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This braking resistor is an option for variable speed drives of the Altivar range. It has an Ohmic value of 60Ohms at 20°C. This braking resistor allows your variable speed drive to operate while braking to a standstill by dissipating the braking energy and enabling maximum transient braking torque. Its protection index is IP20. It weighs 8.3kg. This resistor is designed to be mounted on the outside of the enclosure but should not inhibit natural cooling; air inlets and outlets must not be obstructed in any way.
Products specifications
| Attribute name | Attribute value |
|---|---|
| Main | |
| Range compatibility | Altivar Process ATV900, Altivar Machine ATV340 |
| Product or component type | braking resistor |
| [Ue] rated operational voltage | 250 V AC, 24 V DC |
| Ohmic value | 60 Ohm |
| Complementary | |
| Average power available | 2.9 kW at 50 °C |
| Depth | 180 mm |
| Width | 390 mm |
| Duty cycle | severe cycle (heavy duty) <6 s braking with 165 % braking torque for a 120 s cycle , severe cycle (heavy duty) <54 s braking with 100 % braking torque for a 120 s cycle |
| Product compatibility | variable speed drive ATV930 15 hp 600 V severe cycle, variable speed drive ATV930 10 hp 600 V severe cycle, variable speed drive ATV930 11 kW 500...690 V severe cycle, variable speed drive ATV930 7.5 kW 500...690 V severe cycle, variable speed drive ATV340 5.5 kW 380...480 V severe cycle, variable speed drive ATV340 4 kW 380...480 V severe cycle, variable speed drive ATV950 wall mount 7.5 kW 380...480 V severe cycle, variable speed drive ATV950 wall mount 5.5 kW 380...480 V severe cycle, variable speed drive ATV930 wall mount 2.2 kW 200...240 V severe cycle, variable speed drive ATV930 wall mount 7.5 kW 380...480 V severe cycle, variable speed drive ATV930 wall mount 5.5 kW 380...480 V severe cycle |
| Electrical connection | terminal, connection capacity: <= 2.5 mm² / AWG 12 for temperature control switch, terminal, connection capacity: <= 10 mm² / AWG 8 for drive |
| Net weight | 8.3 kg |
| Protection type | thermal protection via drive or temperature control switch at 120 °C |
| Height | 570 mm |
| Environment | |
| IP degree of protection | IP20 |
| Ambient air temperature for storage | -25-70 °C |
| Ambient air temperature for operation | 0-50 °C |
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