SGM-A5A3G46
Description
1. Model Code Definition
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
| Item | Parameter |
|---|---|
| Rated Output Power | 50 W |
| Rated Voltage | AC200V (1/3 phase input) |
| Rated Continuous Torque | 0.159 N·m |
| Instantaneous Peak Torque | 0.557 N·m (≈350% rated torque) |
| Rated Speed | 3000 rpm |
| Max Permissible Speed | 6000 rpm |
| Rated Current | 0.61 Arms |
| Peak Current | 2.1 Arms |
| Encoder | 20-bit Serial Absolute Encoder |
| Insulation Class | Class B |
| Withstand Voltage | AC1500V, 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
Medium inertia rotor design, stable low-speed running, small cogging torque
High-precision 20-bit absolute encoder, no zero return required after power off
Brake-free plain shaft design, compact body size, easy coupling installation
Wide overload capacity (3.5× rated torque), excellent dynamic acceleration/deceleration performance
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