This is a detailed English parameter sheet for the Allen‑Bradley PowerFlex 700 AC drive model 20BB052A0AYNBNC0, covering core electrical ratings, performance, interfaces, and physical‑environmental specs for industrial automation applications.
Model Breakdown
| Code | Description |
|---|---|
| 20BB | PowerFlex 700, 240 VAC input class, IP20/NEMA 1 |
| 052 | 52 A rated output current |
| A | Frame 3, vector control (24 VDC I/O) |
| 0 | No communication module |
| AYNBNC0 | No HIM (blank plate), conformal coating, EMC filter, brake IGBT installed, no internal brake resistor |
Core Electrical Ratings
| Parameter | Value | Notes |
|---|---|---|
| Rated Output Current (Iₒ) | 52 A (continuous); 57.2 A (10% overload, 1 min); 78 A (50% overload, 1 min) | At 40°C, 1000m altitude |
| Input Voltage (Uᵢₙ) | 3‑phase, 208–240 VAC | Frequency 50/60 Hz (±5% tolerance) |
| Output Voltage (Uₒ) | 0–240 VAC (3‑phase, adjustable) | Proportional to input voltage |
| Power Rating | 20 HP (15 kW) normal duty; 15 HP (11 kW) heavy duty | At 240 VAC, 50/60 Hz |
| DC Bus Voltage | 300–340 VDC (nominal 332 VDC) | Rectified from 240 VAC input |
| Power Factor (PF) | >0.95 at full load | 50/60 Hz, linear load |
Power & Control Interfaces
| Category | Specifications |
|---|---|
| Power Input | 3‑phase, 208–240 VAC, 50/60 Hz; 50 A max input current |
| Output Frequency | 0.01–300 Hz (adjustable, 0.01 Hz resolution) |
| Control Voltage | 24 VDC (±10%), 1 A max |
| Digital Inputs | 6 x NPN (24 VDC, 0.5 A max); 1 x relay input |
| Digital Outputs | 3 x NPN (24 VDC, 0.5 A max); 1 x relay (SPDT, 2 A/250 VAC) |
| Analog Inputs | 2 x 0/4–20 mA or 0–10 VDC (12‑bit, isolated) |
| Analog Outputs | 1 x 0/4–20 mA (12‑bit, isolated) |
| Safety | Safe Torque Off (STO, SIL 3/PL e) compliant |
Physical & Environmental
| Parameter | Value |
|---|---|
| Frame Size | 3 |
| Enclosure | IP20/NEMA 1 (open chassis, indoor use) |
| Dimensions (W×D×H) | 7.87 × 8.74 × 20.37 in (200 × 222 × 517 mm) |
| Weight | 44.9 lb (20.4 kg) |
| Ambient Temp | 0–40°C (derate 1%/°C above 40°C, max 50°C) |
| Altitude | ≤1000 m (derate 1%/100m above 1000 m) |
| Cooling | Convection + forced air (2 m³/min airflow) |
Protection & Compliance
| Feature | Details |
|---|---|
| Overcurrent | Instantaneous (2×Iₒ), short‑circuit (IGBT protection) |
| Overvoltage | DC bus clamp (370 VDC threshold) |
| Overtemperature | IGBT/heat sink thermal shutdown (85°C) |
| Isolation | Input–output: 1.5 kVAC; Control–power: 500 VAC |
| Standards | CE, UL 508C, cUL, C‑Tick, GOST, Lloyd’s Register |
Performance & Control
| Function | Value |
|---|---|
| Control Mode | V/Hz, sensorless vector; speed/torque control |
| Speed Range | 1:200 (sensorless vector); 1:100 (V/Hz) |
| Speed Regulation | ±0.1% (sensorless vector); ±0.5% (V/Hz) |
| Torque Response Time | <15 ms |
| Switching Frequency | 2–16 kHz (adjustable, default 4 kHz) |
| EMC Filter (E205 equivalent) | du/dt < 1000 V/μs; reduces motor insulation stress |







