上海易瑾慧机电科技有限公司

产品中心/Product Center

品牌

*注：按产品型号，可检索常见问答、样本、证书等信息。

三相电压监控继电器（工业型）订购编号:

点击这里发送询价

请详细填写一下内容，包括产品原产国、品牌完整名称以及您所能得到的所有信息，这将有助于我们准确迅速的报价。非常感谢！

品牌厂商（Manutacturer）*

公司名称*

产品名称（Product Name）*

联系人*

产品型号（Product Type）*

联系地址*

产品序列号（ID-Nr；Artikel-Nr）

联系电话*

产品描述（Voltage，Amp，Kw,Rpm）

传真*

需求数量（Quantity demanded）

联系邮箱*

附加信息，更具体要求

Voltage monitoring in 3-phase mains

• Multifunctions monitoring relays • Timing adjustment for tripping delay

• Fault latch mode

• Connection of neutral wire necessary

• Relay supply via the supply transformer of TR2

Meassuring circuit data
Functions	OVER, OVER+LATCH, UNDER, UNDER+LATCH, WIN, WIN+LATCH
Functions	timing adjustment for tripping delay
Time intervals (timing adjustment)	tripping delay (0,1...10 s)
LED indicator	green LED, red LED
Meassuring circuit
• terminals	N-L1, N-L2, N-L3
• measuring variable	AC sinus, 48...63 Hz
• measuring input	230 V AC
• overload capacity	440 V AC
• input resistance	3N~ 400/230 V 470 kΩ
• swiching threshold Us	max: 0,8 < Un < 1,3 min: 0,7 < Un < 1,2
Input circuit
Supply voltage U	12 … 400 V AC; terminals A1-A2
Rated power consumption	2,0 VA / 1,5 W
Rated frequency	as per the specification of TR2 supply transformer
Output circuit
Number and type of contacts	2 C/O - changeover
Rated load AC1	5 A / 250 V AC
Max. breaking capacity AC1	1 250 VA
Insulation
Rated surge voltage	4 000 V AC
Overvoltage category	III PN-EN 60664-0
Insulation pollution degree	3 PN-EN 60664-1