Function and purpose
Provides various protections such as overload long delay, short circuit short delay, short circuit instantaneous etc.
Detailed description
Parameters:
Maximum Icu: 70kA
Working voltage: AC230V/240V, 400V/415V, 500V, 690V
Using ambient temperature: -25°C~+70°C
Advantages/core functions:
01 Comprehensive functions
Can carry out overload long-delay, short-circuit short-delay, short-circuit instantaneous and other protections, and also has overload alarm non-trip function to meet various customer protection needs
02 Safe and reliable
Higher rated insulation voltage and rated impulse withstand voltage, safer for customers to use
03 Flexible and easy to use
Universal design of internal accessories reduces customer stocking types and helps customers save inventory
Detailed parameters
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| Parameter classification | Parameter items | Parameter values |
|---|
| Product technical parameters | Specifications and models | NXMSPD-125 |
| | NXMSPD-250 |
| | NXMSPD-400 |
| | NXMSPD-800 |
| Charging current Iin (A) | 125 |
| | 25 0 |
| | 400 |
| | 800< /td> |
| Number of poles | 3P |
| Rated current In (A) | 32~63~100~125 |
| | 160~180~200~225~250 |
| | 300~315~320~400 |
| | 500~630~800 |
| Rated insulation voltage Ui (V) | 800 |
| < /td> | | 1000 |
| Rated impulse withstand voltage Uimp (kV) | 8 |
| | 8 |
| | 12 |
| | 12 |
| Rated operating voltage Ue (V) | AC380 /400/415 |
| Rated operating frequency f (Hz) | 50/60 |
| Flashover distance (mm) | 0 (zero flashover) |
| Electronic tripper | Power distribution protection |
| | Motor protection |
| Comply with standards | GB/T 14048.2 |
| | IEC/EN 60947-2 |
| Use category | A |
| | A |
| | B |
| | B |
| Isolation function | |
| Applicable working environment temperature Degree | -25℃～+70℃ |
| Breaking capacity code | H |
| | R |
| | | H |
| | R |
| | H |
| R |
| Rated ultimate short-circuit breaking capacity Icu (kA) | 50 |
| | 70 |
| | 50 |
| | 70 |
| | 70 |
| | 70 |
| Rated operating short-circuit breaking capacity Ics (kA) | 36 |
| | 50 |
| | 36 |
| | 50 |
| | 50 |
| | 50 |
| Rated short-time withstand current Icw, 1s (kA) | - |
| | 6 |
| | 12 |
| Mechanical life (times) maintenance-free | 20000 |
| | | 20000 |
| | 15000 |
| | 15000 |
| Electrical life (times) | 10000 |
| | 10000 |
| | 8000 |
| | 8000 |
| Appearance and installation | Width (W) |
| | 90 |
| | 105 |
| | 140 |
| |
| Dimensions (mm) | Height (H) |
| | 155 |
| | 165 |
| | 257 |
| | 280 |
