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AC Tech

Variable Speed/Frequency Drive (VSD/VFD) / Inverter

i550 series

Drives

(input) 45-65 Hz
(output) 0-599 Hz

Variable Speed/Frequency Drive (VSD/VFD) / Compact inverter
DC-injection braking
Brake management for brake control
S-ramps for smooth acceleration and deceleration
Flying restart circuit
PID controller

built-in RFI filter
safe torque off (STO) safety
standard I.O.
conformal coating

400Vac / 480Vac

3-phase (3P / 3AC)

28.2A (light-duty; 400Vac)
25.2A (light-duty; 480Vac)
23.5A (heavy-duty; 400Vac)
21A (heavy-duty; 480Vac)

15kW (light-duty; 400Vac / 480Vac)
11kW (heavy-duty; 400Vac / 480Vac)

20HP (light-duty; 400Vac / 480Vac)
15HP (heavy-duty; 400Vac / 480Vac)

Overvoltage category
Leakage current
Earth fault resistance
Overtemperature of motor

EtherCAT

for control cabinet or surface/wall mounting

1 x digital input (PNP/NPN logic) (DI1)
1 x digital input (PNP/NPN logic) (DI2)
1 x digital input (PNP/NPN logic) (DI3 can be optionally used as frequency or encoder input)
1 x digital input (PNP/NPN logic) (DI4 can be optionally used as frequency or encoder input)
1 x digital input (PNP/NPN logic) (DI5)

1 x digital output (max. 100mA) (DO1)

2 x analog inputs (-10...+10Vdc; 0-20mA or 4-20mA) (AI1 and AI2; can be optionally used as voltage input or current input)

1 x analog output (0-10Vdc; 0-20mA or 4-20mA) (AO1 can be optionally used as voltage output or current output)

IP20

(at a switching frequency of 2kHz or 4kHz) max. ambient temperature 45 °C
(at a switching frequency of 8kHz or 16kHz) max. ambient temperature 40 °C

Conveyor drives
Traveling drives
Winding drives
Hoist drives
Extruders
Packaging machines
Pumps
Fans

I55AE311F1AV1100KS

Commercialized

CE conformities 2009/125/EC; 2011/65/EU; 2014/30/EU; 2014/35/EU
EAC conformities TP TC 020/2011; TR TC 004/2011
RoHS conformity 2011/65/EU
UL 61800-5-1 approval File No. E132659 (CSA 22.2 No.274)
EN 61800-5-1
UKCA conformities S.I. 2008/1597; S.I. 2012/3032; S.I. 2016/1091; S.I. 2021/745

The i550 cabinet frequency inverter is a compact control cabinet device with scalable functionality
The support of all common fieldbuses makes it universally applicable
It is versatile; reliable and easy to use
The requirements of the Ecodesign Directive are met
The modular design allows different product configurations
Optionally available with "Safe Torque Off (STO)" with SIL 3 (EN IEC 62061/EN IEC 61508) and Performance Level e (EN ISO 13849-1)
For the greatest possible flexibility available as a complete device or in individual parts (Power Unit; Control Unit and Safety Unit)