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Products I Motor / Pump Protection Relays I D2 MPR1



D2 MPR1
Phase Failure
Unbalance
Phase sequence and overloading
Under Current
Auto/Manual Reset
Adjustable current trip settings
Test Facility
UC bypass facility
Selectable overload characteristics
2CO output relay
Supply Voltage
System : 380-440 V AC ± 20%, 45-65 Hz
Auxillary : 220-240 / 380-440V AC

Output Relay Contact : 2 CO

Input : -

Trip Setting(Volts)
Phase to phase unbalance : 50% of Motor Current (Fixed)
Under current (Dry running) : 40% to 80% of set current (Adj.with Bypass facility)
Overload : As per inverse time characteristics
UV/OV : N.A.

Trip Time Delay
On phase failure : 4 Sec ± 1 Sec
For overloading : As per Inverse Time Characteristics
2/5/10 Sec. (Selectable)
UV/OV RP : N.A.

Resetting : Auto/ Manual (Remote with NC Push Button)

Approx Weight : 400 gms

Dimensions (mm)
Overall (L x W x D) : 76 x 56.5 x 117.5
Mounting (L x W) : 67 x 46 alt / 35 mm Rail Mounting

Note:
Wherever not specified Contact Rating : 5A @ 230 V AC (resistive)

Selection Chart For CTS Times full Load Current
S2 CTS1 S2 CTS1
Timing/ Relay logic Diagram

Electrical Connection Diagram

D2 MPR1 D2 MPR1

Relay contact position shown in 'Power off' condition
Suitable for Panels in Following Apllications:
Air -Conditioning & Refrigeration Machines
Screw Compressors
Lift , Elevators, Hoist & Cranes
Crusher Motors , Mining M/c
End Users
 
 
 
 



MODELS

Motor / Pump Protection Relays

Microprocessor Based Pump Automation System

Winding Over - Temperature Protection Relays