MVX: Specifications

Supply

                   
Mains Voltage    
  MVXxxxx-V12
  12 kV Phase-phase
Rated Frequency   50 Hz or 60 Hz
Rated Power Frequency Withstand Voltage (Ud)
  MVXxxxx-V12
  42 kV
Rated Lightning Impulse Withstand Voltage (Up)
  MVXxxxx-V12
  75 kV
Rated short-time withstand current (asymmetrical RMS peak) (Ik)
  MVXxxxx-V12
  31.5 kA for 4 seconds
Form Designation   Bypassed semiconductor motor starter form 1


Control Inputs

   
Start (Terminals C23, C24)   24 VDC, 8 mA approx
Stop (Terminals C31, C32)   24 VDC, 8 mA approx
Reset (Terminals C41, C42)   24 VDC, 8 mA approx
Input A (Terminals C53, C54)   24 VDC, 8 mA approx
Input B (Terminals C63, C64)   24 VDC, 8 mA approx
Motor Thermistor (Terminals B4, B5)   Trip point > 2.8 kOhm


Control Outputs

   
Relay Outputs   10 A @ 250 VAC resistive
    6 A @ 250 VAC AC15 p.f. 0.3
    10 A @ 30 VDC resistive
Main Contactor (Terminals 13, 14)   Normally Open
Bypass Contactor (Terminals 23, 24)   Normally Open
Run Output/ PFC (Terminals 33, 34)   Normally Open
Output Relay A (Terminals 43, 44)   Normally Open
Output Relay B (Terminals 51, 52, 54)   Changeover
Output Relay C (Terminals 61, 62, 64)   Changeover
Analog Output (Terminals B10, B11)   0-20 mA or 4-20 mA


Environmental

   
Equipment Class (EMC)   Class A
Internal Arc Classification (IAC)   AFLR to maximum of 31.5 kA for 1 second
Degree of Protection    
Phase Cassette   IP00
Controller   IP54/ NEMA 12
Operating Environment    
IEC60721-3-3: IE34: Climatic 3K4   -5° C to 40° C, with derating to 55° C
Relative Humidity   5% to 95%
Storage Environment    
IEC60721-3-1: IE12   - 5° C to + 45° C
Relative Humidity   5% to 95%
Pollution Degree   Pollution Degree 2
Vibration   IEC 60068-2-6 Fc


Standards Approvals

   
C√   EMC requirements
CE   EMC EU Directive

MVX Protection Codes

Code

Protection description

       

MVX Protection (built-in)

48 Maximum start time   Excess start time
66 Too many starts   Restart delay and dynamic thermal model
37 Undercurrent     
51L Load Increase (alarm)   High current frequency output
51R Overcurrent - jam   Excess start time, electronic shearpin
50 Overcurrent - short   Shorted SCR, electronic shearpin
49/51 Thermal overload   Thermal overload - dynamic model
46 Current imbalance   Current imbalance
   Positive/negative phase sequence   Phase sequence
27 Undervoltage   Undervoltage
59 Overvoltage   Overvoltage
47 Phase loss   Phase loss
47 Phase sequence   Phase sequence
50G Ground fault   Ground fault
3 Communications failure   Communications failure
3 Internal failure   Internal failure
86/97 Ext. fault 1/code - 1   Auxiliary trip A
   Ext. fault 1/code - 2   Auxiliary trip B
38 Motor overtemperature   Thermistor protection*
49 Stator winding overtemperature   Thermistor protection*
32 Under power   Power Loss

* RTD Relay is an optional extra.