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.