NXB-63 4P B50 6kA cầu dao tự động

Chi tiết MCB - CB tép NXB-63 4P B50 6kA

Mã sản phẩm: NXB-63 4P 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: 4P

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