Function and use
● Frame grade (A): 1600, 2000, 2500, 3200, 4000, 6300 ● Two breaking capacities: N, H (6300 frame only H) ● Rated voltage Ue (VAC): 380/400/415, 440/525/690V ● Number of poles: 3 or 4 poles (In=6300A only has 3 poles) ● Installation method: drawer type or fixed type ● Wiring method: horizontal rear connection
Detailed description
Parameters:
Rated working voltage: AC380/400/415V, AC440V/525V/690V
Rated operating current: 400A-6300A
Rated limit short-circuit breaking capacity: 50-120kA
Installation type: drawer type, fixed type
Advantages/core functions:
01 Safe and reliable
Allows the setting of 2 independent ground fault protection curves to double protect personal and equipment safety
Key parts such as operating mechanisms/controllers are made in-house, and the fit between parts and finished products is increased by 20%
The core process is automated and the product consistency reaches 100%
02 Independent innovation
Key lock type mechanical interlocking scheme design, realize client system interlocking installation in 0 seconds
The central design of the mechanism improves the contact synchronization by 50% when closing and opening
03 Interconnection
Dual configuration of local and remote communication to meet networking needs in different scenarios
Handheld test device to achieve early warning of current faults
Detailed parameters
< /tr>
| Parameter classification | Parameter items | Parameter values |
|---|
| Characteristics | Number of poles | 3/4 (only 3 poles when In=6300A) |
| Rated operating voltage Ue (V) | 380/400/415, 4 40V/525V/690V |
| Rated insulation voltage Ui(V) | 1000 |
| Rated impulse withstand voltage Uimp(kV) | 12 |
| Rated frequency Hz | 50/60 |
| Flashover distance (mm) | 0 |
| Suitable for isolation | GB/T 14048.2, IEC/EN 60947-2 applicable |
| Polution level | GB/T 14048.1, IEC 60664-1 N-3 |
| Frame current | | 1600A |
| Rated current (A) | 400 630 800 1000 1250 1600 |
| Fourth pole rated current (A) | 400 630 800 1000 1250 1600 |
| Circuit breaker type | | N H |
| Rated ultimate short-circuit breaking capacity (kA rms)VAC 50/60Hz | Icu 380/400/415V 50 440/525/690V 36 |
| Rated operating short-circuit breaking capacity (kA rms)VAC 50/60Hz | Ics 380/400/415V 50 440/525/690V 36 |
| Usage category | B |
| Rated short-time withstand current (kA rms)VAC 50/60Hz | Icw 1s 380/400/415V 42 440/525/690V 36 |
| Closing capacity (kA peak) VAC 50/60Hz | Icm 380/400/415V 105 440/525/690V 75.6 |
| On-current trip protection function (MCR kA rms) | ≤28 |
| Full breaking time (no additional delay) (ms) | ≤28 |
| Closing time (ms) | ≤50 |
| Installation, connection and life | Life C/O cycle | Electrical (not maintained) AC415V 8000 AC690V 5000 |
| | Mechanical not maintained (maintainable) 15000 (30000) |
| Connection | Horizontal |
| Dimensions (width × depth × height) | Fixed 3P 254×241×318.5 4P 324×241×318.5 Drawer type 3P 308×331.5×351 4P 378×331.5×351 |
| Installation method | Fixed 400-630 18/22 800-1250 18/22 1600 20/24 Drawer type 400-630 34/40 800-1250 34/40 1600 38/46 |
| Model specifications | NXA16(3/4) |
