Name: Siemens SINAMICS G120C 0.55kW Compact Frequency Converter - INOSAKI
SKU: Siemens-6SL3210-1KE11-8UP2
Price: 408.66 USD
Availability: InStock

Technical Overview

Compact 0.55kW 3-phase VFD with 380-480V input, IP20 protection, integrated STO, and PROFIBUS-DP for precise motor control.

Key Features

Compact SINAMICS G120C design for space-saving installations.
3-phase AC input voltage range of 380-480 V (+10% -20%) at 47-63 Hz.
Rated output power of 0.55 kW / 0.75 hp (Low Overload) or 0.37 kW / 0.50 hp (High Overload).
Integrated unfiltered operation.
I/O interface includes 6 standard digital inputs, 2 digital outputs (1 relay, 1 transistor), 1 analog/digital input, and 1 non-isolated analog output.
Integrated Safe Torque Off (STO) function for operational safety.
PROFIBUS-DP fieldbus communication for seamless integration into automation systems.
IP20 / UL Open Type protection for industrial environments.
High efficiency of 97%.
Side-by-side mounting capability.

Technical Specification Matrix

Parameter	Value
Input Voltage	3 AC, 380-480 V (+10% -20%)
Input Frequency	47-63 Hz
Rated Current (LO)	2.30 A
Rated Current (HO)	1.90 A
Output Voltage	3 AC, 400V IEC / 480V NEC
Rated Power (LO)	0.55 kW / 0.75 hp
Rated Power (HO)	0.37 kW / 0.50 hp
Output Current (LO)	1.70 A
Output Current (HO)	1.30 A
Max. Output Current	2.60 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0-240 Hz
Output Frequency (V/f Control)	0-550 Hz
Overload Capability (LO)	150% base load current IL for 3 s, followed by 110% IL for 57 s in a 300 s cycle time.
Overload Capability (HO)	200% base load current IH for 3 s, followed by 150% IH for 57 s in a 300 s cycle time.
Power Factor λ	0.70 ... 0.85
Offset Factor cos φ	0.95
Efficiency η	0.97
Sound Pressure Level (1m)	49 dB
Power Loss	33.5 W
Filter Class	Unfiltered (integrated)
Communication Interface	PROFIBUS DP
Digital Inputs (Standard)	6
Digital Inputs (Fail-safe)	1
Digital Outputs (Relay)	1 (changeover contact, DC 30V, 0.5A)
Digital Outputs (Transistor)	1 (DC 30V, 0.5A)
Analog/Digital Inputs	1 (Differential input, 10 bit resolution)
Analog Outputs	1 (Non-isolated)
Motor Temperature Sensor Input	1 (PTC, KTY compatible)
IP Rating	IP20 / UL Open Type
Physical Weight (kg)	1.1
Dimensions L x W x H (cm)	22.5 x 27 x 8.5

Industrial Applications

1. Industrial Pumps in Water Treatment Facilities

The Siemens SINAMICS G120C 0.55kW compact frequency converter is ideally suited for controlling industrial pumps in water and wastewater treatment plants. Its precise variable speed control allows for optimal flow rate management and significant energy savings.

Problem Solved

Provides efficient and demand-driven pump operation by precisely adjusting motor speed (0-550 Hz output frequency), reducing energy consumption and mechanical wear. The IP20 rating ensures suitability for installation within control cabinets in these environments.

VFDpump controlwater treatmentwastewaterenergy efficiencyflow rate3-phase0.55 kWIP20

2. HVAC Systems in Commercial Buildings

This frequency converter is excellent for managing fan and blower motors in Heating, Ventilation, and Air Conditioning (HVAC) systems in commercial and public buildings, ensuring optimal indoor climate control.

Problem Solved

Enables demand-controlled ventilation by adjusting fan speeds based on real-time needs, leading to substantial energy savings and improved air quality. The integrated PROFIBUS-DP allows for seamless communication and integration with Building Management Systems (BMS).

HVACfan controlbuilding automationenergy savingPROFIBUS-DP3-phase0.55 kWIP20

3. Conveyor Systems for Material Handling

The 6SL3210-1KE11-8UP2 is suitable for powering and controlling conveyor belts in various manufacturing, packaging, and logistics applications requiring precise material movement.

Problem Solved

Offers smooth acceleration and deceleration of conveyor motors, preventing product damage and reducing mechanical stress on the system. The integrated Safe Torque Off (STO) feature enhances operator safety during maintenance or emergency stops by reliably preventing unintended motor restarts.

conveyormaterial handlingspeed controltorque controlSafe Torque Off (STO)3-phase0.55 kWIP20