Chi tiết MCB - CB tép NXB-63 3P B50 6kA
Mã sản phẩm: NXB-63 3P B50 6kA
Hãng: Chint
Xuất xứ: Trung Quốc
Điện áp ngõ vào: 50 A
Trip điện từ: Loại B (3In ~ 5In)
Dòng cắt: 6 kA
Điện áp định mức: 380V~/400V~/415V ~
Số cực: 3P
Tiêu chuẩn: IEC60898-1
Tần số: 50/60 Hz
Thông số kỹ thuật
Product model | NXB-63 | NXB-63H | |
Compliant standards | IEC60898-1 | ||
Rated current (A) | 1~63 | ||
Rated voltage (V ~) | 240/415 | ||
Rated frequency (Hz) | 50/60 | ||
Number of poles | 1P, 1P+N, 2P, 3P, 3P+N, 4P | ||
Mechanical life (cycles) | 20000 | ||
Electrical life (cycles) | 10000 | ||
Rated short-circuit breaking capacity Icu (A) | 6000 | ||
Short-circuit breaking capacity Icu (A) | 6000 | ||
Rated impulse withstand voltage (1.2 / 50)(kV) | 4 | ||
Dielectric test voltage (V) | (Power frequency 1 minute) 2000 | ||
Anti-humid and heat properties (GB/T2423.4:55℃/90~96%,25℃/95~100%) | 28 cycles | ||
Terminals | Minimum cross section (mm²) | 1 | |
Maximum cross section (mm²) | 25 | ||
Standard connection torque (N·m) | 2 | ||
Maximum withstand torque (N m) | 2,5 | ||
Wire insertion depth (mm) | 12,5 | ||
Reference temperature for setting of thermal element (℃) | 30 | ||
Ambient temperature (℃) | -35~+70 | ||
Ambient storage temperature (℃) | -35 85 | ||
Applicable altitude (m) | 5000 | ||
Electromagnetic trip type | Type B (3In ~ 5In) | ■ | |
Type C (5In ~ 10In) | ■ | ||
Type D (10In ~ 14In) | ■ | ||
Type C (6.4In ~ 9.6In) | |||
Type D (9.6In~14.4In) | |||
Electromagnetic tripping current correction factor under different power frequency (recommended value) | 50 ~ 60Hz | 1In | |
100Hz | 1.1In | ||
200Hz | 1.2In | ||
400Hz | 1.5In | ||
DC | 1.5In | ||
Derating factor with multiple products side by side (recommended value) | ≤3 | (0.9~0.95)In | |
4 ~ 6 | (0.86~0.80)In | ||
7 ~ 9 | (0.78~0.76)In | ||
>9 | 0.76In | ||
Temperature compensation coefficient (recommended value) | Change for every 10℃ increase from the reference temp | -(0.03~0.05)In | -(0.04~0.07)In |
Change for every 10℃ decrease from the reference temp | (0.04~0.07)In | ||
Rated current correction factor for high altitude use (recommended value) | ≤2000m | In | |
3000m | 0.96In | ||
4000m | 0.94In | ||
5000m | 0.92In | ||
Rated voltage correction factor for high altitude use (recommended value) | ≤2000m | Ue | |
3000m | 0.89Ue | ||
4000m | 0.78Ue | ||
5000m | 0.68Ue | ||
Cable entry | Top or bottom entry | ||
Mounting | TH35-7.5-rail mounting | ||
Pollution degree | Pollution degree Ⅱ | ||
Protection degree | Direct mounting | IP20 | |
Mounted in the distribution box | IP40 | ||
Accessories that can be assembled | AX-X1, AL-X1, SHT-X1, OVT-X1, UVT-X1, OUVT-X1 |
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Ứng dụng
Chuyên sử dụng trong mạng lưới điện dân dụng
MCB NXB manual
Dòng điện định mức | N/A |
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Điện áp cuộn coil | N/A |
Xuất xứ | N/A |
Thời gian bảo hành | N/A |