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Locations
This braking resistor is an option for variable speed drives of Altivar range. It has an Ohmic value of 10Ohms at 20°C. This braking resistor allows your variable speed drive to operate while braking to a standstill, by dissipating the braking energy and enables maximum transient braking torque. Its protection index is IP23. It weighs 67kg. 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 | 10 Ohm |
| Complementary | |
| Average power available | 19 kW at 50 °C |
| Depth | 860 mm |
| Width | 540 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 75 hp 600 V severe cycle, variable speed drive ATV930 60 hp 600 V severe cycle, variable speed drive ATV930 55 kW 500...690 V severe cycle, variable speed drive ATV930 45 kW 500...690 V severe cycle, variable speed drive ATV340 75 kW 380...480 V severe cycle 2 per drive, variable speed drive ATV340 37 kW 380...480 V severe cycle, variable speed drive ATV340 30 kW 380...480 V severe cycle, variable speed drive ATV950 wall mount 90 kW 380...480 V severe cycle, variable speed drive ATV950 wall mount 45 kW 380...480 V severe cycle, variable speed drive ATV950 wall mount 37 kW 380...480 V severe cycle, variable speed drive ATV930 wall mount 90 kW 380...480 V severe cycle, variable speed drive ATV930 wall mount 45 kW 380...480 V severe cycle, variable speed drive ATV930 wall mount 37 kW 380...480 V severe cycle |
| Electrical connection | M12 bar wire for drive, terminal, connection capacity: <= 2.5 mm² / AWG 12 for temperature control switch |
| Net weight | 71 kg |
| Protection type | thermal protection via drive or temperature control switch at 120 °C |
| Height | 1035 mm |
| Environment | |
| IP degree of protection | IP23 |
| Ambient air temperature for storage | -25-70 °C |
| Ambient air temperature for operation | 0-50 °C |
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