Larger production machinery — material handling systems, heavy conveyors, HVAC plant, and automated packaging lines — demands more from a drive than basic speed control. It needs accuracy under load, built-in safety, and the ability to communicate with the rest of the plant. The Lenze E84AVSCE3714SXO VFD is built for exactly this tier of demand, delivering 37 kW of rated power with the precision and communication depth of Lenze’s 8400 HighLine series.
This article covers the drive’s technical profile, where it fits within heavier industrial applications, and how to source it correctly in Bangladesh.
Overview
The E84AVSCE3714SXO is part of Lenze’s 8400 HighLine series, engineered for hi
gh-performance motor control at the 37 kW (50 HP) power class. Unlike compact platform drives aimed at smaller auxiliary loads, the HighLine series is built specifically for demanding, continuous-duty industrial environments — offering three distinct control modes (V/Hz, Sensorless Vector, and Closed-Loop Vector) so the same drive can be tuned from simple fan control through to precision load-sensitive applications.
Its rugged, compact enclosure and wide ambient temperature tolerance (-10°C to +50°C) make it suited to Bangladeshi factory floor conditions, while its communication options allow it to sit within a fully automated control architecture rather than operate as a standalone unit.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Lenze E84AVSCE3714SXO |
| Series | 8400 HighLine |
| Power rating | 37 kW (50 HP) |
| Input voltage | 3-phase, 380–480V AC |
| Output frequency | 0–400 Hz |
| Control modes | V/Hz, Sensorless Vector, Closed-Loop Vector |
| Protection rating | IP20 |
| Ambient temperature | -10°C to +50°C |
| Mounting | Wall or panel-mounted |
| Communication | EtherCAT, PROFIBUS, CANopen, Modbus TCP; EtherNet/IP optional |
| Safety technology | Safe Torque Off (STO) |
| Built-in protection | Overload, short-circuit, overcurrent, overheating |
Why Closed-Loop Vector Control Matters
Of the drive’s three control modes, Closed-Loop Vector Control is what distinguishes it for heavier-duty applications. By using real-time feedback from the motor, the drive continuously adjusts output to match actual load conditions — rather than assuming a fixed relationship between voltage and
frequency, as simpler V/Hz control does. This matters most in applications with variable or fluctuating loads, where precise torque control directly affects product quality and equipment longevity.
Typical Applications
The E84AVSCE3714SXO is suited to applications where both power and precision are required simultaneously:
- Material handling systems and heavy-duty conveyors
- Large pumps and fans in continuous industrial service
- HVAC systems requiring stable, load-responsive speed control
- Automated production lines and packaging machinery
For lighter loads with simpler control needs, Lenze’s i500 platform (i510/i550) is typically the more cost-effective choice. For textile finishing machinery specifically, the broader 8200/8400 vector series remains the standard fit — this HighLine model is best suited where higher power and advanced communication are both required.
Selecting the Correct Model
Before ordering, confirm the following to ensure correct part matching:
- Motor power require
- ment (kW) relative to the driven load, including any peak/starting torque demand
- Control mode needed — whether sensorless vector is sufficient, or closed-loop feedback is required
- Communication protocol in use across the existing control system (EtherCAT, PROFIBUS, CANopen, or Modbus TCP)
- Safety requirement, if STO is needed in place of external safety relays
Sourcing the Lenze E84AVSCE3714SXO in Bangladesh
Prime Engineering supplies genuine Lenze 8400 HighLine and 8200 vector series drives, alongside the i510/i550 platform, SEW-EURODRIVE, E+L, Fong’s, and Setex components. Our technical team confirms part compatibility before dispatch to ensure the correct unit reaches your site the first time.
Contact:
📞 01712-987013
📧 md@primeengineeringbd.org
📍 H# 42, R#20, Sec#11, Uttara, Dhaka
