EVS9331-EP Lenze 9300 Servo Inverter 55 kW Drive

EVS9331-EP Lenze 9300 Series Servo Inverter – 55 kW Position Controller

Key Technical Specifications

• Brand: Lenze
• Model: EVS9331-EP
• Series: Global Drive 9300 Servo Inverters
• Rated motor power: 55.0 kW (4-pole asynchronous motor, 400 V)
• Rated output current: 110.0 A nominal at 8 kHz switching frequency
• Maximum output current: 165.0 A at 8 kHz (150% overload mode)
• Control method: Field-oriented servo control (SC)
• Analog inputs: 2 channels, ±10 V (switchable 0…20 mA), 11 bits plus sign
• Analog outputs: 2 channels, 9 bits plus sign
• Digital inputs: 6 total (1 controller enable + 5 freely assignable), PLC level per IEC 61131-2
• Digital outputs: 4 outputs, 50 mA per output

Feedback and Encoder Interfaces

• Resolver input: Sub-D 9-pin connector
• Encoder input: Multi-encoder port for TTL/SinCos incremental encoders
• Absolute encoder support: Hiperface absolute encoders
• Digital frequency I/O: Two-track each, Sub-D 9-pin
• Signal resolution: 11 bits + sign on analog inputs, 9 bits + sign on analog outputs
• Anti-interference design: Shielded Sub-D connectors and PLC-level digital I/O per IEC 61131-2

Communication and Expansion

• Built-in ports: CAN system bus (X4) and AIF automation interface (X1)
• Integrated protocol: CANopen on the system bus
• AIF slot modules: PROFIBUS DP (EMF2133IB), DeviceNet (EMF2179IB), INTERBUS (EMF2113IB), LECOM A/B (EMF2102IB)
• Keypad option: AIF interface accepts a keypad or attachable communication module
• Typical use: Multi-axis networks with PLC-level control integration

Electrical and Environmental Ratings

• Supply voltage: 3/PE AC 320…528 V nominal, 45…65 Hz
• DC supply alternative: DC 460…740 V
• Power loss at 400 V: 1470 W
• Operating temperature: 0…+50 °C ambient
• Derating: 2.5% output current per °C above +40 °C (not UL-approved)
• Storage temperature: -25…+55 °C
• Relative humidity: Average 85% RH without condensation (climatic class 3K3 per EN 50178)
• Protection rating: IP20

Physical Data and Installation Guide

• Dimensions (H×W×D): 680 × 440 × 285 mm
• Weight: 59.0 kg per the 9300 Servo Inverters catalogue (en 03/2009); one mirror source lists 40.0 kg for type 9331/9332, and Lenze retains this conflict unresolved
• Mounting style: Built-in/push-through design for control cabinet installation
• Installation step 1: Cut the cabinet panel opening to the 440 × 285 mm footprint
• Installation step 2: Push the heatsink through the panel and secure the housing
• Installation step 3: Keep clearance for airflow around the heatsink
• Installation step 4: Connect resolver and encoder cables to the Sub-D 9-pin ports
• Installation step 5: Wire the CAN bus to X4 and the AIF module to X1
• Installation step 6: Verify the 3/PE AC 320…528 V supply before power-up

Lifecycle and Migration

• Product status: Legacy product on Lenze's official "previous products" page
• Successor: Newer drive generations supersede this unit
• Migration path: Lenze confirms the i950 replicates 9300 servo behaviour via a compatibility switch
• Migration tools: i950 PROFIBUS module and the L_ICIP library support the upgrade
• Replacement note: No drop-in replacement shares the same order code
• Verification: Last verified in October 2026 with OFFICIAL_VERIFIED audit status

Packing List

• 1 × Lenze EVS9331-EP servo position controller
• 1 × Sub-D 9-pin resolver connector
• 1 × Sub-D 9-pin encoder connector
• 1 × Sub-D 9-pin digital frequency connector
• 1 × Installation guide

Shipping and Support

• Courier options: FedEx, UPS and DHL
• Dispatch: We ship orders within 5 days
• Stock: New original units are in stock
• Returns: We accept returns within 30 days

FAQ

• Q: What motor power does the EVS9331-EP support?
  A: The unit rates 55.0 kW for a 4-pole asynchronous motor at 400 V.
• Q: How much output current does the EVS9331-EP deliver?
  A: It provides 110.0 A nominal and 165.0 A maximum at 8 kHz switching frequency.
• Q: Which supply voltages does this Lenze drive accept?
  A: It accepts 3/PE AC 320…528 V at 45…65 Hz, or DC 460…740 V.
• Q: What is the operating temperature range?
  A: The drive runs from 0 to +50 °C ambient with 2.5%/°C derating above +40 °C.
• Q: Which encoders can I connect?
  A: You can connect TTL/SinCos incremental encoders and Hiperface absolute encoders.
• Q: Which communication protocols does the EVS9331-EP support?
  A: CANopen is integrated, and AIF modules add PROFIBUS DP, DeviceNet, INTERBUS or LECOM A/B.
• Q: What protection rating does the housing offer?
  A: The housing carries an IP20 protection rating.
• Q: Is the EVS9331-EP still available?
  A: Lenze lists it as a legacy product with an i950 migration path.
• Q: What is the condition of the stock?
  A: We offer new original units, and we hold stock for immediate orders.
• Q: How fast do you ship, and which couriers do you use?
  A: We dispatch within 5 days via FedEx, UPS or DHL, and we accept returns within 30 days.