Lenze E82EV751K4C Inverter

E82: 8200 Série vetorial

V: Vector inverter

751: 0.75kW (75 = 0.75; the last digit 1 denotes power class)

K4: 3-phase 380~480V voltage class

C: Basic unit, without integrated EMC filter (suffix C200 indicates version with filter)

Recursos funcionais

1. PID integrado, flying restart, motor load loss monitoring, Frenagem CC, 4 parameter set switching;
2. Plug-in expansion modules: PROFIBUS, PODE, INTERBUS and other fieldbus modules;
3. Funções de proteção: curto-circuito, falha de terra, sobretensão/subtensão, temperatura excessiva, motor PTC temperature measurement, motor stall protection;
4. Resfriamento: natural air cooling, montagem vertical; ambient temperature -10~+55℃, desclassificação necessária acima de 40℃; desclassificar 5% for every 1000m elevation above 1000m.

Aplicações Típicas

Fãs, bombas de água, linhas transportadoras, pequenos misturadores, general industrial speed regulation, AVAC, máquinas de embalagem.

Peças de reposição & Informações de substituição

1. Operator panel: Lenz XT panel;
2. Resistor de freio: ERBM370;
3. In-series alternative: E82EV751K4C200 (version with integrated EMC filter);
4. Nota de descontinuação: O 8200 Vector series is an obsolete model; i500 series is recommended for new unit replacement.

Solução de problemas comuns

Sobrecorrente OC: Curto-circuito do motor, cabo danificado, excessive carrier frequency, short circuit in brake circuit;

Sobretensão de OV: Too short deceleration time, inertial load, grid surge;

OH Overtemperature: Dust accumulation in cooling channel, alta temperatura ambiente, insufficient top/bottom installation clearance (≥100mm clearance reserved on top and bottom);

CINH Controller Inhibit: Disconnected enable circuit at terminal 28.

Notas de instalação

Máx.. length of shielded motor cable: 50eu (8kHz); unshielded cable: 100eu. Output du/dt filter is recommended for long motor wiring.

Lenze E82EV751K4C (8200 Vector 0.75kW, 380V) Cenários de aplicação

Posicionamento central: Low-power general-purpose vector inverter, suitable for light constant-torque load and simple PID speed regulation. Mostly original equipment on legacy machinery, fim da vida, mainly used for spare part replacement of old equipment.

1. Material Conveying Industry (Mais Comum)

Transportadores de correia pequenos, roller conveyor lines, chain feeders

Características: Vetor sem sensor, good low-speed torque; S-curve acceleration/deceleration for smooth start-stop to avoid material impact; multi-speed selection supported. Built-in brake transistor, external brake resistor can be fitted for inertial loads requiring fast deceleration.

Uso típico: Infeed/outfeed belts of packaging lines, sorting branch lines, small hoists.

2. Máquinas de embalagem

Vertical form fill seal machines, rotuladores, small slitter machines, auxiliary drives for pillow packaging machines, acionamentos transportadores

Vantagens: Native PID, simple tension control with dancer roller; 4 parameter set switching for one-click recipe changeover for different products; expandable PROFIBUS/CAN bus for PLC integration.

Industry stock: Large quantity of European legacy packaging machines originally equipped with this drive.

3. Indústria Gráfica (Classic OEM Model)

Auxiliary drives for Roland 700 offset presses, paper transport, delivery tray, air blowing / paper traction motors. A popular spare part model in printing machine maintenance market.

Requisitos: Stable low-speed operation, flying restart (start with rotating load); inertial load from paper rolls, fast stop achieved with brake resistor.

4. AVAC & Fluido (Fã & Bombear)

Ventiladores centrífugos pequenos, duct exhaust fans, bombas de reforço, bombas dosadoras

Built-in PID for constant pressure / fluxo / controle de temperatura; quadratic V/F mode for energy saving; flying restart for fans still rotating after power loss.

Observação: Limited 0.75kW power rating, only for small fans and pumps.

5. Máquinas Têxteis

Small spinning auxiliary machines, fabric traction rollers, guide rollers, carding auxiliary rollers, simple unwinder/rewinder

Vantagens: Constant torque at low speed, low noise at 16kHz carrier frequency to reduce fabric flutter; multi-speed switching for different fabric types.

6. Carpintaria, Comida & Pharmaceutical Standalone Small Machines

Sanding auxiliary rollers for woodworking, pequenos misturadores, mixing tanks, food conveyors, pharmaceutical bottle feeding mechanisms

Condições operacionais: Continuous low-speed operation, parada frequente, stable torque requirement; cabinet dust protection required for dusty environments.

7. Other Niche Applications

Automatic revolving door drive, test bench motor drive, small stirring equipment, laboratory speed regulation platform.

✅ Operating Boundary for Selection

1. Motor: 3-phase asynchronous motor 0.75kW; 380~480V 3-phase power supply
2. Tipo de carga: Light constant-torque load preferred; 180% short-time overload for max. 60é
3. Não adequado: Heavy impact loads, high-speed servo positioning, high-precision synchronous control requiring encoder closed loop (8200 Vector is sensorless vector)
4. Instalação: Classificação IP20, deve ser instalado dentro do gabinete de controle, cannot be exposed directly on site.

⚠️ Industry Status

This model has been discontinued by the manufacturer for many years. Units available on market are mostly surplus stock or used reclaimed drives. Não recomendado para novos projetos; Lenze i500 series is preferred for replacement.

I can prepare a E82EV751K4C to i500 replacement selection & parameter migration comparison table if needed.

Method to Verify Suitability of Lenze E82EV751K4C for Your Application

Premissa central: This obsolete 8200 Vector 0.75kW sensorless vector inverter is only suitable for spare part replacement on legacy machines; not recommended for new project procurement.

Verification covers four aspects: load power & torque, process control requirements, environmental & installation conditions, project type (new retrofit / maintenance spare).

1. Poder & Correspondência de carga (Primary Check)

✅ Acceptable Conditions

1. Rated power of driven motor: 3-phase 0.75kW, 380V asynchronous motor; motor rated current ≤1.9A (inverter rated output current)
2. Short-time overload requirement: Máx.. 180% overload for up to 60 segundos. Suitable for applications with mild start-stop shock and short peak load.
3. Compatible load types:

✅ Recomendado: Light constant-torque loads (conveyor rollers, traction rollers, pequenos misturadores), cargas de torque variável (pequenos fãs, bombas pequenas)

✅ Inertial loads: Paper rolls, correias transportadoras, fast stop with external brake resistor (onboard brake transistor)

❌ Not Suitable

Potência do motor >0.75kW; continuous heavy load, frequent heavy impact loads (trituradores, stamping mechanisms)

Continuous overload exceeding 180% for extended duration

Quick check formula: Motor rated current ≤ inverter rated output current 1.9A

1. Process Control Requirement Check

✅ Processes compatible with this inverter

1. Regulação de velocidade: 0~650Hz speed range, sensorless vector without encoder, decent low-speed torque; no high-precision position synchronization required
2. Logic functions: Multi-speed selection, built-in PID closed loop (pressure/flow/simple tension), flying restart, Frenagem CC, 4 parameter set switching (multi-product recipe)
3. Comunicação: Expandable PROFIBUS / CAN bus modules for PLC connection; basic DI/DO analog terminal control
4. Iniciar-parar: S-curve acceleration/deceleration to reduce mechanical shock, ideal for conveying and packaging auxiliary equipment

❌ Unsuitable Applications

1. Applications requiring encoder closed loop, high precision positioning, multi-axis electronic cam, controle síncrono (functions of servo or high-end vector drives, 8200 Vector does not support encoder interface)
2. High-precision tension unwinding/rewinding, main drive of high-speed precision printing machines
3. Operating conditions requiring fast dynamic response and frequent acceleration/deceleration under heavy load

III. Ambiental, Instalação & Electrical Conditions

✅ Acceptable

1. Fonte de energia: 3-phase AC320~550V, 45~65Hz
2. Instalação: Dentro do gabinete de controle (IP20); full power at ambient temperature -10℃ ~ +40℃, derating required at 40~55℃; elevation ≤1000m, desclassificação acima de 1000m
3. Pó: Cabinet dust protection required; not for open-air, alta umidade, ambientes com gases corrosivos
4. Cabo do motor: Máx.. 50m shielded cable (8kHz); output du/dt filter required for long motor cables

❌ Not Acceptable

Direct outdoor installation, alta umidade, strong corrosion, heavy metallic dust environment

Excessively long motor cable without output filter

1. Project Type Assessment (Crítico)

✅ Suitable: Substituição de peças sobressalentes, old equipment maintenance

Original machine is factory fitted with E82EV751K4C. Direct same-model replacement, parameters/program can be copied without mechanical or electrical control modification.

Desvantagem: Available stock is surplus or used, unstable lead time, no original manufacturer warranty.

❌ Não recomendado: Novos projetos, complete machine retrofit

New projects should adopt Lenze i500 series (i510 / i550), melhor desempenho, full new warranty, stable spare part supply.

✅ Quick Self-Check Checklist (Tick boxes)

Motor is 3-phase 380V asynchronous motor, rated power 0.75kW, rated current ≤1.9A

Máx.. short-time load does not exceed 180% and lasts less than 60 segundos

Only speed regulation and simple PID required, no encoder closed-loop positioning

Inverter mounted inside control cabinet, ambient temperature ≤40℃

Application is legacy equipment maintenance spare replacement, not new machine development

✅ All boxes ticked: E82EV751K4C can be used;

❌ Any box fails: Not recommended, select different power rating or switch to i500 and other new models.

Suplementar: Replacement Selection Reference

If requirements are not met, Lenze i500 series (i510 / i550, 0.75kW, 380V) é preferido. Parameter migration supported, more bus options, optional integrated EMC filter, new units readily available.

Lenz 8200 Vetor (E82EV) Lista completa de modelos

Series full name: E82EV = 8200 Vector vector inverter, IP20 built-in unit, 0.25~90kW, descontinuado

Explicação do sufixo:

K2: Single/3-phase 230V; K4: 3-fase 380~480V

C: Small power housing (0.25~11kW); B: High power housing (15~90kW)

C200 = Version with integrated EMC filter; base C version without EMC filter (E82EV751K4C in your query is base version without filter)

1. 230Classe V (K2, entrada monofásica, 0.25~7,5kW)

1. 400Classe V (K4, 3-fase 380~480V, 0.55~11kW, C housing)【Focus, E82EV751K4C belongs to this group】

III. 400Classe V (K4, 3-fase 380~480V, 15~90kW, B housing)

✅ Derivative Variants (Mesmo poder, different suffix)

1. C200 version: Add C200 suffix for same power model, integrated EMC filter, exemplo: E82EV751K4C200
2. Safe-Standard safe torque off version: suffix 4xx, por exemplo. E82EVxxxKxC400 (available for 3~11kW)
3. Coated PCB version: PCB conformal coating for humid and dusty environments, suffix xxx1
4. E82DV / E82CV: Mesmo 8200 Série vetorial, different mounting construction:

E82DV: Through-panel mounting

E82CV: Cold plate cooling type (base plate heat dissipation), power range same as E82EV

📌 Optional Accessories List (E82Z series accessories)

E82ZAFSC010: Standard I/O terminal module (E82EV main unit requires this I/O board for operation)

E82ZBC: Basic operator panel; EMZ9371BC: XT advanced panel

E82ZAFPC010: Profibus DP communication module

E82ZAFCC010: Módulo de comunicação CANopen

E82ZLxx: Line reactor

ERBM / ERBD: Matching brake resistor

⚠️ Remarks

1. O inteiro 8200 Vector series has been discontinued by OEM. i500(i510/i550) is recommended for new projects;
2. Small power E82EV (0.25~11kW) housing size increases with power rating, all IP20; B housing for 15kW and above with larger dimension;
3. C and C200 versions of same power have identical electrical performance, difference only in EMC filter. Interchangeable for spare replacement, EMC compliance needs to be considered.