Schneider ATV21HD18N4 Motor Drives — now discontinued, supplied from remaining surplus and broker stock.
| Parameter | Value |
|---|---|
| Connector type | 1 RJ45 |
| Range of product | Altivar 21 |
| Type of polarization | No impedance |
| Product or component type | Variable speed drive |
| Output voltage | = 1 mOhm 500 V DC for 1 minute |
| Power supply voltage | 380...480 V - 15...10 % |
| Power supply voltage limits | 323...528 V |
| Line current | 27.8 A 480 V 34.8 A 380 V |
| Maximum transient current | 40.7 A 60 s |
| Maximum continuous output current | 37 A 380 V 37 A 460 V |
| Apparent power | 28.2 kVA 380 V |
| Motor power | 18.5 kW |
| Parameter | Value |
|---|---|
| Power supply frequency | 50...60 Hz - 5...5 % |
| Maximum horse power rating | 25 hp |
| Power supply frequency limits | 47.5...63 Hz |
| Switching frequency | 6...16 kHz adjustable 8...16 kHz with derating factor |
| Frequency resolution | Analog input 0.024/50 Hz Display unit 0.1 Hz |
| Nominal switching frequency | 8 kHz |
| Speed drive output frequency | 0.5...200 Hz |
| Phases | 3 phase |
| IP degree of protection | IP20 on upper part without blanking plate on cover EN/IEC 60529 IP20 on upper part without blanking plate on cover EN/IEC 61800-5-1 IP21 EN/IEC 60529 IP21 EN/IEC 61800-5-1 IP41 on upper part EN/IEC 60529 IP41 on upper part EN/IEC 61800-5-1 |
| Physical interface | 2-wire RS 485 |
| Communication service | Read device identification (43) Time out setting from 0.1 to 100 s Monitoring inhibitable Write multiple registers (16) 2 words maximum Read holding registers (03) 2 words maximum Write single register (06) |
| Communication port protocol | Modbus |
| EMC filter | Class A EMC filter integrated |
| Pollution degree | 2 IEC 61800-5-1 |
| Shock resistance | 15 gn 11 ms IEC 60068-2-27 |
| Relative humidity | 5...95 % without condensation IEC 60068-2-3 5...95 % without dripping water IEC 60068-2-3 |
| Operating altitude | 3280.84...9842.52 ft (1000...3000 m) limited to 2000 m for the Corner Grounded distribution network |
| Vibration resistance | 1 gn (f= 13...200 Hz) conforming to EN/IEC 60068-2-8 1.5 mm (f= 3...13 Hz) conforming to EN/IEC 60068-2-6 |
| Depth | 7.5 in (190 mm) |
| Width | 9.6 in (245 mm) |
| Height | 13.0 in (329.5 mm) |
| Standards | IEC 61800-3 environments 1 category C3 IEC 61800-3 IEC 61800-3 environments 1 category C1 UL Type 1 IEC 61800-3 environments 1 category C2 EN 61800-3 category C3 IEC 61800-3 environments 2 category C3 EN 61800-3 environments 1 category C2 EN 55011 class A group 1 EN 61800-3 environments 2 category C1 EN 61800-3 EN 61800-5-1 IEC 61800-3 category C2 IEC 61800-3 environments 2 category C2 IEC 61800-3 category C3 EN 61800-3 category C2 IEC 61800-5-1 IEC 61800-3 environments 2 category C1 EN 61800-3 environments 1 category C1 EN 61800-3 environments 1 category C3 EN 61800-3 environments 2 category C2 EN 61800-3 environments 2 category C3 |
| Marking | CE |
| Category | 22157-ATV212 1 - 25 HP 460 VOLT |
| Diagnostic | 1 LED (red) for DC bus energized |
| Data format | 8 bits, 1 stop, odd even or no configurable parity |
| Noise level | 54 dB 86/188/EEC |
| Option card | Communication card APOGEE FLN Communication card BACnet Communication card LonWorks Communication card METASYS N2 |
| Speed range | 1...10 |
| Assembly style | With heat sink |
| Component name | ATV21 |
| Speed accuracy | +/- 10 % of nominal slip 0.2 Tn to Tn |
| Regulation loop | Adjustable PI regulator |
| Torque accuracy | +/- 15 % |
| Transmission rate | 9600 bps or 19200 bps |
| Operating position | Vertical +/- 10 degree |
| Transmission frame | RTU |
| Dielectric strength | 3535 V DC between earth and power terminals 5092 V DC between control and power terminals |
| Number of addresses | 1...247 |
| Product destination | Asynchronous motors |
| Transient overtorque | 120 % of nominal motor torque +/- 10 % 60 s |
| Motor slip compensation | Not available in voltage/frequency ratio motor control Adjustable Automatic whatever the load |
| Environmental characteristic | Classes 3C1 conforming to IEC 60721-3-3 Classes 3S2 conforming to IEC 60721-3-3 |
| Product specific application | Pumps and fans in HVAC |
| Maximum prospective line isc | 22 kA |
| Electromagnetic compatibility | 1.2/50 µs - 8/20 µs surge immunity test level 3 conforming to IEC 61000-4-5 Conducted radio-frequency immunity test level 3 conforming to IEC 61000-4-6 Electrical fast transient/burst immunity test level 4 conforming to IEC 61000-4-4 Electrostatic discharge immunity test level 3 conforming to IEC 61000-4-2 Radiated radio-frequency electromagnetic field immunity test level 3 conforming to IEC 61000-4-3 Voltage dips and interruptions immunity test conforming to IEC 61000-4-11 |
| Asynchronous motor control profile | Constant voltage/frequency ratio with automatic IR compensation Quadratic voltage/frequency ratio Current flux vector control (FVC) without speed feedback Energy saving ratio Constant voltage/frequency ratio |
| Ambient air temperature for storage | -13...158 °F (-25...70 °C) |
| Ambient air temperature for operation | 14...104 °F (-10...40 °C) (without derating) 104...122 °F (40...50 °C) (with derating factor) |
The ATV21HD18N4: It carries an integrated Class A EMC filter, Modbus RTU communication on a 2-wire RS-485 port at 9600 or 19200 bps, and is sealed to IP20 with a heatsink assembly for panel mounting. The drive is rated for a 15 gn 11 ms shock per IEC 60068-2-27 and complies with IEC 61800-3 environments 1 and 2 across categories C1 through C3.
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