Providing precise speed and torque control for industrial three-phase motors, the Lenze E82EV371_2B is a modular frequency inverter designed for high-efficiency operation within automated architectures. This unit, belonging to the respected 8200 Vector series, delivers a rated power output of 0.37 kW and features integrated interference suppression measures to maintain electromagnetic compatibility in demanding electrical environments.
Key Features
- Integrated radio frequency interference (RFI) suppression filters to minimize electrical noise.
- Vector control processing for optimized torque characteristics at low rotational speeds.
- Modular interface slot allowing seamless integration of fieldbus communication modules.
- Compact physical footprint designed for space-optimized control cabinet layouts.
- Robust thermal management and protection circuits against overvoltage, undervoltage, and motor overload.
Applications
- Material handling systems and small conveyor belts.
- Packaging machinery and labeling systems.
- Industrial fan and centrifugal pump speed regulation.
- Auxiliary machine tool positioning and feed drives.
Technical Specifications
| Parameter |
Specification Value |
| Manufacturer |
Lenze |
| Model Reference |
E82EV371_2B (E82EV371K2B) |
| Product Series |
8200 Vector |
| Mains Connection Voltage |
3 x 230 V AC |
| Rated Power Output |
0.37 kW |
| Interference Suppression |
Integrated filter measures |
| Product Lifecycle Phase |
Phase-Out (Legacy support active) |
| Dimensions (W x H x D) |
6.00 x 14.00 x 12.00 cm |
| Net Weight |
0.80 kg |
| Commodity Code |
85044095 |
| Export Control Classification |
ECCN: N |
Connections and Interfaces
| Terminal Designation |
Functional Assignment |
| L1, L2, L3 |
3-Phase AC Mains Input Connection (230 V) |
| U, V, W |
3-Phase Motor Output Connection |
| PE |
Protective Earth Grounding Terminal |
Empirical Engineering Insights
Alternative Models & Compatibility
The E82EV371_2B is functionally identical to the model reference E82EV371K2B, where the "K" designates the decimal placement for its 0.37 kW rating. When replacing older 8200 series units, ensure that any pluggable communication modules (such as CANopen or PROFIBUS FIF modules) are retained and transferred to the replacement unit, as the base power module does not include communication interfaces by default.
Application Pitfalls & Engineering Notes
Because this VFD is in its legacy phase-out lifecycle, thermal management is critical when retrofitting older enclosures. Ensure a minimum clearance of 100 mm above and below the drive to prevent heat buildup, as the internal heatsink relies heavily on unobstructed vertical convection currents.
Commissioning & Wiring Tips
To maintain the effectiveness of the integrated interference suppression filter, always use low-capacitance shielded motor cables. The shield must be grounded with a 360-degree metal clamp directly to the mounting plate as close to the drive's PE terminal as possible to minimize high-frequency electromagnetic interference.
Installation Guidelines
CRITICAL WARNING
Isolate all electrical power sources before commencing installation or maintenance. After disconnecting the mains supply, wait at least 5 minutes for the internal DC-bus capacitors to discharge completely to safe voltage levels before touching any electrical terminals.
1
Mount the drive vertically on a flat, conductive, and grounded metal mounting plate inside an IP54 or higher rated control cabinet.
2
Connect the protective earth (PE) conductor to the designated grounding terminal before making any other wiring connections.
3
Wire the 3-phase 230 V AC mains input to terminals L1, L2, and L3, and the motor leads to terminals U, V, and W using shielded cables.