Technical Overview

Compact, 0.37kW inverter drive for 380-480V 3AC motor control, featuring 150% overload, integrated braking, and Modbus RTU communication. IP20 protection.

Key Features

Rated power of 0.37 kW.
Input voltage range of 380-480 V, 3-phase AC.
Output frequency from 0 to 550 Hz.
Integrated braking unit.
Unfiltered inputs/outputs with 4 digital inputs, 2 digital outputs, 2 analog inputs, and 1 analog output channel.
Seamless connectivity via USS/MODBUS RTU.
IP20 / UL open type degree of protection.
Compact design for wall or side-by-side mounting.
Energy-efficient design with automatic flux reduction.
Quick commissioning times and ease of operation.

Technical Specification Matrix

Parameter	Value
Rated Power	0.37 kW
Input Voltage	380-480 V AC (3-phase, -15% / +10%)
Line Frequency	47-63 Hz
Output Voltage	400V IEC / 480V NEC (3-phase)
Rated Current (LO/HO/IN)	1.30 A
Output Frequency	0-550 Hz
Overload Capability (LO)	110% rated output current for 60s (cycle time 300s)
Overload Capability (HO)	150% rated output current for 60s (cycle time 300s)
Power Factor λ	0.72
Efficiency η	0.98
Filter Class	Unfiltered (integrated)
Braking Chopper	Integrated
Communication Interfaces	USS, Modbus RTU
Digital Inputs	4
Digital Outputs	1 (relay changeover), 1 (transistor)
Analog Inputs	2 (can be used as additional digital input)
Analog Outputs	1
Cooling	Convection cooling
Installation Altitude	1,000 m (3,280.84 ft)
Operating Ambient Temperature	-10 to 60 °C (14 to 140 °F)
Storage Ambient Temperature	-40 to 70 °C (-40 to 158 °F)
Max. Relative Humidity (Operation)	95%
Max. Motor Cable Length (Shielded)	10 m (32.81 ft)
Max. Motor Cable Length (Unshielded)	50 m (164.04 ft)
Mounting Position	Wall mounting / side-by-side mounting
Degree of Protection	IP20 / UL open type
Frame Size	FSA
Physical Weight (kg)	0.93
Dimensions L x W x H (cm)	22 x 18 x 12

Industrial Applications

1. Small Conveyor Belt Systems

This drive can precisely control the speed of small conveyor belts in manufacturing or packaging lines, optimizing material flow.

Problem Solved

Provides reliable, adjustable speed control for material handling, preventing product damage and optimizing throughput. The 0.37 kW power is suitable for light to medium loads, and the 150% overload capacity handles momentary higher loads during start-up or jams.

Variable speed controlMaterial handlingOverload capacity3-phase AC motorIndustrial automation

2. Fan Speed Control in HVAC Systems

Used to regulate the speed of fans in industrial ventilation or HVAC systems, optimizing airflow and energy consumption.

Problem Solved

Allows for demand-based airflow adjustment, reducing energy waste compared to fixed-speed operation. The 0.37 kW power is adequate for smaller fans, and the 380-480V input aligns with typical industrial power supplies.

HVACVariable frequency driveEnergy efficiencyAirflow optimizationFan control3-phase motor

3. Small Pump Control in Fluid Transfer

Ideal for controlling the speed of small pumps in fluid transfer applications, such as chemical dosing or water circulation.

Problem Solved

Enables precise flow rate control, improving process accuracy and reducing wear on mechanical components. The 0.37 kW power suits small-scale pumping, and its IP20 rating is suitable for installation in control cabinets, protecting it from dust.

Pump controlFluid transferFlow rate regulationProcess optimizationIP203-phase motor

Siemens SINAMICS V20 0.37kW 3AC 380-480V Inverter Drive

Siemens SINAMICS V20 0.37kW 3AC 380-480V Inverter Drive

Technical Overview

Key Features

Technical Specification Matrix

Industrial Applications

1. Small Conveyor Belt Systems

2. Fan Speed Control in HVAC Systems

3. Small Pump Control in Fluid Transfer