Home  |  Contact Us

banner_phase_failure_relays


 
Products I Motor / Pump Protection Relays I MPR D2



MPR D2
Phase Failure, Unbalance, Phase sequence and overloading
Auto / Manual Reset,
Adjustable current trip settings,
Selectable characteristics,
1CO / 2CO output relay
Supply Voltage
System : 100-120 / 220-240 / 380-440 V AC ±20%
Auxillary : 110/240/380/415 V AC 24 V AC/DC ±20%, 50 / 60 Hz

Output Relay Contact : 1 CO (2 CO)

Input : From CTS

Trip Setting
Phase to phase unbalance : 50% of motor Current ±10%
Under current (Dry running) : N.A.
Overload : Above 120% of set Current (IDMTL)
UV/OV : N.A.

Trip Time Delay
On phase failure : 5.5 secs. ± 1.5 secs.
For overloading : As per selectable inverse time Characteristics
(2 secs. / 5 secs.) or 10 secs. or 15 secs. or 20 secs. (optional)
UV/OV RP : N.A.

Resetting : Auto / Manual / Remote

Approx Weight : 425 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
MPR D2 MPR D2

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