Minilec Voltage Monitoring Relays D2 VCT1

Overview

• 3-Phase 3-Wire and 3-Phase 4-Wire (selectable) Under & Over voltage,
• Microcontroller based design,
• Auto/Manual Reset,
• Adjustable under/over voltage settings,
• Absolute values for UV/OV,
• Adjustable trip delay & ON delay,
• 2 CO output relay (or selectable 1CO for UV, 1CO for OV) Failsafe-non-failsafe selectable
• Technical Specification

System Supply

• System Supply100-120/220-240/380-440V AC -25%+20%,48-63 Hz

Output Relay Contact

• Output Relay Contact1 CO + 1 CO / 2 CO

Trip Setting

• Under VoltagePh Ph Setting:
  For 380-440V AC: 285-425V AC (Variable)
  For 220-240V AC: 165-225V AC (Variable)
  For 100-120V AC: 75-115V AC (Variable)
  Ph N Sensing:
  For 380-440V AC: 165-245V AC (Variable)
  For 220-240V AC: 95-135V AC (Variable)
  For 100-120V AC: 45-65V AC (Variable)
• Over VoltagePh Ph Setting:
  For 380-440V AC: 400-520V AC (Variable)
  For 220-240V AC: 230-290V AC (Variable)
  For 100-120V AC: 105-145V AC (Variable)
  Ph N Sensing:
  For 380-440V AC: 230-310V AC (Variable)
  For 220-240V AC: 130-170V AC (Variable)
  For 100-120V AC: 60-80V AC (Variable)

Trip Time Delay

• Trip Time Delay1-10 Sec (Variable) UV/OV/NF

Power on Delay

• Power on Delay1-10 Sec (Variable)

Reset

• ResetAuto / Manual Reset

Weight

• Weight300 gms. (Approx)

Dimensions (mm)

• Overall (L x W x D)76 x 56.5 x 117.5
• Mounting (L x W)67 x 46 / 35 mm rail Mounting

Note:

• Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)
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• Connection Diagram
• Timing/ Relay logic Diagram
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• Electrical Connection Diagram
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