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Products I Motor/Pump Protection Relays MBMPR



MBMPR
  Microcontroller based.
  Sensing voltage current and temperature
  Protecting against Phase Failure
  Unbalance
  Phase sequence
  Under/Over Voltage
  Overloading
  Winding over temperature
  Over current/Short circuit
  Auto/Manual resetting
  Locked rotor & earth fault
  On delay & start-up delay adjustable
  2x1CO output relays and serial communication port
Supply Voltage
  System
  Auxillary
:
:
415V AC +20%,-25% 3Ø, 3 Wire, 50 / (60)Hz ± 3%
90-270V AC / DC

Output : 1 CO for Trip & 1 CO for Alarm/RS 232 Port (Optional)

Input : External CTS ( CT5/CT20/CT50 )

Power Consumption : 8 VA

Trip Setting  
Setting Trip Level Trip Delay LED Reset
Mode
Power ON - - * -
Unbal/Ph.Rev 1% - 20% 1-10 Secs. * Auto / Manual
Under Voltage 75% - 95% 1-10 Sec * Auto / Manual
Over Voltage 105% - 120% 1-10 Secs. * Auto / Manual
Current unbalance 20-60% of Imax 1-10 Secs. * Multi
Attempt
Current phase Loss - 1-10 Secs. * Multi
Attempt
Under Current
(dry run)
} for
CDR-M
30-90% of Imax 1-10 Sec * Multi
Attempt
Over Current /
Short Circuit
300% - 800%
of Imax
2-25 Secs. * Multi
Attempt
Overload 2/5/10/15/20 Sec. As per IDMTL char. * Manual
Lock Rotor 200%-500% of Imax 1-10 Secs. * Manual
Earth Fault 30% - 80% 0.5 - 10 Secs. * Manual
Winding Overheat 4K1 - 5K6 1-20 Secs. * Auto/
Manual

Display   16x2 (Back lit LCD Display)

Dimensions (mm)
   
  Overall
(L x W x D)
  Panel Mounting
(L x W)
:

:
166 x 216 x 80
 
153 x 203
 

Approx Weight : 600 gms

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

 
MBMPR  

Relay contact position shown in 'Power off' condition
 
Suitable for Panels in Following Apllications:
Heavy Duty Motors
Crane Motors
Screw Compressors
AHU Fan Motors
HT Motors
Pump protection
Pump House Automation.
 
 
 
 



MODELS

Motor / Pump Protection Relays

Microprocessor Based Pump Automation System

Winding Over - Temperature Protection Relays