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MITSUBISHI Circuit Breakers (Low Capacity)（Ampere frame：400AF or higher）
MITSUBISHI offers products Circuit Breakers (Low Capacity) specified by Ampere frame 400AF or higher from Electrical & Controls product category. There are a total of 5 items. Parts and equipment for controlling machines and electrical systems. Controllers and power supplies. MITSUBISHI products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.
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Specification/Dimensions
-
Ampere frame
- 30AF or less
- 32AF
- 50AF
- 60AF
- 63AF
- 100AF to 199AF
- 200AF to 399AF
- 400AF or higher
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Rated block capacity AC 100 V(kA)
-
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)
- 2.5
- 7.5
- 15
- 20
- 40
- 50
- 230
- AC 230 / 400
- AC 415 / DC 125
- AC 550
- AC 550 / DC 250
- AC 690
- AC 690 / DC 500
- acc. to IEC 60898-1 230 V AC
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acc. to IEC 60898-1 230 / 400 V AC
acc. to IEC 60898-1 230 V
acc. to IEC 60947-2 230 V AC -
acc. to IEC 60898-1 230 V AC
acc. to IEC 60947-2 230 V AC -
acc. to IEC 60898-1 230 V AC
acc. to IEC 60947-2 240 V AC -
acc. to IEC 60898-1 230 V AC
acc. to IEC 60947-2 400 V AC - acc. to IEC 60898-1 240 V
-
acc. to IEC 60898-1 240 V AC
acc. to IEC 60898-1 240 V
acc. to IEC 60947-2 240 V AC -
acc. to IEC 60898-1 400 V AC
acc. to IEC 60898-1 400 V
acc. to IEC 60947-2 400 V AC -
acc. to IEC 60898-1 400 V AC
acc. to IEC 60898-1 400 V
acc. to IEC 60947-2 440 V AC -
acc. to IEC 60898-1 400 V AC
acc. to IEC 60947-2 400 V AC -
acc. to IEC 60898-1 400 V AC
acc. to IEC 60947-2 415 V AC -
acc. to IEC 60898-1 400 V AC
acc. to IEC 60947-2 690 V AC -
acc. to IEC 60898-1 400 V AC
acc. to IEC 60947-2 690 V AC - (acc. to IEC 60898-1) 415
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acc. to IEC 60898-1 415 V AC
acc. to IEC 60898-1 415 V
acc. to IEC 60947-2 415 V AC - acc. to IEC 60947-2 240 V
- -
-
Rated block capacity, voltages except VAC 100/200/400, VDC 250
- Available
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Number of Poles
- 1
- 2
- 3
- 4
-
Rated Current(A)
-
Mounting Method
-
Connection Method
- Surface type
- Backside shape
- Embedded Type
- Insert shape
- Insert shape
-
Representative Standard
-
Dimension height(mm)
-
Dimension width(mm)
-
Dimension depth(mm)
Brand |
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|---|---|
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| CAD |
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- 5 items
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You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Molded Case Circuit Breakers (MCCB) NF-CS Series with accessories
MITSUBISHI
Mitsubishi low-voltage breaker contributing to building the future of electrical equipment.
Mitsubishi No-Fuse Breakers and Earth Leakage Circuit Breakers, meeting the needs of the market for over half a century.
Including the new WS-V series equipped with the latest breaker technology, various product ranges are available that address the needs of both the power incoming panel / distribution board market and machinery market.From: ฿ 9,157.00 Special Price Days to Ship: 
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Molded Case Circuit Breakers (MCCB) NF-SV Series with accessories
MITSUBISHI
Mitsubishi low-voltage breaker contributing to building the future of electrical equipment.
Mitsubishi No-Fuse Breakers and Earth Leakage Circuit Breakers, meeting the needs of the market for over half a century.
Including the new WS-V series equipped with the latest breaker technology, various product ranges are available that address the needs of both the power incoming panel / distribution board market and machinery market.From: ฿ 10,602.00 Special Price Days to Ship:
72 Day(s)
72 Day(s)
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Molded Case Circuit Breakers (MCCB) NF-HCW Series with accessories
MITSUBISHI
Mitsubishi low-voltage breaker contributing to building the future of electrical equipment.
Mitsubishi No-Fuse Breakers and Earth Leakage Circuit Breakers, meeting the needs of the market for over half a century.
Including the new WS-V series equipped with the latest breaker technology, various product ranges are available that address the needs of both the power incoming panel / distribution board market and machinery market.From: ฿ 26,185.00 Special Price Days to Ship:
72 Day(s)
72 Day(s)
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025WS-V Series MCCB, NF-S Class (General-Purpose Product)
MITSUBISHI
Mitsubishi Electric Circuit Breaker (Low Capacity) WS-V Series MCCB NF-S Class (General Purpose Product) SW/SDW/SEW Series 400 AF or Higher.From: ฿ 10,602.00 Special Price Days to Ship:
Same day
Same day
-
You can add up to 6 items per a category to the compare list.
Until 31/03/2025
Until 31/03/2025Earth Leakage Circuit Breakers (ELCB) NV-ZCV Series
MITSUBISHI
Mitsubishi low-voltage circuit breaker contributing to the future creation of electrical equipment.
Mitsubishi no-fuse breakers and earth leakage breakers that meet the needs of the market for over half a century.
Including WS-V series equipped with the latest breaker technology. Various product ranges are available to meet the needs of the distribution board and machinery market.From: ฿ 118,325.00 Special Price Days to Ship:
72 Day(s)
72 Day(s)
| Brand |
|---|
| Product Series |
| From |
| Days to Ship |
| 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.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | You can add up to 6 items per a category to the compare list.  Until 31/03/2025 | |
| Brand | MITSUBISHI | MITSUBISHI | MITSUBISHI | MITSUBISHI | MITSUBISHI |
| Product Series | Molded Case Circuit Breakers (MCCB) NF-CS Series with accessories | Molded Case Circuit Breakers (MCCB) NF-SV Series with accessories | Molded Case Circuit Breakers (MCCB) NF-HCW Series with accessories | ||
| From | ฿ 9,157.00 Special Price On Sale Until 31/03/2025 | ฿ 10,602.00 Special Price On Sale Until 31/03/2025 | ฿ 26,185.00 Special Price On Sale Until 31/03/2025 | ฿ 10,602.00 Special Price On Sale Until 31/03/2025 | ฿ 118,325.00 Special Price On Sale Until 31/03/2025 |
| Days to Ship | Same day | 72 Day(s) | 72 Day(s) | Same day | 72 Day(s) |
| Ampere frame | 400AF or higher | 400AF or higher | 400AF or higher | 400AF or higher | 400AF or higher |
| Rated block capacity AC 100 V(kA) | - | - | - | - | 85 |
| Rated block capacity AC 200 V(kA) | 50 | 85 ～ 125 | 100 | 85 | 85 |
| Rated block capacity AC 400 V(kA) | 36 | 45 ～ 85 | 70 | 45 ～ 50 | 50 |
| Rated Braking Capacity at Rated Voltage of VDC 250(kA) | 20 | 40 | - | 40 | - |
| Rated block capacity, voltages except VAC 100/200/400, VDC 250 | Available | Available | Available | Available | Available |
| Number of Poles | 2 / 3 | 2 / 3 / 4 | 3 | 2 / 3 / 4 | 4 |
| Rated Current(A) | 250 ～ 630 | 1,200 ～ 630 | 400 | 250 ～ 600 | 400 |
| Mounting Method | - | - | - | - | - |
| Connection Method | Surface type | Surface type | Surface type | Surface type | Surface type |
| Representative Standard | CE / CCC | CE / CCC | CE / CCC | CE / CCC | - |
| Dimension height(mm) | 257 | 257 ～ 406 | 257 | 257 | 257 |
| Dimension width(mm) | 140 | 140 ～ 280 | 140 | 140 ～ 185 | 185 |
| Dimension depth(mm) | 134 ～ 155 | 155 ～ 190 | 155 | 155 | 155 |
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Related Categories to 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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