Model Definition
- ACS850: Machinery drive series
- 04: Drive module (Frame A)
- 04A8: Rated output current = 4.8 A
- 2: Supply voltage class = 200–240 V AC (3‑phase)
1. Core Electrical Ratings (3‑phase, 200–240 V AC, 50/60 Hz)
| Parameter | Value | Notes |
|---|---|---|
| Nominal AC Input Voltage | 3‑phase, 200–240 V AC | ±10% continuous |
| Input Frequency | 50/60 Hz | ±5% tolerance |
| Continuous Output Current (I₂N) | 4.0 A | At 40°C ambient |
| Maximum Output Current (Imax) | 4.8 A | 10 s at start; thermal‑limited |
| Overload Capability | 145% I₂N for 60 s (40°C)
150% I₂N for 60 s (<35°C) |
|
| DC Bus Voltage | 270–324 V DC | Nominal for 200–240 V input |
| Output Voltage | 0–240 V AC (3‑phase) | Variable frequency |
| Rated Motor Power | 0.75 kW / 1.0 HP | Standard induction motor |
| Typical Input Current (Iac) | ~4.4 A | At rated load |
| Power Loss | ~150 W | At rated operation |
| Short‑Circuit Rating | 100 kA symmetrical | Max supply capacity |
2. Control & Performance
| Item | Details | |
|---|---|---|
| Control Method | DTC (Direct Torque Control) | Open/closed loop |
| Speed Accuracy | Open loop: ±10% slip
Closed loop: ±0.01% nominal speed |
|
| Switching Frequency | 2–16 kHz | User‑selectable |
| Output Frequency Range | 0–500 Hz | Standard |
| Torque Step Rise Time | <5 ms (nominal torque) | Open/closed loop |
| Control Panel | ACS‑CP‑U (standard) | Mountable on drive or cabinet |
3. Mechanical & Environmental
| Parameter | Value |
|---|---|
| Frame Size | A |
| Protection Class | IP20 (open type) |
| Cooling | Forced air |
| Ambient Temperature | 0–40°C (derate above 40°C) |
| Storage Temperature | –25–+70°C |
| Relative Humidity | 5–95% RH (non‑condensing) |
| Altitude | ≤ 1000 m (derate above) |
| Dimensions (H×W×D) | 150×75×195 mm |
| Weight | ~1.8 kg |
4. Interfaces & Options
- I/O: 4 analog inputs, 2 analog outputs, 8 digital inputs, 3 relay outputs
- Communication: PROFIBUS DP, Modbus RTU, Ethernet (via option modules)
- Options: Brake chopper, encoder feedback, EMC filters
5. Protection & Certifications
- Overcurrent, overvoltage, undervoltage, overtemperature, earth fault
- CE, UL, cULus, EN 61800‑3, EN 61000‑6‑2/‑6‑4
6. Typical Fusing & Wiring
- Input Fuse: 8 A, 250 V (UL class T)
- Motor Cable: 0.25–1.5 mm² (14–22 AWG)
