NBT1-63 high breaking miniature circuit breaker (air switch) is suitable for protecting short circuit and overload of circuit, suitable for lighting distribution system or motor distribution system. It has beautiful appearance, light weight, excellent performance, reliable breaking capacity, quick tripping, high guide rail installation, high flame retardant and impact resistant plastic shell and parts, long service life, mainly used for AC 50 Hz, rated power When the voltage is 400V and the rated current is 63A, the overload and short-circuit protection of the line can be realized. At the same time, the electrical device and lighting line can be switched on and off infrequently under normal conditions.
Product Specification
| Product Model | Rated Current(A) | Pole | Rated Voltage(V) | Breaking Capacity | Tripping curve |
| NBT1-63 | 1,3,6,10,16,20,25,32,40,50,63 | 1,2 | 230/240 | 6kA | B,C,D |
| 1,2 | 230/400,240/415 | ||||
| 2,3,4 | 400/415 |
Product Features
1. NBT1 series products include 63A, 125A three kinds of shell frame air switch switch, give users a complete solution
2. 11 pieces of nickel plated arc extinguishing pieces and additional magnetic yoke ensure good arc extinguishing performance and instantaneous protection characteristics
3. Automatic assembly, testing equipment, to provide higher quality products.
4. Small circuit breaker product performance is good, contact resistance is far below the standard requirements, less than 1 / 3 of the standard! Products meet ROHS certification green environmental protection
If you have any requirements or questions, welcome to contact us on line or send an E-mail! It’ll be my pleasure to service you!
Note: As the price of raw materials is constantly changing, the price is for reference only. Please contact me for details.
We can provide you high-quality products with advanced technology, favorable price and you won’t be regret for the cooperation.
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FAQ
Q1: How do I know if my fuse box is grounded?
A1: The simple way to find out is to use a volt meter and put the red lead in the hot side of the outlet or touch it to the black wire. The other lead touch it to the metal box. If you get a reading of around 110 to 120 volts it’s grounded.
Q2: Can a breaker box explode?
A2: If the circuit breaker won’t reset, and trips instantly, then you probably have a short in the circuit. This is a more complicated and serious reason for a breaker tripping because it can result in an excessive electric current that can potentially cause circuit damage, overheating, fire or even explosion.
Q3: What happens when you put a 20 amp receptacle on a 15 amp circuit?
A3: If your question is “can I connect a receptacle rated for 20 amps to a circuit designed for 15 amps?”, the answer is yes, because the receptacle can handle more current than the circuit is rated for. If you exceed 15 amps, the breaker will blow, and protect the receptacle.
Q4: What is the largest size copper wire allowed on a 15 amp breaker?
A4: In a way, it all starts with the size of the wire. 14-gauge wire is the smallest allowed for the permanent wiring of a circuit. It is rated as able to carry up to 15 amps of current. 12-gauge wire is the next size larger and is allowed to carry up to 20 amps.
Q5: How far can you run a 20 amp circuit?
A5: The total circuit would be about 60 -70 feet in length. It would only be supplying about 5 outlets and one light. It would be a light load, running small things, no heaters or med/large equipment. #12 provides reasonable performance up to about 100′ with general loads like you describe.
