Types CR, CRC, CRP, CRD, and CRQ - Directional Overcurrent Relays
Types IRC, IRP, IRD, IRQ and IRV - Directional Overcurrent Relays
Types KRC, KRD, KRP and KRV - Directional Overcurrent Relays
Types KRD-4 and KRQ - Directional Overcurrent Ground Relays
Type 32 - Circuit Shield - Polyphase High Speed Directional Relay
Type 32D - Circuit Shield - Dual Polarized High Speed Directional Relay
Type 32Q - Circuit Shield - Negative Phase Sequence High Speed Directional Relay
Type CM - Phase Balance Current Relay
Type COD - Current Sensing Relay
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