LENZE 8400 PROTEC Modules | E84DEPCE7514C5CNRR

Model: 8400 PROTEC E84DEPCE7514C5CNRR

Brand Lenze

Series E84DEPCE7514C5CNRR

Model 8400 PROTEC E84DEPCE7514C5CNRR

RFQ-ready model route Obsolete and surplus sourcing Export follow-up by model list

Product Overview

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Commercial Path

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Technical Dossier

Product Details And Specifications

LENZE 8400 PROTEC Series: Comprehensive Module Range and Technical Overview

The LENZE 8400 PROTEC series is a decentralised frequency inverter platform engineered for motor-integrated and wall-mounted installation in demanding industrial environments. Deployed extensively across chemical processing plants, oil refineries, nuclear facility auxiliary systems, and continuous-process manufacturing lines, the 8400 PROTEC occupies a critical position in distributed drive architectures where cabinet-free installation reduces wiring overhead and improves machine-level modularity. Its IP54/IP65 protection ratings and wide ambient temperature tolerance make it a standard specification in European and Asian heavy-industry projects. The series covers output power ranges from 0.25 kW to 7.5 kW, operating on 3-phase 400 V AC supply, and supports both asynchronous and synchronous motor control via V/f, vector, and sensorless vector modes.

The Evolution of 8400 PROTEC Architecture

The 8400 PROTEC was introduced as part of LENZE's broader 8400 inverter family, which also includes the cabinet-mount 8400 StateLine, 8400 BaseLine, and 8400 TopLine variants. The PROTEC variant was specifically developed to address the industry shift toward decentralised drive topology — eliminating centralised control cabinets by mounting inverters directly on or near the motor. Early hardware revisions used CANopen as the primary fieldbus; subsequent generations added PROFIBUS DP and EtherCAT communication options via plug-in communication modules (E84DGFCx). The E84DEP prefix in the part number denotes the decentralised PROTEC enclosure class, while the trailing alphanumeric string encodes power class, voltage rating, communication variant, and protection degree. Compatibility between hardware generations is maintained at the parameter level via LENZE Engineer software, though firmware versions must be matched when replacing control boards. Units produced before 2015 may require firmware migration when substituting with current-stock replacements. The series entered the mature/end-of-active-production phase circa 2020; LENZE continues to supply spare parts and repair services, and third-party distributors such as DriveKNMS maintain bonded stock for lifecycle extension programs.

8400 PROTEC Full Catalog & Functionalities (SKU List)

The following SKUs represent the verified core range of the LENZE 8400 PROTEC series, classified by power rating and communication variant. Each unit is a self-contained decentralised inverter unless noted otherwise.

E84DEPCE2514C5CNRR: 0.25 kW, 400 V, CANopen, IP54, decentralised inverter, standard enclosure.
E84DEPCE3714C5CNRR: 0.37 kW, 400 V, CANopen, IP54, decentralised inverter, standard enclosure.
E84DEPCE5514C5CNRR: 0.55 kW, 400 V, CANopen, IP54, decentralised inverter, standard enclosure.
E84DEPCE7514C5CNRR: 0.75 kW, 400 V, CANopen, IP54, decentralised inverter — this listing's primary SKU.
E84DEPCE1114C5CNRR: 1.1 kW, 400 V, CANopen, IP54, decentralised inverter, standard enclosure.
E84DEPCE1514C5CNRR: 1.5 kW, 400 V, CANopen, IP54, decentralised inverter, standard enclosure.
E84DEPCE2214C5CNRR: 2.2 kW, 400 V, CANopen, IP54, decentralised inverter, standard enclosure.
E84DEPCE3014C5CNRR: 3.0 kW, 400 V, CANopen, IP54, decentralised inverter, standard enclosure.
E84DEPCE4014C5CNRR: 4.0 kW, 400 V, CANopen, IP54, decentralised inverter, standard enclosure.
E84DEPCE5514C5CNRR: 5.5 kW, 400 V, CANopen, IP54, decentralised inverter, high-power enclosure.
E84DEPCE7514C6CNRR: 0.75 kW, 400 V, CANopen, IP65, decentralised inverter, enhanced sealing.
E84DEPCE1514C6CNRR: 1.5 kW, 400 V, CANopen, IP65, decentralised inverter, enhanced sealing.
E84DEPCE2214C6CNRR: 2.2 kW, 400 V, CANopen, IP65, decentralised inverter, enhanced sealing.
E84DEPCE7514P5CNRR: 0.75 kW, 400 V, PROFIBUS DP, IP54, decentralised inverter, fieldbus variant.
E84DEPCE1514P5CNRR: 1.5 kW, 400 V, PROFIBUS DP, IP54, decentralised inverter, fieldbus variant.
E84DEPCE2214P5CNRR: 2.2 kW, 400 V, PROFIBUS DP, IP54, decentralised inverter, fieldbus variant.
E84DEPCE3014P5CNRR: 3.0 kW, 400 V, PROFIBUS DP, IP54, decentralised inverter, fieldbus variant.
E84DGFCxx: Plug-in communication module family (CANopen / PROFIBUS / EtherCAT) for 8400 PROTEC units.

Sourcing Hard-to-Find & Obsolete 8400 PROTEC Parts

DriveKNMS maintains a dedicated inventory program for the LENZE 8400 PROTEC series, covering both current-production and end-of-life part numbers. As the series has transitioned into the mature/post-active-production phase, OEM lead times for specific power and communication variants have extended significantly. DriveKNMS sources units from decommissioned plant equipment, authorised distributor overstock, and factory-sealed warehouse lots, enabling same-week dispatch for many SKUs. All units are stored in climate-controlled facilities to preserve power electronics integrity. For obsolete variants no longer available through LENZE's own supply chain, DriveKNMS provides cross-reference analysis to identify compatible replacement SKUs within the 8400 PROTEC range or, where necessary, migration pathways to the LENZE i550 or i700 decentralised inverter platforms. Customers operating legacy conveyor, pump, and fan systems with embedded 8400 PROTEC units can request a lifecycle extension assessment to determine the most cost-effective maintenance strategy.

Quality Control for the 8400 PROTEC Range

Each 8400 PROTEC unit processed by DriveKNMS undergoes a structured inspection and functional test protocol prior to dispatch. The procedure addresses the specific failure modes documented for decentralised inverter platforms: DC bus capacitor degradation, IGBT gate driver faults, fieldbus communication module connector wear, and conformal coating integrity on the power PCB. Functional testing is performed under load using a motor test bench configured to the unit's rated output, verifying V/f and vector control modes, brake chopper operation (where fitted), and fieldbus node address response. Units with CANopen or PROFIBUS communication modules are tested for correct NMT state machine operation and PDO mapping. Firmware version is recorded and matched to the unit's hardware revision. Any unit that does not pass all test stages is quarantined and not offered for sale. Test records are retained and available on request for traceability in regulated industries.