3003-403-4-00
May 18, 2026

3003-403-4-00

3003-403-4-00 SEW MOVITRAC Frequency Inverter English Full Specification Brand: SEW-EURODRIVE Model: 3003-403-4-00 Type: Three-phase Input AC Variable Frequency Drive

Description

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3003-403-4-00

SEW MOVITRAC Frequency Inverter English Full Specification

Brand: SEW-EURODRIVE
Model: 3003-403-4-00
Type: Three-phase Input AC Variable Frequency Drive

1. Model Code Definition

3003 : Power grade code (7.5 kW)
403 : 230V low voltage specification
4 : Three-phase AC power input
00 : Standard basic configuration

2. Main Electrical Parameters

  • Rated Power: 7.5 kW

  • Input Voltage: 3-phase AC 200~240 V (Nominal 230 V)

  • Input Frequency: 50 Hz / 60 Hz

  • Rated Output Current: 30.0 A

  • Output Voltage: 0~230 V three-phase AC

  • Output Frequency Range: 0~400 Hz

  • Control Mode: V/F open-loop control

  • Overload Capacity: 150% rated current for 60 seconds

3. Physical & Environmental Parameters

  • Protection Class: IP20

  • Cooling Mode: Forced air cooling with built-in fan

  • Operating Temperature: 0 °C ~ +45 °C

  • Storage Temperature: -25 °C ~ +70 °C

  • Working Humidity: 5%~95%, non-condensing

  • Installation Method: Vertical wall mounting

  • Max Altitude: ≤1000m without power derating

4. Control Interfaces

  • Standard RS485 communication interface

  • Multi-group digital input and relay output terminals

  • 0-10V analog speed regulation input

  • Multi-speed fixed running terminal

  • Motor temperature detection interface

5. Core Functions

  • Freely adjustable acceleration and deceleration time

  • Built-in dynamic braking unit for fast stop

  • Energy-saving operation mode

  • Support panel local control, terminal control and remote communication control

  • Slip compensation function to stabilize running speed

  • Soft start and soft stop to reduce mechanical impact

6. Full Protection Functions

  • Over current protection

  • Over voltage & under voltage protection

  • Input phase loss protection

  • Inverter over temperature protection

  • Motor overload electronic thermal protection

  • Output short circuit protection

  • Earth fault protection

  • Stall prevention protection

7. Installation & Wiring Rules

  1. Cut off total power supply before wiring and maintenance work

  2. Power cables and control signal cables must be laid separately

  3. Connect reliable PE protective grounding strictly

  4. Reserve enough ventilation space around for heat dissipation

  5. Avoid installation in dusty, humid, corrosive and strong vibration environment

  6. Use shielded special motor cables for motor connecting lines

8. Commissioning Steps

  1. Check all wiring to confirm no wrong connection and short circuit

  2. Verify input power voltage consistent with inverter rated voltage

  3. Set motor rated voltage, rated current, upper/lower limit frequency

  4. Select required control mode according to actual site needs

  5. Carry out no-load trial operation first to check running status

  6. Put into formal load operation after confirming normal operation

9. Daily Maintenance

  1. Regularly clean cooling fan and internal accumulated dust

  2. Periodically check looseness of power terminals and control terminals

  3. Real-time monitor operating current and internal temperature

  4. Replace aging or damaged cooling fans in time

  5. Fault inspection and maintenance must be operated by professional electrical staff

10. Application Scope

Medium-large power three-phase asynchronous motor speed regulation
Heavy load logistics conveying equipment
Large industrial fans and water pumps energy-saving speed control
Textile, printing, packaging and other industrial machinery
Main drive system of automation production line

11. Compliance Standards

CE safety certification
Comply with EMC electromagnetic compatibility standards
Meet European low-voltage electrical safety regulations
Conform to RoHS environmental protection requirements


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