Skip to content
Close
SEARCH
Product Category
Industries
EMX4 Banner-04
In addition to our product range, AuCom provides specialised services to support the smooth and efficient operation of your systems
Services
Web Nav Banners-07
Explore our comprehensive resources, from product guides to technical insights, designed to support and empower your operations.
Resources
Download-a-brochure-05
Whether you need to contact our team, find support, or connect with our global network, AuCom is here to help—anytime, anywhere.
Contact
Banner-03
Our Company
Careers
News & Articles
Elhamman pumping station banner-02-2
image 3

EMX4i 1200V Soft Starter

Amps 1 1  < 1092A    Volts 1 1  960 - 1200V

Fit for purpose

EMX4i 1200V starters combine true medium voltage power technology with the modern and proven EMX4i controls. This approach ensures EMX4i soft starters outperform competitor products in 1000-1200V voltage range and guarantees robust and reliable performance in extreme conditions.

Enquire Now
EMX4i 1200V-1

Highlights

Advanced-Features
Advanced Feature Set

With the most advanced control feature set in the 1000-1200V soft starter segment, EMX4i starters eliminate the need for additional function modules.
rugged-reliable
Rugged & Reliable

The EMX4i features a durable 2.3kV power section built to withstand demanding environments. This robust design provides efficient, seamless operation, giving you confidence and peace of mind in any setting.
ground-fault-protection
Reliable Ground Fault Protection

Ground fault protection is integrated within the EMX4i control system enabling dynamic allowance for starting/stopping conditions thereby preventing nuisance trips associated with external protection systems.

Features & Accessories

Motor Control

  • Two motor sets
  • Constant current & current ramp start
  • Adaptive control starting/stopping
  • Kickstart
  • Coast to stop and TVR stop
  • DC brake
  • Soft brake
  • Jog (forward and reverse)
  • Inside delta (6 wire) control
  • Soft trip
  • Pump clean
  • Reversing contactor control

 

Integration and Management

  • Multi-language graphical display
  • I/O and network expansion options
  • USB port and data logging
  • Voltage measurement
  • Analog output
  • Emergency run
  • SCR fail PowerThrough operation
  • Daily on/off scheduling
  • Run simulation

 

Protection

  • Motor thermistor
  • Current imbalance
  • Under/Overcurrent
  • Under/Overvoltage
  • Under/Overpower
    (dry pump protection)
  • Phase sequence
  • Phase loss
  • Power loss
  • Fail safe relay
  • Shunt trip relay

Communications Options

  • Modbus RTU
  • Profibus
  • DeviceNet
  • Modbus TCP
  • ProfiNET
  • Ethernet IP

Smart Card Options

  • Pumping Smart Card

Other Accessories

  • Remote HMI
Show more

Specifications

General
Current Range 202 A ~ 1250 A (nominal)
Motor connection In-line or inside delta
Bypass

External, mandatory

Supplied separately
 
Supply
 Mains Voltage (L1, L2, L3)
EMX4i-xxxx-V12 1200 VAC (+10%/-20%)
Control Voltage (A1, A2, A3)
EMX4i-xxxxE-V12-C1 (A1, A2) 110 VAC ~ 120 VAC (+10%/-15%), 600 mA 
EMX4i-xxxxE-V12-C1 (A2, A3) 220 VAC ~ 240 VAC (+10%/-15%), 600 mA
EMX4i-xxxxE-V12-C2 (A1, A3) 24 VAC/VDC (± 20%), 2.8 A
Mains Frequency 45 Hz to 66 Hz
Rated insulation voltage to earth 1200 VAC
Rated impulse withstand voltage 6 kV
 
Short Circuit Capability
Coordination with semiconductor fuses Type 2
Coordination with HRC fuses Type 1
 
Electromagnetic Capability
(Compliant with EU Directive 2004/108/EC)
EMC Immunity IEC 60947-4-2
EMC Emissions IEC 60947-4-2 Class B  
 

Inputs
Input rating  Active 24 VDC, 8 mA approx.
Motor thermistor (B4, B5) Trip >3.6kΩ, reset <1.6kΩ
 
Outputs
Relay outputs  10 A @ 250 VAC resistive, 5 A @ 250 VAC, AC15 pf 0.3
Main contactor (33, 34) Normally open
Relay output A (41, 42, 43) Changeover
Relay output B (53, 54) Changeover
Analog output (21, 22)
  Maximum load 600Ω (12 VDC @ 20 mA)
  Accuracy  ± 5%
 
Environmental
Operating temperature -10 °C ~ 60 °C, above 40 °C with derating
Operating altitude 0 - 1000 m, above 1000 m with derating
Storage temperature -25 °C ~ 60 °C
Humidity  5% to 95% Relative Humidity
Pollution degree Pollution Degree 3
Vibration IEC 60068-2-6
Protection 
EMX4i-0202E ~ EMX4i-1092E  IP00

 

Heat dissipation

During start 4.5 watts per ampere
 During run (bypassed) ≤ 180 watts approx.
Show more