保护继电器
DEIF制造的一些列单功能和多功能保护继电器，基于微处理器的保护将最大保护功能最为标准集成，经过严格的测试，确保符合全球标准。
相关产品
中压综合保护继电器 MVR-200 系列
- Three phase overcurrent protection stages INST, DT or IDMT
- (Sensitive) Earth-fault protection stages INST, DT or IDMT
- Harmonic overcurrent protection / inrush blocking stages INST, DT or IDMT
- Cold-load pick-up block
- Current unbalance / broken conductor protection stages INST, DT or IDMT
- Thermal overload protection (line)
- Restricted earth fault protection (low-imp)
- Cable-end differential protection
- Directional three-phase overcurrent protection stages DT or IDMT
- Directional (sensitive) residual overcurrent protection stages DT or IDMT
- Intermittent earth fault
- Fault locator
- Overvoltage protection stages INST, DT or IDMT
- Undervoltage protection stages INST, DT or IDMT
- Positive sequence under/overvoltage protection stages INST, DT or IDMT
- Residual voltage protection stages INST, DT or IDMT
- Frequency protection stages
- Rate of change of frequency
- Vector Jump / surge
- Reverse/under/over power protection stages INST, DT or IDMT
- Synchrocheck
- Auto-reclose
- Fuse failure
- Current transformer supervision
- Switch onto fault logic
- Breaker failure protection
- Programmable stage
电流保护继电器 RMC-122D
- Short circuit and over-current
- I>>: 100 to 400 %, I>: 50 to 150 %
- Combined functionality
- Short circuit relay (I>>)
- ANSI code 50 and 51
- Measurement of 3-phase currents
- LED indication of fault condition
- Timer-controlled tripping
- LED indication for activated relay
- 35 mm DIN rail or base mounting
