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Mfr. Part #: I55AP137F20711K06S
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The Lenze i550 Protec I55AP137F20711K06S is a compact, decentralized 0.37 kW (0.5 HP) frequency inverter designed for harsh industrial environments. Featuring an IP66/NEMA 4X-rated enclosure, it supports direct wall mounting close to the motor for space-saving installation. Equipped with IO-Link v1.1 for advanced communication and optional Safe Torque Off (STO) for safety compliance, it offers versatile motor control including sensorless vector, V/f, and servo modes. Ideal for conveyors, hoists, pumps, and packaging machines, this inverter delivers reliable, energy-efficient performance with flexible commissioning via USB, keypad, or WLAN.
Key Features:
- Decentralized 0.37 kW (0.5 HP) frequency inverter with IP66/NEMA 4X protection
- First decentralized drive with IO-Link V1.1 interface for seamless communication and advanced control
- Integrated micro-USB diagnostic interface for service purposes
- Versions with or without repair switch, with keypad or WLAN (WiFi) module for easy commissioning
- Optionally available with "Safe Torque Off (STO)" with SIL 3 (EN IEC 62061/EN IEC 61508) and Performance Level e (EN ISO 13849-1)
- Sensorless vector control for synchronous motors
- Intuitive user interface for fast setup and easy navigation by parameter structure
- EPM module for simple series commissioning and device replacement
- Energy-saving function (VFC eco)
- Servo control (SC-ASM) with feedback
- DC-injection braking
- Dynamic braking through brake resistor
- S-ramps for smooth acceleration and deceleration
- Flying restart circuit
- PID controller
- DC connection for flexible power management
- Networks: CANopen, Modbus RTU, Modbus TCP, IO-Link, EtherCAT, EtherNet/IP, PROFINET
Common Applications:
- Conveyor drives
- Traveling drives
- Winding drives
- Hoist drives
- Extruders
- Packaging machines
- Pumps
- Fans
| Lenze i550 Protec Specifications | |
|---|---|
| Model Number | I55AP137F20711K06S |
| Power Rating | 0.37 kW (0.5 HP) |
| Product Type | Decentralized Frequency Inverter |
| Protection Class | IP66 / NEMA 4X |
| Communication Interface | IO-Link v1.1, CANopen, Modbus RTU/TCP, EtherCAT, EtherNet/IP, PROFINET |
| Safety Feature | Optional Safe Torque Off (STO), SIL 3 / PL e |
| Diagnostic Port | Integrated Micro-USB |
| Control Modes | Sensorless Vector Control, V/f, Energy-saving VFC eco, Servo Control (SC-ASM) |
| Additional Features | PID Control, DC Injection Braking, Dynamic Braking, Flying Restart, S-Ramps |
| Commissioning Options | Optional Keypad or WLAN Module |
| Mounting | Wall-mounted, Decentralized |




ID #: 197749