Frequency inverter feature comparison

All Sourcetronic inverters in comparison

Not sure which frequency inverter is the right one? Here you will find a detailed comparison of the functions and features of all Sourcetronic frequency inverters.

Features	ST150	ST300	ST500	ST600	ST600SP
Power (kW) – 230 V	0.75 – 2.2 kW	0.75 – 2.2 kW	0.75 – 7.5 kW
Power (kW) – 400 V	0.75 – 2.2 kW	0.75 – 7.5 kW	0.75 – 710 kW	1.5 – 500 kW	4 – 90 kW
Power (kW) – 500 V			0.75 – 132 kW
Power (kW) – 690 V			15 – 132 kW
Control mode	V/f control Vector control (sensorless)	V/f control Vector control (sensorless)	V/f control Vector control (sensorless)	V/f control Vector control (sensorless) Vector control (with encoder)	V/f control Vector control (sensorless) Vector control (with encoder)
Number of analog inputs	1	2	3	2	2
Number of analog outputs	1	1	2	1	1
Number of digital inputs	5 (NPN)	5 (NPN)	8	6	6
Number of digital outputs	0	1 (NPN)	2 (NPN)	2 (NPN)	2 (NPN)
Number of relay outputs	1 (NO contact only)	1 (NO contact only)	2 (1 changeover, 1 NO)	2 (1 changeover, 1 NO)	2 (1 changeover, 1 NO)
Safety function	No	STO (SIL3, PLe)	No	STO (SIL2)	STO (SIL2)
Control panel	Non-removable	Non-removable	Removable	Removable	Non-removable
Motor types	Asynchronous	AsynchronousSynchronous	Asynchronous	AsynchronousSynchronous	AsynchronousSynchronous
Communication	RS485 (Modbus RTU)	RS485 (Modbus RTU)	RS485 (Modbus RTU)	RS485 (Modbus RTU)Profibus DPCANopenPROFINETEthernet/IPModbus TCP	RS485 (Modbus RTU)Profibus DPCANopenPROFINETEthernet/IPModbus TCP
Protection class	IP 20	IP 20	IP 20	IP 20	IP 55
Built-in EMC filter	C3 filter	C3 filter	C3 filter: Standard integrated from 5.5 kW, switchable from 15 kW (default: Off)	C3 filter	C3 filter
Motor temperature monitoring	No	No	PTCPT100PT1000	PTCPT100 (with expansion)PT1000 (with expansion)	PTCPT100 (with expansion)PT1000 (with expansion)
Side-by-side mounting with small clearance	Side-by-side	Side-by-side	Side-by-side (size-dependent)	No	No
DIN-rail mounting possible	Yes	With DIN-rail adapter	For 230 V units up to and including 2.2 kW For 400 V units up to and including 4 kW	No	No
Braking unit integrated	Yes	Yes	Up to and including 22 kW	Up to and including 37 kW	Yes
Special features	Top-side supply			Expansion options (communication, I/O, encoder cards)	Expansion options (communication, I/O, encoder cards)
Special features		Shield clamp plates			Main switch integrated
Display	Single-line 7-segment display	Single-line 7-segment display	Two-line 7-segment display	Multilingual LCD display	Multilingual LCD display
Control terminal connection	Screw terminals	Push-in terminals	Screw terminals	Screw terminals	Screw terminals

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