Lenze i550 Series Project Planning Manual

Basic Safety - STO
DANGER!
With the "Safe torque o" (STO) funcon, no "emergency switching‑o" in terms with
EN 60204−1 can be executed without addional measures. There is no isolaon between the
motor and inverter, no service switch or maintenance switch!
Possible consequence: death or severe injuries
▶
"Emergency switching‑o" requires electrical isolaon, e.g. by a central mains contactor.
Informaon on electrical installaon
Funconal safety
Basic Safety - STO
70

Lenze i550 Series Specifications

General

Protection Class	IP20
Ambient Temperature	-10°C to +50°C
Overload Capacity	150% for 60 seconds
Control Type	Vector control
Communication Interfaces	CANopen, Modbus, Ethernet, PROFIBUS, PROFINET
Safety	STO (Safe Torque Off)
Frequency Range	0 Hz
Cooling Method	Air cooling
Storage Temperature Range	-25°C to +70°C
Input Voltage Range	3-phase 380...480 V AC -15%/+10%