MVX Specification

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.