EVF9331-EVV004 Lenze 9300 Vector 55 kW Safe Standstill Inverter

EVF9331-EVV004 Lenze 9300 Vector Frequency Inverter – 55 kW Safe Standstill Drive

EVF9331-EVV004 is a three-phase frequency inverter from the Lenze 9300 vector series. It delivers 55 kW rated motor power and 110 A nominal output current. The V004 variant includes an X11 KSR safety relay for safe standstill. This drive suits demanding industrial motion control.

Choose V/f characteristic or sensorless vector control. The unit handles 150% overload for 60 seconds. Built-in interfaces include an AIF fieldbus slot, CAN system bus, and incremental encoder input. Pluggable fieldbus modules support PROFIBUS DP, CANopen, DeviceNet, and more.

Technical Specifications

• Brand: Lenze
• Model: EVF9331-EVV004
• Series: 9300 vector
• Variant: V004 with X11 KSR safety relay for safe standstill
• Rated motor power: 55.0 kW (4-pole asynchronous motor, 3 AC 400 V)
• Output current: 110.0 A nominal at 8 kHz chopper frequency
• Max output current: 165.0 A for 60 s
• Output power: 76.2 kVA nominal
• Overload: 150% rated torque for 60 s
• Control modes: V/f characteristic control; vector control (sensorless speed control) selectable
• Chopper frequency: Adjustable 2, 4, 8, or 16 kHz
• Output frequency range: 0 to 600 Hz max at 16 kHz; 0 to 300 Hz at 8 kHz; 0 to 150 Hz at 2 kHz and 4 kHz (sizes 9321–9333)
• Supply voltage: 3/PE AC 320 to 528 V nominal, 45 to 65 Hz; DC supply 460 to 740 V DC
• Power loss (Ploss): 1470 W
• Operating temperature: 0 to +40 °C rated; +40 to +50 °C with 2.5% per K derating
• Storage temperature: -25 to +55 °C (transport -25 to +70 °C)
• Relative humidity: Average 85% RH, no condensation (climatic class 3K3 per EN 50178)
• Protection rating: IP20 (NEMA 1)
• Dimensions (H×W×D): 591 × 340 × 285 mm
• Weight: 38.0 kg

Communication and Interfaces

• Built-in ports: AIF automation interface (X1) for pluggable fieldbus module; CAN system bus (X4); incremental encoder input (X8)
• Protocols: CAN system bus; fieldbus modules via AIF (LECOM-A/B RS232/485, PROFIBUS DP, CANopen, DeviceNet, INTERBUS, LON)
• Communication expansion: Pluggable fieldbus module on X1 AIF interface (none integrated as standard)

Installation Guide

• Mount the drive vertically on a flat surface. Keep the heatsink clear for airflow.
• Connect 3/PE AC supply per local codes. Use shielded motor cables.
• Wire the X11 KSR relay for safe standstill. Follow the official system manual.
• Plug any fieldbus module into X1 AIF before power-on.
• Set chopper frequency to match cable length and motor needs.
• Verify derating above +40 °C ambient. Use 2.5% per K.

Commissioning and Maintenance Convenience

• Select V/f or vector mode during startup. Vector mode gives better torque control.
• Use the AIF interface for fast fieldbus swaps. No rewiring needed.
• Monitor overload status. The 150% for 60 s rating supports heavy starts.
• Check fan and heatsink every 6 months. Clean dust from vents.
• Store spare fieldbus modules for quick replacement.

Compatibility Notes

• Works with 4-pole asynchronous motors at 3 AC 400 V.
• Compatible with Lenze AIF fieldbus modules: LECOM-A/B, PROFIBUS DP, CANopen, DeviceNet, INTERBUS, LON.
• Supports incremental encoders via X8 input.
• No drop-in same-order-code replacement for newer generations. Official migration path to i950 exists via i950 PROFIBUS module and L_ICIP library.
• Legacy status: superseded by newer drive generations. Last verified 2026-10.

Certifications and Audit Status

• Audit status: OFFICIAL_VERIFIED
• Climatic class 3K3 per EN 50178
• Protection IP20 (NEMA 1)
• Safety relay X11 KSR for safe standstill per official system manual

Package Contents and Warranty

• 1 × EVF9331-EVV004 frequency inverter
• 1 × quick start guide (official Lenze documentation)
• Warranty: 12 months
• Dispatch: 12–24 hours
• Courier: FedEx, UPS, DHL

Expert Review

This 9300 vector drive offers a proven mix of power and safety. The 55 kW rating and 150% overload handle tough loads. The KSR relay adds safe standstill without extra hardware. Vector control is sensorless, so setup stays simple. The AIF slot gives strong fieldbus flexibility. One weak point: no integrated fieldbus as standard. Buyers must order the module separately. Also, this is a legacy model. New designs should plan the i950 migration path. For existing 9300 systems, this unit is a direct fit.

Manager’s Insight

Stock this drive for customers running older Lenze 9300 systems. The V004 safety variant is harder to find. The 55 kW size covers many pumps, fans, and conveyors. Mention the i950 migration path to forward-looking buyers. Always confirm the fieldbus module separately. Keep FedEx, UPS, and DHL options ready for fast dispatch. A 12-month warranty builds trust with industrial buyers.

Best Suited Equipment and Applications

• Pumps and fans in process plants
• Conveyors and material handling lines
• Mixers and agitators
• Machine tools needing safe standstill
• Retrofit projects for existing 9300 vector systems
• Packaging and printing machinery

FAQ

Q: Does this drive include a fieldbus module?

A: No. The X1 AIF slot accepts pluggable modules. Order LECOM, PROFIBUS, CANopen, or others separately.

Q: Can I use this drive with a 4-pole motor at 400 V?

A: Yes. The 55 kW rating matches a 4-pole asynchronous motor at 3 AC 400 V.

Q: What does the V004 variant add?

A: It includes an X11 KSR safety relay for safe standstill. This supports machine safety functions.

Q: Is this model still in production?

A: No. Lenze lists it as legacy. A migration path to the i950 exists via PROFIBUS module and L_ICIP library.

Q: How much overload can it handle?

A: 150% rated torque for 60 seconds. This suits heavy starts and short peaks.

Q: What is the maximum output frequency?

A: 600 Hz at 16 kHz chopper frequency. Lower chopper settings reduce the max frequency.

Q: How fast is shipping?

A: Dispatch within 12–24 hours via FedEx, UPS, or DHL.

Q: What is the warranty?

A: 12 months from the date of purchase.

Q: Experiential advice for buyers?

A: Check your existing drive’s order code before ordering. Confirm the fieldbus module is in your cart. For new builds, ask about the i950 migration kit instead.

Q: How do I choose between V/f and vector control?

A: Use vector for higher torque at low speed. Use V/f for simple fan or pump loads. Vector mode needs motor data for best results.

Contact Information

Inquiries: sales@powergearx.com or +86 18030005825 (WhatsApp).

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