Toshiba VF-AS3 Series AC Frequency Inverter 45kW 400V 3 Ph motor to 88A at high overload or 55W to 106A when Fan/Pump rated. Operates in V/F, Sensorless Vector or Full Closed-loop Flux Vector (with optional encoder feedback card). Converts fixed frequency three phase 400V input to variable frequency three phase 400V to control the speed of a standard AC induction motor or permanent magnet synchronous motor
Size A5: 908mm High x 265mm Wide x 313mm Deep
IP20: Must be mounted in a suitable enclosure.
Weight: 57.5kg
45kW, 88A with 150% overload for 60 seconds, 180% for 2 seconds (HD); Default setting
55kW, 106A with 120% overload for 60 seconds, 135% for 2 seconds (ND)
Speed Control Range: 0.01-590Hz
Dynamic Braking (DBr): Internal Brake Switch fitted. Min Braking Resistance: 2.5 Ohms
Multi-line LCD Keypad with parameter copy and real time clock function. Can be panel mounted with optional lead
3 Analogue Inputs, 8 Digital Inputs, 2 Analogue Outputs, 1 Digital Output and 3 Relay Outputs (1 Change-over)
Communication: Dual port EtherNet and RS-485 Modbus fitted as standard (RJ45)
'Safe Torque Off' (STO) included to SIL 3, PLe (See details in Safety Function Manual)
Input Voltage: 380-480V Three Phase + 10% - 15% at 50/60Hz ± 5%
Fitted with EMC Filters to IEC61800-3 Category C2 (up to 0m) or Category C3 (to 150m)
Internal DC Link Choke included
Cubicle mount. Inside the cubicle Pollution Degree 2 must not be exceeded
Rated at 40°C Ambient. Maximum ambient of 60°C with suitable de-rating
Ventilation space above: 100mm
Ventilation space below: 100mm
Ventilation space at sides: 110mm (0mm when top cover removed)
Heat Loss at max output: 827W (HD), 1094W (ND). Standby Losses: 22W
Manufacturers Part Number: VFAS3-4450PC, Previous Generation VFAS1