Technical Overview

Compact 15kW, 380-480V, 3-phase frequency converter drive with integrated Safe Torque Off and USS/MODBUS RTU.

Key Features

Compact design for space-saving installations.
Integrated Safe Torque Off (STO) for machine and personnel safety.
USS/MODBUS RTU communication for flexible integration into control systems.
Wide input voltage range of 380-480V AC, 3-phase, for global applicability.
Flexible overload capabilities: 150% for 3s (LO) and 200% for 3s (HO).
Comprehensive I/O: 6 digital inputs, 2 digital outputs, 1 analog input, 1 analog output, 1 motor temperature sensor input.
High efficiency of 0.97 for energy savings.
IP20 / UL open type protection for industrial environments.

Technical Specification Matrix

Parameter	Value
Input Line Voltage	3AC 380-480V (+10% / -20%)
Input Line Frequency	47-63 Hz
Rated Power (Low Overload)	15.00 kW / 20 hp
Rated Power (High Overload)	11.00 kW / 15 hp
Input Rated Current (Low Overload)	40.60 A
Input Rated Current (High Overload)	36.40 A
Output Rated Voltage	3AC 400V (IEC) / 480V (NEC)
Output Rated Current (Low Overload)	31.00 A
Output Rated Current (High Overload)	25.00 A
Max. Output Current	50.00 A
Pulse Frequency	4 kHz
Output Frequency (Vector Control)	0-240 Hz
Output Frequency (V/f Control)	0-550 Hz
Protection Rating	IP20 / UL OPEN TYPE
Power Factor (λ)	0.70-0.85
Offset Factor (cos φ)	0.95
Efficiency (η)	0.97
Sound Level (1m)	66 dB
Power Loss	361.0 W
Integrated Filter	Unfiltered
Communication Interface	USS/MODBUS RTU
Digital Inputs	6
Digital Outputs	2
Analog Inputs	1
Analog Outputs	1
Fail-safe Digital Inputs	1 (Safe Torque Off)
Motor Temperature Sensor Input	1 (PTC/KTY)
Physical Weight (kg)	5.2
Dimensions L x W x H (cm)	27 x 36.5 x 16

Industrial Applications

1. Conveyor Belt Systems

This drive is ideal for controlling conveyor belt motors in manufacturing and logistics. Its 15kW power rating and variable frequency output (0-550Hz) allow for precise speed control and smooth acceleration/deceleration, reducing mechanical wear and optimizing material flow.

Problem Solved

Provides accurate speed control and gentle handling of materials, minimizing product damage and increasing throughput efficiency in dynamic conveyor applications.

Variable Frequency Drive15kW Power0-550Hz Output FrequencySmooth AccelerationMotor Control

2. Pump and Fan Control

The SINAMICS G120C can effectively manage the speed of pumps and fans in HVAC systems, water treatment plants, or industrial cooling. The 380-480V input voltage and 15kW power capacity, coupled with its high efficiency (0.97), enable energy savings by matching motor speed to demand, reducing energy consumption and operational costs.

Problem Solved

Optimizes energy consumption and system performance by allowing demand-driven speed regulation of pumps and fans, rather than constant full-speed operation.

Energy EfficiencyHVACPump ControlFan ControlVariable Speed Drive380-480V

3. Machine Tool Spindle Control

For basic machine tool applications requiring controlled spindle rotation, this drive offers precise speed and torque management. The Safe Torque Off (STO) function ensures immediate and safe shutdown of the spindle in emergency situations, crucial for operator safety in machining operations. The 0-240Hz vector control output frequency supports a range of machining speeds.

Problem Solved

Ensures precise and safe control of machine tool spindles, enhancing operational safety with integrated STO and providing accurate speed for various machining tasks.

Spindle ControlSafe Torque Off (STO)Machine SafetyVector ControlTorque ControlIndustrial Automation

Siemens SINAMICS G120C 15kW Frequency Converter Drive

Siemens SINAMICS G120C 15kW Frequency Converter Drive

Technical Overview

Key Features

Technical Specification Matrix

Industrial Applications

1. Conveyor Belt Systems

2. Pump and Fan Control

3. Machine Tool Spindle Control