SGM-A5A3G46
June 02, 2026

SGM-A5A3G46

SGMJV: Sigma-V medium inertia small AC servo motor series A5: Rated power = 50W A: Rated voltage = Three-phase / Single-phase AC200V 3: 20-bit Serial Absolute Encoder (multi-turn absolute type) G: No holding brake, no DC24V brake coil 4: Smooth plain shaft (without flat keyway, blank shaft) 6: Standard separate aviation connector for power & encoder cable

Description

1. Model Code Definition

SGMJV-A5A3G46
  • SGMJV: Sigma-V medium inertia small AC servo motor series

  • A5: Rated power = 50W

  • A: Rated voltage = Three-phase / Single-phase AC200V

  • 3: 20-bit Serial Absolute Encoder (multi-turn absolute type)

  • G: No holding brake, no DC24V brake coil

  • 4: Smooth plain shaft (without flat keyway, blank shaft)

  • 6: Standard separate aviation connector for power & encoder cable

2. Electrical Specifications

表格
ItemParameter
Rated Output Power50 W
Rated VoltageAC200V (1/3 phase input)
Rated Continuous Torque0.159 N·m
Instantaneous Peak Torque0.557 N·m (≈350% rated torque)
Rated Speed3000 rpm
Max Permissible Speed6000 rpm
Rated Current0.61 Arms
Peak Current2.1 Arms
Encoder20-bit Serial Absolute Encoder
Insulation ClassClass B
Withstand VoltageAC1500V, 1 minute
Insulation Resistance≥10MΩ @ DC500V

3. Mechanical Dimensions & Structure

  • Mounting flange: 40mm × 40mm square flange

  • Shaft type: Φ8 plain smooth shaft (no key, no tapping hole; code=4)

  • Protection grade: IP65 (motor housing, except shaft penetration)

  • Cooling method: Totally enclosed natural self-cooling

  • Vibration grade: V15

4. Ambient Operating Conditions

  • Operating ambient temperature: 0℃ ~ +40℃

  • Storage temperature (power off): -20℃ ~ +85℃

  • Working humidity: 20%~80% RH, no condensation

  • Avoid corrosive gas, oil mist, dust; derate power when installed above 1000m altitude

5. Matching Servo Drive & Application

  • Matching driver: SGDV-R70A01A / SGDV-R70A11A (Sigma-V 50W servo amplifier)

  • Typical application: Small dispensing machine, precision indexing mechanism, miniature feed axis, lab automation equipment, small PCB processing equipment

6. Core Features

  1. Medium inertia rotor design, stable low-speed running, small cogging torque

  2. High-precision 20-bit absolute encoder, no zero return required after power off

  3. Brake-free plain shaft design, compact body size, easy coupling installation

  4. Wide overload capacity (3.5× rated torque), excellent dynamic acceleration/deceleration performance


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