Toshiba VF-AS3 Series AC Frequency Inverter 4kW 400V 3 Ph motor to 9.3A at high overload or 5.5W to 12.7A 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 A1: 326mm High x 130mm Wide x 202mm Deep
IP20: Must be mounted in a suitable enclosure.
Weight: 4.7kg
4kW, 9.3A with 150% overload for 60 seconds, 180% for 2 seconds (HD); Default setting
5.5kW, 12.7A 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: 32 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 50m) 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: 136W (HD), 192W (ND). Standby Losses: 14W
Manufacturers Part Number: VFAS3-4037PC, Previous Generation VFAS1