Dry Run & Overload Protection Relay

Model ID

D2 MPR1

Product Categories

Switches and Relays

Product Profile

Minilec offers Dry Run & Overload Protection Relay will protect motor / pump against hazards of phase failure, unbalance, phase sequence reversal, dry running, overloading. The dry running setting is adjustable and also there is a facility to bypass the undercurrent feature to be used for motor operating on no-load currents. The overload characteristics (2 sec., 5 Sec and 10 Sec) are selectable on the relay and comes with two changeover output relay contacts.

Features

Auto/Manual Reset
Adjustable current trip settings
Test Facility
UC Bypass Facility
Selectable Overload characteristics
2 CO output Relay

Technical Specifications

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System Voltage: System Auxiliary	415/440V AC ± 20%, 45-65 Hz 220-240/380-440V AC
Output Relay Contact:	2 CO
Trip Setting
Phase to Phase Unbalance	50% Motor Current (Fixed)
Under Current (Dry Running)	50% to 80% of set current (Adj. With Bypass Facility)
Over Load	As per inverse time characteristics
Trip Time Delay
On Phase Failure	4 Sec. ± 1 Sec.
For Overloading	As per inverse Time Characteristics 2/5/10 Sec. (Selectable)
Resetting	Auto / Manual (Remote by NC Push Button)
Dimensions (mm) Overall (L x W x D) Panel Mounting (L x W)	56.5 x 117.5 x 76 35 mm Rail Mounting & Panel Mounting
Approx Weight	400 gms.