Schneider Electric EVR-1P22 Electronic Voltage Relay, Single-Phase AC/DC, 100-240VAC/DC Control, 100-240V Monitoring, Over/Under Volt, 50/60Hz

Schneider Electric EVR-1P22 Electronic Voltage Relay, Single-Phase AC/DC, 100-240VAC/DC Control, 100-240V Monitoring, Over/Under Volt, 50/60Hz

The Schneider Electric EVR-1P22 is a compact and highly reliable Electronic Voltage Relay, specifically engineered for single-phase AC or DC systems. This device provides essential protection against damaging over-voltage and under-voltage conditions, crucial for safeguarding sensitive equipment and ensuring operational continuity. With its versatile nominal voltage selection (100V, 110V, 120V, 220V, 230V, 240V) and a wide control power range of 100-240VAC/DC, the EVR-1P22 offers broad compatibility across various applications and geographies. Its user-friendly adjustable knobs for setting thresholds and time delays, combined with LED indicators for operational status and trip events, make it easy to configure and monitor. Designed for both 35mm DIN-rail and M4 screw mounting, it provides flexible installation options in industrial panels and control cabinets.

Manufacturer Information:

• Manufacturer: Schneider Electric
• Product Series: EVR
• Model/Part Number: EVR-1P22
• Product Type: Electronic Voltage Relay
• Key Specifications:
  • Voltage Type: Single Phase AC/DC Voltage
  • Control Supply Voltage: 100-240V AC, 50/60Hz / 100-240V DC (Wide universal control supply for maximum flexibility).
  • Nominal Voltage Selection (Vn): User selectable via rotary switch: 100V, 110V, 120V, 220V, 230V, 240V. (Default: 240V).
  • Monitoring Range:
    • Over-Voltage (OV): 100-300V
    • Under-Voltage (UV): 70-240V
  • Over-Voltage (OV) Threshold Setting: Adjustable via knob, 5%, 10%, 15%, 20%, 25%, or OFF (as a percentage above nominal voltage).
  • Under-Voltage (UV) Threshold Setting: Adjustable via knob, -5%, -10%, -15%, -20%, -25%, -30%, or OFF (as a percentage below nominal voltage).
  • Operating Time Delay (OT): Adjustable via knob, 0.2s, 1s, 3s, 5s, 7s, 10s (Default: 10s).
  • Auto-Reset Time (RT): Adjustable via knob, 0.5s, 1s, 5s, 10s, 20s, 30s, or OFF (Default: OFF).
  • Output Contacts:
    • NVR (No-Voltage Release) configurable as N type (95-96 Open, 95-98 Close when power is applied) or R type (95-96 Close, 95-98 Open when power is applied). Default: R type.
    • Terminal numbers: 95, 96, 98.
  • Indicators:
    • PWR (Green LED): Indicates control power status.
    • TRIP (Orange LED): Indicates trip status.
    • LED blink patterns indicate low-voltage, over/under-voltage pre-trip, and active trip conditions.
  • Mounting: 35mm DIN-rail and M4 screw mounting (providing flexibility for installation).
  • Wiring: Screw terminals suitable for 1.0-2.5mm² (18-14 AWG) wires.
  • Test/Reset Function: Dedicated button for testing functionality and resetting the relay manually.
• Applications:
  • Single-phase motor protection in HVAC systems, pumps, and fans.
  • Protection of industrial control circuits and machinery against voltage fluctuations.
  • Safeguarding lighting systems and sensitive electronic equipment.
  • Used in residential, commercial, and industrial panels requiring precise voltage monitoring.
• Benefits:
  • Protects valuable equipment from damage caused by damaging voltage conditions.
  • Ensures reliable operation and prolongs the lifespan of connected loads.
  • Flexible setup with adjustable parameters to suit specific application requirements.
  • Easy to install and maintain with clear LED indications and straightforward knob adjustments.
  • Broad applicability due to its wide input voltage and control power ranges.