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Fireye 25SU3-2100
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Pacific Scientific 33VM52-000-4
Pacific Scientific 33VM52-000-4

Sew 31C075-503-4-00

Product Name: SEW-EURODRIVE 31C075-503-4-00 — MOVIGEAR Inverter (Frequency Inverter)

Product Overview: Compact vector frequency inverter from SEW-EURODRIVE’s MOVIGEAR series. Designed for asynchronous and synchronous motor control.

Category:
Description

Technical Specifications:

Parameter Value
Rated Power 0.75 kW (1 HP)
Input Voltage 3 x 400–480V AC, 50/60 Hz
Output Current 2.7 A (rated)
Control Mode Sensorless vector / V/Hz / Closed-loop vector
Communication RS-485 (Modbus RTU), CANopen
Braking Dynamic braking (internal, 100% torque)
Protection Class IP20 (booksize / DIN rail)
Operating Temp -10°C to +50°C
Altitude Up to 1000m
EMC Filter Integrated (C3 category per EN 61800-3)
Enclosure Booksize design, DIN rail mount (35mm)

Functional Features:

  • Sensorless vector control — full torque at 0 Hz, no encoder needed
  • Built-in EMC filter (Category C3) — no external filter required
  • Safe Torque Off (STO) — SIL2/SIL3 per IEC 61800-5-2
  • Brake chopper — internal, handles regenerative energy
  • Multi-functional I/O — 6 digital inputs, 2 analog inputs, 2 relay outputs
  • Parameterization — via keypad, PC software (MOVITOOLS), or USB

Performance Parameters:

Metric Value
Speed Range 0–599 Hz
Torque Accuracy ±2% (sensorless vector)
Accel/Decel 0.01–650 sec
Carrier Frequency 2–16 kHz (adjustable)
Overload 150% / 60s, 200% / 3s

Structural Features:

  • Booksize form factor (120mm x 85mm x 140mm approx.)
  • DIN rail 35mm mounting
  • Removable terminal cover
  • Status LED on front

Applicable Industries: Conveyors, mixers, fans, pumps, machine tools, packaging, logistics.

Installation Requirements:

  • Mount on DIN rail with 50mm clearance top/bottom
  • Use shielded motor cable (max 50m without output reactor)
  • Ground PE connection mandatory
  • Input circuit breaker per IEC 60947-4-1

Usage Notes:

  • “503” indicates 400–480V 3-phase input variant
  • “4-00” = standard firmware version
  • STO function requires external 24VDC supply to enable safety circuit
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