相故障继电器

It is a Negative Sequence Voltage Sensing Phase Failure with Under & Over Voltage Relay. It is best suitable for 3 phase loads or 3 phase motor / pump loads only. It offers protection against Phase Failure, Phase Unbalance, Phase Sequence Reversal, Under Voltage & Over Voltage faults. It is useful for incoming side, Mains Supply monitoring, General voltage faults, AMF/Transfer Switch Panels & Pump Control Panels. It is available in DIN Rail mounting enclosure.


名称	【点击图片查看详细案例】	说明	备注
PFS3相故障继电器		PFS3相故障继电器 · Monitors all 3 phases of Voltage Supply. · Built-in Auxillary Supply. · Auto Reset. · Adjustable trip time delay (1-5 sec.) · 11 PIN socket base mounted Enclosure.
PFS2 相故障继电器		PFS2 相故障继电器 · Monitors all 3 phases of Voltage Supply. · Built-in Auxillary Supply. · LED Indications for Power ON & Fault. · Auto Reset. · 8 PIN socket base mounted Enclosure
PFS1 相故障继电器		PFS1 相故障继电器这些继电器检测系统供电的负序电压组件，适用于三相负荷监控输入电源。它可以防止相失衡、相序颠倒等情况的发生，这些情况会对电机绕组产生危险并引起电机烧毁。.
PS D1 相故障继电器		PS D1 相故障继电器
SP D2 相故障继电器		SP D2 相故障继电器 · Monitors all 3 Phases of Voltage Supply. · Available for any System Voltage. · External Aux.supply. · Auto Reset. · Sleek DIN Rail mounted Enclosure. · 2 CO output contact.
PP D1 相故障继电器		PP D1 相故障继电器 · Monitors 3 phase Voltage Supply. · Suitable for any System Voltage. · No external auxiliary Supply required (Built in Aux. Supply). · Auto Reset. · 2 CO output contacts. (For 1CO output use VSP D1 model) · Power ON & Trip LED indication. · Sleek DIN Rail mounted D1 Enclosure.

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