Swtich Disconnector NDW1G Series Swtich Disconnector AC 400V/690V; DC 1000V
- Ref Price:
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 200 pc
- Supply Capability:
- 99999 pc/month
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Specifications
· Standard: IEC60947-3:2005
· Certificates: TÜV, CE, CCC, CB, DIN
· Rated voltage: AC 400V/690V; DC 1000V
· Rated current: 400A~6300A
· Number of poles: 3, 4
· Rated short-circuit making capacity Icm: 84kA~143kA (@AC 400V/690V); 50kA~85kA (@DC 1000V)
· Rated short-time withstand current Icw (1s): 50kA~100kA (AC 400V); 40kA~75kA (AC 690V)
· Break-time: ≤30ms; Closing time: ≤60ms
· Installation type: Fixed type; Drawout type
· Mechanical Endurance: 20000 times (for NDW1G-2000, NDW1G-3200)
10000 times (for NDW1G-3200 4000A, NDW1G-6300).
· Electrical Accessories: Auxiliary Contact, Shunt Release, Closing Release, Undervoltage Release, Motor Operator for Electrical Charging
Features
· High breaking capacity and zero arc.
· Compact contacts system, separate arcing chamber, more reliable operation.
· Various configuration of 3-pole and 4-pole, fixed type and drawout type, vertical wiring and horizontal wiring, multi-choice.
· Switch disconnector can be supplied from both the top and the bottom.
· Reliable interlock and insulation protection, high safety performance.
· Module structure, extendable with various accessories.
- Q:Household leakage circuit breakers, circuit problems
- do not know how the points. Maybe 2P, but I do not know. Four holes, up and down two, how to take this
- Q:What is the solution of the leakage circuit breaker always jumping?
- if it exceeds its rated current or leakage, primarily for home or office lighting and to ensure the safety of the person.
- Q:Circuit breaker auxiliary contact is what?
- which is divided into frame, contact arc extinguishing system, manual operation mechanism, electric operation mechanism,
- Q:Circuit breaker main circuit control power, how to wiring?
- In use, the circuit breaker should be cut off the capacity of the installation should be greater than the maximum short circuit capacity
- Q:Double control switch circuit diagram
- constitute the electrical connection of the circuit are called secondary circuit or secondary wiring
- Q:Is there a sequence of circuit breakers and disconnectors?
- At the time of power transmission, because the circuit breaker and the disconnector are in the disconnected state, there is no current in the circuit when the switch is disconnected first,
- Q:Low-voltage circuit breaker is what can be broken and under normal conditions of the circuit
- which is equivalent to the collector junction and the transmitting junction connected, so that 5.0V and the transistor below the resistance R10 connected
- Q:What is the choice of low voltage electrical circuit breaker?
- For example, a circuit breaker located outside the cockpit is temperature compensated so that its trip characteristics do not change with the temperature fluctuations common in flight.
- Q:How to choose a circuit breaker for home and small office circuits
- After installation wiring, press the leakage connector leakage test button, you can create a brief manual leakage to test whether the leakage of electrical action.
- Q:Selection of Circuit Breakers in Low Voltage Circuits
- As the temperature increases, the thermal circuit breaker trips faster and often trips at lower current levels.
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