The ACS880-04-505A-3+P944 is a 3-phase AC single-drive module of ABB ACS880 series, designed for cabinet assembly with IP20 enclosure and frame size R10. The +P944 option adds an additional brake chopper for enhanced braking performance in industrial motor control applications. Below is its detailed technical parameter sheet:
1. Core Electrical Parameters
| Parameter | Specification |
|---|---|
| Rated Input Voltage (3-phase) | 380-415 V AC (400 V nominal); Allowable voltage range: 380-500 V AC |
| Rated Input Frequency | 50/60 Hz (48-63 Hz allowable) |
| Rated Output Current (In, 40 °C ambient) | 505 A (continuous operation, 3-phase) |
| Output Current (Light Overload, ILd) | 485 A (10% overload for 1 min per 5 min cycle) |
| Output Current (Heavy Duty, IHD) | 361 A (50% overload for 1 min per 5 min cycle) |
| Max Output Current (Imax) | 560 A (10 s, starting condition) |
| Rated Output Power (Pn, 400 V, cosφ=0.95) | 250 kW |
| Output Power (Light Overload, PLD) | 250 kW |
| Output Power (Heavy Duty, PHD) | 200 kW |
| Max Output Power | 275 kW (110% of rated power, 1 min per 10 min cycle) |
| Rated Output Voltage | 3-phase, 0 to max 480 V AC; Voltage regulation via PWM (Pulse Width Modulation) |
| Overcurrent Capacity | 150% of rated current for 2 s; 110% of rated current for 60 s |
| Apparent Power Output | 350 kV·A (400 V AC, 505 A) |
| Power Factor (Output) | 0.95 (at rated load) |
| Power Loss (Rated Load) | 4521 W |
| Brake Chopper (P944 Option) | Rated braking power 200 kW; Max braking current 361 A |
2. Mechanical & Thermal Parameters
| Parameter | Specification |
|---|---|
| Cooling Method | Forced air cooling (standard) |
| Ambient Temperature | Operating: -10 °C to 40 °C (derate 1% / °C above 40 °C up to 50 °C); Storage: -40 °C to 70 °C |
| Enclosure Protection | IP20 (UL Type Open, for cabinet installation) |
| Frame Size | R10 |
| Dimensions (H×W×D) | 1541 mm × 350 mm × 505 mm (60.7 in × 13.8 in × 19.9 in) |
| Net Weight | 161 kg (354.9 lbs) |
| Noise Level | ≤ 72 dB(A) (1 m distance, rated load) |
| Altitude | Max 4000 m (derate 1% rated current per 100 m above 1000 m) |
| Operating Humidity | 5% – 95% (non-condensing) |
3. Control & I/O Parameters
| Parameter | Specification |
|---|---|
| Control Modes | DTC (Direct Torque Control), V/f control, sensorless vector control, vector control with encoder feedback |
| Digital Inputs | 6 × 24 V DC (configurable) |
| Digital Outputs | 2 × relay outputs (250 V AC / 30 V DC, 5 A) |
| Analog Inputs | 2 × (0-20 mA / 4-20 mA / 0-10 V) (configurable) |
| Analog Outputs | 2 × (0-20 mA / 4-20 mA) (configurable) |
| Communication Interfaces | Standard: Modbus RTU, PROFIBUS DP; Optional: PROFINET IO, EtherNet/IP, DeviceNet |
| Standby Loss | 392 W |
| Built-in Features | Inline EMC filter, STO (Safe Torque Off, SIL 3, PL e) as standard; +P944 adds brake chopper |
4. Efficiency & Loss Data
| Parameter | Specification |
|---|---|
| Efficiency Level | IE2 |
| Absolute Loss (25% load, 0 Hz) | 1802 W; Efficiency: 91.2% |
| Absolute Loss (50% load, 0 Hz) | 2543 W; Efficiency: 93.5% |
| Absolute Loss (100% load, 0 Hz) | 4521 W; Efficiency: 94.2% |
| Absolute Loss (100% load, 50 Hz) | 5260 W; Efficiency: 96.7% |
5. Protection & Compliance
| Parameter | Specification |
|---|---|
| Protection Functions | Overvoltage, undervoltage, overcurrent, overload, overheating, short-circuit, earth fault, motor phase-loss protection; STO (SIL 3, PL e) as standard; Brake chopper overvoltage/overcurrent protection (P944 option) |
| Compliance Standards | IEC 61800-5-1, IEC 61800-3, CE, UL, CSA |






