Terms & Conditions
Locations
This braking resistor is an option for variable speed drives of the Altivar range. It has an Ohmic value of 2.5Ohms 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 IP23. It weighs 48.5kg. 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 |
| Product or component type | braking resistor |
| [Ue] rated operational voltage | 250 V AC, 24 V DC |
| Ohmic value | 2.5 Ohm |
| Complementary | |
| Average power available | 11 kW at 50 °C |
| Depth | 1060 mm |
| Width | 540 mm |
| Duty 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 |
| Product compatibility | variable speed drive ATV930 wall mount 160 kW 380...480 V medium cycle, variable speed drive ATV930 wall mount 132 kW 380...480 V medium cycle, variable speed drive ATV930 wall mount 110 kW 380...480 V medium cycle |
| Electrical connection | M12 bar wire for drive, terminal, connection capacity: <= 2.5 mm² / AWG 12 for temperature control switch |
| Net weight | 48.5 kg |
| Protection type | thermal protection via drive or temperature control switch at 120 °C |
| Height | 485 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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