Phase Failure Relays
Monitoring Relays
Motor / Pump Protection Relays
Electronics Timers
Liquid Level Controllers

Voltage Sensing Phase Failure Relays

Voltage Sensing Phase Sequence Relay

Voltage Sensing Phase Failure Relays with Under and Over Voltage

Voltage Scanner

Phase Failure Relays

Voltage Monitoring Relays

Single Phase Current Monitoring Relays

Earth Fault Relays

Frequency Monitoring Relays

Earth Leakage Relays

Reverse Power Relay

Monitoring Relays

Voltage Monitoring Relays

Current Monitoring Relays

Ground Fault Monitoring Relays

Frequency Monitoring Relays

Power Monitoring Relays & CBCT

Microprocessor Based Motor Protection Relay

Winding Temperature Relay

Bearing Temperature Relay

Motor / Pump protection Relays

Microprocessor Based Motor Protection Relay

Winding Over – Temperature Protection Relays

On Delay Timers

Special Function Timers

Multifunction Timer

On Delay Timers

Special Function Timers

Cyclic Timers

Conductive Liquids

Non Conductive Liquids

Alternating Relay

Liquid Level Controllers

Level Controllers – Conductive Liquids

Level Controllers – Non Conductive Liquids

Power Line Transducers And MFM
Automation Products
Alarm Annunciators
Products For Agri Sector

Voltage, Current, Frequency Transducers

Power Transducers

Isolation Transducers

Transducers Models

Booster Pump Controller

Twin AC Controller

Process/Plant Control and Automation

Twin AC Controller

Potential Free Inputs

Potential Inputs

Alarm Annunciator

Motor / Pump Protection Relays

D3 MPR3

Microcontroller based, Sensing current.

Protection against Phase Failure, Unbalance and over loading.

Manual / Remote resetting.

1 CO output relays

Technical Data

D3-DMPR1-Motor-/-Pump-Protection-Relays-Diagram-Minilec-group

Supply Voltage

System 415 VAC ± 20%
Auxillary 110 / 240VAC ± 20%

Frequency

Frequency 50 Hz / 60 Hz ± 3%

Output Relay Contact

Output Relay Contact 1 CO

Output Contact Rating

Output Contact Rating 5 Amp, 240VAC [RESISTIVE]

Rated I/P Current

Rated I/P Current 5A / 20A / 50A / 100A (OPTIONAL)

FLC Setting

FLC Setting 20% TO 110% of Rated Current

Current UB Trip Setting

Current UB Trip Setting 50% of FLC 10% (fixed)

Overload Trip Setting

Overload Trip Setting As per Inverse Time Charc’ 10Sec fixed

Trip TIme Delay

Trip TIme Delay 4 SEC ± 1 SEC
Phase Loss (Sp),Unbalance(Ub) Overload AS PER IDMTL CHARC’ - 10SEC

Indications

ON (RUN MODE) GREEN (STEADY ON)
SP / UB RED (STEADY ON / FLASHING)
OL RED (STEADY ON)

Test/Reset

Test/Reset Manual (Push Button On Unit), Remote Reset

Enclosure

Enclosure D3 - ABS ENCLOSURE

Dimensions (mm)

Overall (L x W x D) 71 x 100 x 111

Mounting

Mounting 35mm DIN Rail Mounting

Approx Weight

Approx Weight 350 gms

Operating Conditions

Approx Weight TEMPERATURE = -5 °C TO +60 °C
HUMIDITY = UPTO 95% Rh.