Siemens 6SL3255-0VA00-5AA0

Siemens 6SL3255-0VA00-5AA0 

Overview

The Siemens 6SL3255-0VA00-5AA0 is the CU230P-3 HVAC control unit for SINAMICS G120X inverters, specifically developed for HVAC applications. It features dedicated control functions for ventilation, air conditioning, and pumping systems with seamless integration into automation networks.

Key Features

• Control Unit for SINAMICS G120X drives

• Optimized for HVAC applications

• Integrated PID controller and HVAC-specific functions

• Safe Torque Off (STO) safety function (SIL2 / PL d)

• Multiple I/O ports for flexible connectivity

• Support for BACnet MS/TP and Modbus RTU

• Commissioning via SINAMICS Startdrive in TIA Portal

• Compact and easy to install on G120X Power Modules

Technical Specifications

• Siemens Code: 6SL3255-0VA00-5AA0

• Series: SINAMICS G120X

• Control Unit Type: CU230P-3 HVAC

• Application Area: Heating, Ventilation, Air Conditioning

• Safety Function: STO (SIL2 / PL d)

• Communication: Modbus RTU, BACnet MS/TP

• Digital Inputs: 6 (configurable)

• Analog Inputs: 2 (0–10 V or 4–20 mA)

• Relay Outputs: 2

• Integrated PID Control: Yes

• Temperature Range: –10 °C to +50 °C

• Mounting: Direct mounting on G120X Power Module

Applications

• Air handling units and HVAC systems

• Pump and fan control in building automation

• Energy-efficient climate control

• Ventilation and air extraction systems

• Automation in commercial and public buildings

Why Choose Siemens 6SL3255-0VA00-5AA0?

• Purpose-built for HVAC environments

• Safety integrated with STO function

• Easy integration into BACnet and Modbus networks

• Full compatibility with SINAMICS G120X drives

• Reliable performance and energy optimization

Order Now

Enhance your HVAC system performance with Siemens 6SL3255-0VA00-5AA0 — the control unit built for precision, safety, and smart climate control.

Return to the Siemens Sinamics Drives collection to explore more options including V20, G120, G130, G150, and S120 series for advanced industrial motor control.

You can also browse the Siemens Variable Frequency Drives (VFDs) main category to view the complete Siemens portfolio of Sinamics, Micromaster, and SIMOVERT VFDs.

NEW product in original sealed packaging. The product may be of older version or design. The packaging may have markings, signs of discoloration, and wear. DDPARTSSOLUTION Warranty: 1 Year. Manufacturer's Warranty and Support NEVER apply