Protection Relays

Advanced protection relays for phase, voltage, and current monitoring. Ensure electrical system safety with reliable fault detection and prevention.

PPR-03N Protection Relay

PPR-03N – Phase Asymmetry Protection Relay

The PPR-03N Phase Asymmetry Protection Relay operates at 3×380V AC, with 50/60 Hz operating frequency, < 6 VA power consumption, and provides a phase asymmetry protection function set at 30%.

PPR-14 Protection Relay

PPR-14 – Phase Sequence & Asymmetry Protection Relay

The PPR-14 Phase Sequence & Asymmetry Protection Relay operates at 3×380V AC, with a 50/60 Hz operating frequency, < 6 VA power consumption, and provides protection functions for phase absence, phase asymmetry (30%), and phase sequence.

PPR-24F Protection Relay

PPR-24F – Over/Under Voltage & Phase Protection Relay

The PPR-24F Over/Under Voltage & Phase Protection Relay operates at 3×380V AC, with a 50/60 Hz operating frequency, < 6 VA power consumption, and provides protection functions for phase asymmetry (11%), over-voltage (500 V AC), under-voltage (180 V AC), and phase sequence.

PPR-24FN Protection Relay

PPR-24FN – 230V Over/Under Voltage & Phase Protection Relay

The PPR-24FN 230V Over/Under Voltage & Phase Protection Relay operates at 3×230V AC, with a 50/60 Hz operating frequency, < 6 VA power consumption, and provides protection functions for phase asymmetry (11%), over-voltage (300 V AC), under-voltage (140 V AC), and phase sequence.

PPR-05F Protection Relay

PPR-05F – Multi-Function Phase & Voltage Protection Relay

The PPR-05F Multi-Function Phase & Voltage Protection Relay operates at 3×230V AC, 50/60 Hz, < 6 VA, and provides protection for phase asymmetry (5–25%), over/ under voltage (300 V / 140 V AC), phase & neutral absence, and phase sequence, with adjustable delay and reset times of 0.1–20 s.

PPR-06F Protection Relay

PPR-06F – 380V Multi-Function Phase & Voltage Protection Relay

The PPR-06F 380V Multi-Function Phase & Voltage Protection Relay operates at 3×380V AC, 50/60 Hz, < 6 VA, and provides protection for phase asymmetry (5–25%), over/under voltage (500 V / 240 V AC), phase & neutral absence, and phase sequence, with adjustable delay and reset times of 0.1–20 s

VCR-11 Voltage Control Relay

VCR-11 – Single Phase Voltage Control Relay

The VCR-11 Single Phase Voltage Control Relay operates at 230V AC, 50/60 Hz, < 6 VA, and provides over-voltage protection (230–300 V AC) and under-voltage protection (140–210 V AC), with adjustable delay and reset times of 0.1–20 s.

VCR-02F Voltage Control Relay

VCR-02F – 3-Phase Voltage Control & Protection Relay

The VCR-02F 3-Phase Voltage Control & Protection Relay operates at 3×230V AC, 50/60 Hz, < 6 VA, and provides over-voltage protection (230–300 V AC), under-voltage protection (140–210 V AC), phase sequence, and neutral absence functions, with adjustable delay and reset times of 0.1–20 s.

VCR-02 Voltage Control Relay

VCR-02 – 3-Phase Voltage Control Relay with Neutral Protection

The VCR-02 3-Phase Voltage Control Relay with Neutral Protection operates at 3×230V AC, 50/60 Hz, < 6 VA, and provides over-voltage protection (230–300 V AC), under-voltage protection (140–210 V AC), and neutral absence protection, with adjustable delay and reset times of 0.1–20 s.

VCR-03F Voltage Control Relay

VCR-03F – 380V 3-Phase Voltage Control & Sequence Protection Relay

The VCR-03F 380V 3-Phase Voltage Control & Sequence Protection Relay operates at 3×380V AC, 50/60 Hz, < 6 VA, and provides over-voltage protection (400–510 V AC), under-voltage protection (260–370 V AC), phase sequence, and phase absence functions, with adjustable delay and reset times of 0.1–20 s.

DVC-01 Voltage Control Relay

DVC-01 – Single Phase Voltage Control Relay

The DVC-01 Single Phase Voltage Control Relay operates at 230V AC, 50/60 Hz, < 6 VA, and provides over-voltage protection (230–280 V AC) and under-voltage protection (150–210 V AC), with an adjustable reset time of 0.1–10 s.

DVC-04 Voltage Control Relay

DVC-04 – 3-Phase 380V Voltage Control Relay

The DVC-04 3-Phase 380V Voltage Control Relay operates at 3×380V AC, 50/60 Hz, < 6 VA, and provides over-voltage protection (400–460 V AC) and under-voltage protection (230–360 V AC), with an adjustable reset time of 0.1–10 s.

DVC-04F Voltage Control Relay

DVC-04F – 3-Phase 380V Voltage Control with Phase Sequence Protection

The DVC-04F 3-Phase 380V Voltage Control Relay with Phase Sequence Protection operates at 3×380V AC, 50/60 Hz, < 6 VA, and provides over-voltage protection (400–460 V AC), under-voltage protection (230–360 V AC), and phase sequence protection, with an adjustable reset time of 0.1–10 s.

DOR Over Current Relay

DOR – Over Current & Asymmetry Protection Relay

The DOR Over Current & Asymmetry Protection Relay operates at 230V AC, 50/60 Hz, < 6 VA, and provides asymmetry protection (50%) and over-current protection (25A, 50A, 100A, 200A, 400A), with an adjustable delay time of 0.1–20 s.

ELR-V2 Earth Leakage Relay

ELR-V2 – Earth Leakage Current Protection Relay

The ELR-V2 Earth Leakage Current Protection Relay operates at 230V AC, 50/60 Hz, < 6 VA, and provides earth-leakage current protection, with an adjustable delay time of 0.1–20 s.