| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX250 DC |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX320 DC |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX500 DC |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX630 DC |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX500 DC |
| Device application | Distribution |
| Poles description | 3P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX400 DC |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX500 DC |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX630 DC |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX630 DC |
| Device application | Distribution |
| Poles description | 2P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX800 DC |
| Device application | Distribution |
| Poles description | 2P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX1000 DC |
| Device application | Distribution |
| Poles description | 2P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX1200 DC |
| Device application | Distribution |
| Poles description | 2P |
| Product or component type | Basic frame |
| Device short name | Compact NSX100F |
| Circuit breaker name | Compact NSX100F |
| Poles description | 3P |
| Network type | DC |
| Product or component type | Basic frame |
| Device short name | Compact NSX100F |
| Circuit breaker name | Compact NSX100F |
| Poles description | 4P |
| Network type | DC |
| Product or component type | Basic frame |
| Device short name | Compact NSX100S |
| Circuit breaker name | Compact NSX100S |
| Poles description | 3P |
| Network type | DC |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX80 DC PV |
| Device application | Distribution |
| Poles description | 4P |
| Product or component type | Basic frame |
| Device short name | Compact NSX160F |
| Circuit breaker name | Compact NSX160F |
| Poles description | 3P |
| Network type | DC |
| Product or component type | Basic frame |
| Device short name | Compact NSX160F |
| Circuit breaker name | Compact NSX160F |
| Poles description | 4P |
| Network type | DC |
| Product or component type | Basic frame |
| Device short name | Compact NSX160S |
| Circuit breaker name | Compact NSX160S |
| Poles description | 3P |
| Network type | DC |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX125 DC PV |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX160 DC PV |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX200 DC PV |
| Device application | Distribution |
| Poles description | 4P |
| Product or component type | Basic frame |
| Device short name | Compact NSX250F |
| Circuit breaker name | Compact NSX250F |
| Poles description | 3P |
| Network type | DC |
| Product or component type | Basic frame |
| Device short name | Compact NSX250F |
| Circuit breaker name | Compact NSX250F |
| Poles description | 4P |
| Network type | DC |
Product or component type: Basic frame, Device short name: Compact NSX250S, Circuit breaker name: Compact NSX250S, Poles description: 3P, Network type DC
| Product or component type | Basic frame |
| Device short name | Compact NSX250S |
| Circuit breaker name | Compact NSX250S |
| Poles description | 4P |
| Network type | DC |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX400 DC |
| Device application | Distribution |
| Poles description | 4P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX250 DC |
| Device application | Distribution |
| Poles description | 3P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX320 DC |
| Device application | Distribution |
| Poles description | 3P |
| Product name | Compact NSX |
| Product or component type | Circuit breaker |
| Device short name | Compact NSX400 DC |
| Device application | Distribution |
| Poles description | 3P |
Today, new generation circuit breakers Compact NSX DC anticipate tomorrow's standards.
Compact NSX DC is a part of Pact Series designed for DC networks with voltage from 24 to 750V.
Main technical characteristics
A wide range of circuit breaker modifications help to be suitable for different applications:
- 1, 2, 3 and 4 - pole switches for currents up to 160 A
- 3 and 4 - pole switches for currents from 250 to 630 A
- 4 modifications according to breaking capacity: F, N, M, S:
modification F
- 36 kA in 1-pole version for networks ≤ 250 V
- 36 kA in 2-pole version for networks ≤ 500
modification N
50 kA kA in 1-pole version for networks ≤ 250 V
modification M
- 85 kA in 1-pole version for networks ≤ 250 V
- 85 kA in 2-pole version for networks ≤ 500
modification S
- 100 kA in 2-pole version for networks ≤ 500
- 100 kA in 3 or 4-pole version for networks ≤ 750VSelection of a ComPact NSX DC
Example 1
Type of system - mid-point connected to earth
System voltage - Un = 500 V DC with time constant L/R = 5 ms
Rated current required at point of installation In = 250 A
Short-circuit current at the point of installation Isc = 20 kA
The Use
NSX DC are used to control and protect electrical installations in low voltage networks. These circuit breakers are required for installation in switchboards as input and output devices.
Advantages
- Security and protection
- Reliability of power supply
- Integration into the Modbus network
- Simplicity and convenience
Data transfer
Compact NSX DC devices can be equipped with additional communication modules for communication with the supervisory system via the Modbus bus.
Optimized solutions for various types of DC networks
- In many DC networks, it is necessary to connect 2-, 3-, and 4-pole circuit breakers in series or parallel to reduce cost and operating costs.
- The Compact NSX and Masterpact NW have a pole-by-pole capability that optimizes their high current breaking capability. A series connection reduces the voltage on each of the poles (the total voltage is divided depending on the type of circuit breaker: 2, 3 or 4), and all poles determine the breaking capacity of the device. This makes it possible to disable a short circuit in the DC network with an optimized solution. For example, a Compact NSX with 100 kA and 250 V per pole can be used on a 750 V network if all 3 poles are connected in series. Its cost is much lower than the cost of a 750 V apparatus.
- The possibility of parallel connection of the poles of the Compact NSX series optimizes the use of circuit breakers according to their rated current.
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