Terms & Conditions
Locations
This braking resistor is an option for variable speed drives of Altivar range. It has an Ohmic value of 28Ohms 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 IP20. It weighs 4kg. 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 Machine ATV340, Altivar Process ATV900 |
| Product or component type | braking resistor |
| [Ue] rated operational voltage | 250 V AC, 24 V DC |
| Ohmic value | 28 Ohm |
| Complementary | |
| Average power available | 0.96 kW at 50 °C |
| Depth | 180 mm |
| Width | 190 mm |
| Duty cycle | severe cycle (heavy duty) <6 s braking with 165 % braking torque for a 120 s cycle , medium cycle (heavy duty) <4 s braking with 165 % braking torque for a 40 s cycle , medium cycle (normal duty) <4 s braking with 135 % braking torque for a 40 s cycle , severe cycle (heavy duty) <54 s braking with 100 % braking torque for a 120 s cycle |
| Product compatibility | variable speed drive ATV930 25 hp 600 V medium cycle, variable speed drive ATV930 20 hp 600 V medium cycle, variable speed drive ATV930 18.5 kW 500...690 V medium cycle, variable speed drive ATV930 15 kW 500...690 V medium cycle, variable speed drive ATV340 11 kW 380...480 V medium cycle, variable speed drive ATV340 7.5 kW 380...480 V medium cycle, variable speed drive ATV930 wall mount 3 kW 200...240 V severe cycle, variable speed drive ATV950 wall mount 15 kW 380...480 V medium cycle, variable speed drive ATV950 wall mount 11 kW 380...480 V medium cycle, variable speed drive ATV930 wall mount 15 kW 380...480 V medium cycle, variable speed drive ATV930 wall mount 11 kW 380...480 V medium 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 | 4.2 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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