| Rated block capacity AC 100 V(kA) | - |
| Rated block capacity AC 200 V(kA) | - |
| Rated block capacity AC 400 V(kA) | 10 |
| Rated Braking Capacity at Rated Voltage of VDC 250(kA) | - |
| Rated block capacity, voltages except VAC 100/200/400, VDC 250 | Available |
| Number of Poles | 1 / 3 |
| Rated Current(A) | 2 ～ 10 |
| Mounting Method | DIN rail mount |
| Connection Method | Surface type |
| Representative Standard | CSA |
| Dimension height(mm) | 124 |
| Dimension width(mm) | 18 ～ 54 |
| Dimension depth(mm) | 70 |
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Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Ampere frame
- 30AF or less
- 32AF
- 50AF
- 60AF
- 63AF
- 100AF to 199AF
- 200AF to 399AF
- 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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