条形熔断器式隔离开关 250 A (37537000D)

for fuse links size:	NH 2
fuse links acc. to standard:	IEC / HD 60269-2
所使用熔断器的允许损耗功率:	34 W
requirements for contact parts:	Fuse links with silver-plated contact pieces recommended. For fuse links with nickel-plated contact pieces, a reduction factor of 0.8 is to be observed.

Details IEC

标准

IEC 60947-1:2020 IEC 60947-3:2020 AC ratings only

Electrical data IEC
端部供电（IEC）:	250 A
额定电压（IEC）AC:	400 V

accuracy class (current):

0.5

rated isolation voltage Ui AC:	1000 V
额定冲击耐受电压 Uimp:	8 kV

使用等级 AC (IEC 60947-3):

AC-22B (400 V / 250 A)

	120 kA / 400 V (250 A)
带熔断器测定的工作等级:	gG

Supplementary data IEC

下述参数已经在特定条件下通过测试得到验证。开始设计之前，请联系维纳尔咨询这些条件。

further utilisation category DC (IEC 60947-3):

DC-20B max. voltage between the fuses: 1000V visible information required: Do not switch under load.

符合 IEC 60947-3 的熔断器组合电器，只有在作为没有分断能力的熔断器式隔离器时、在不超过额定绝缘电压使用并进行相应的标识时，才允许超过额定工作电压运行。

最小允许工作温度	-40°C
最大允许工作温度	55°C
用于运输和存储时的最小允许温度	-40°C

Besondere Betriebsbedingungen gemäß IEC / EN 61439-1 können zu Fehlauslösungen von Meldeschaltern oder Sicherungsüberwachungen führen. Die vorliegenden Betriebsbedingungen sind dementsprechend bei der Auswertung der Meldesignale zu berücksichtigen.

防护等级 IP20 正面, 取决于安装时的连接区域

机械数值
宽 x 高 x 厚:	100 x 844 x 190
重量:	543.0 kg/100
极数:	3 极
适用母线:	30, 40, 60, 80, 100, 120 x 10

正面防护等级:	IP20
degree of protection when open:	IP10

连接端
v-clamp
min. cross-section:	50 mm²
最大横截面积:	300 mm²
re:	70 - 150 mm²
rm:	50 - 120 mm²
se:	70 - 300 mm²
sm:	70 - 240 mm²
Suitable for aluminium conductors. the temperature of aluminium conductors must not exceed 80°C (see operating instructions) pre-treatment of aluminium conductors: see general technical information (under Downloads)

原材料性能
halogen-free:	Yes

Suitable for aluminium conductors. the temperature of aluminium conductors must not exceed 80°C (see operating instructions) pre-treatment of aluminium conductors: see general technical information (under Downloads)
符合 IEC 60947-3 的熔断器组合电器，只有在作为没有分断能力的熔断器式隔离器时、在不超过额定绝缘电压使用并进行相应的标识时，才允许超过额定工作电压运行。
The terminal compartment cover 33733 is always needed for the connection at top and when using cable lugs.
所使用熔断器的允许损耗功率:	34 W
requirements for contact parts:	Fuse links with silver-plated contact pieces recommended. For fuse links with nickel-plated contact pieces, a reduction factor of 0.8 is to be observed.