Minilec Phase Failure Relays S2 VMR3
Overview
- Microcontroller design
- SMD Technology
- Absolute values of UV/OV settings
- Phase Failure, Unbalance
- Phase Sequence, under voltage
- Over Voltage, Auto/Manual reset
- Adjustable settings for Unbalance
- UV/OV and trip delays
- 2 CO output relay
- Technical Specification
Supply Voltage
- System100-120 / 220-240 / 380-440V AC -25%+20%, 48-63 Hz
- AuxillaryBuilt In (from 3 Phase)
Output Contacts
- Output Contacts2 CO
Trip Setting(Volts)
- Phase SequenceYes
- Phase Unbalance4 % - 20 % [Variable]
- Under VoltageFor 380-440V AC
For 220-240V AC
For 100-120V AC285-425V AC [Variable]
165-225V AC [Variable]
75-115V AC [Variable] - Over VoltageFor 380-440V AC
For 220-240V AC
For 100-120V AC400-520V AC [Variable]
230-290V AC [Variable]
105-145V AC [Variable]
Trip Time Delay
- On Phase FailureInstant
- On UV/OV1 To 10 Sec [Variable)
Resetting Mode
- Resetting ModeAuto/ Manual Reset [Selectable]
Weight
- Weight110 gms.(Approx)
Dimensions (mm)
- Overall (L x W x D)90 X 35 X 60
- Mounting (L x W)35 mm Rail Mounting
Note:
- Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)
Connection Diagrams
Timing/ Relay logic Diagram
Electrical Connection Diagram
Applications
Suitable for monitoring 3 Ph. System supply from MAINS & used by motor load:
- AC & R Chiller compressor motors
- AHU Fan /Pump Motors
- Machinery using multiple small motors
- MAIN powers supply distribution panel board
- DG Set application
- UPS
- Submersible Pumps
- Hoist & Crane