Minilec Phase Failure Relays D1 VMR1
Overview
- Phase Failure, Unbalance
- Phase Sequence, Under voltage
- Over Voltage, Manual Reset
- Fixed Unbalance setting
- Adjustable UV/OV settings
- 2 CO output relay
Supply Voltage
- System100-120/220-240/380-440 VAC±20%, 3Ph-3Wire
- AuxillaryBuilt In
Output Contacts
Trip Setting(Volts)
- Phase SequenceYes
- Phase Unbalance10% fixed
- 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]
105-140V AC [Variable]
Trip Time Delay
- On Phase Failure3.5 secs ± 1.5 sec.
- On UV/OV3.5 secs ± 1.5 sec.
Resetting Mode
Weight
Dimensions (mm)
- Overall (L x W x D)76 x 30.5 x 117.5
- Mounting (L x W)68 centre to centre / 35 mm rail Mounting
Note:
- Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)
- * CE marked products available on request.
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