VW3A7746

BRAKE RESIS 5 OHMS 6,9 KW IP23

Trade Price

POA

Per

1

Unit

Pack Quantity

VW3A7746

Information

This braking resistor is an option for variable speed drives of Altivar range. It has an Ohmic value of 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 enables maximum transient braking torque. Its protection index is IP23. It weighs 27kg. 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.

Technical Specifications

range compatibility

Altivar Machine ATV340 Altivar Process ATV900

Product or component type

Braking resistor

Ohmic value

5 Ohm

[Ue] rated operational voltage

24 V DC 250 V AC

Product compatibility

Variable speed drive ATV930 wall mount 75 kW 380...480 V medium cycle Variable speed drive ATV930 wall mount 90 kW 380...480 V medium cycle Variable speed drive ATV950 wall mount 75 kW 380...480 V medium cycle Variable speed drive ATV950 wall mount 90 kW 380...480 V medium cycle Variable speed drive ATV930 wall mount 18.5 kW 200...240 V severe cycle Variable speed drive ATV340 55 kW 380...480 V medium cycle Variable speed drive ATV340 75 kW 380...480 V medium cycle

Duty cycle

Severe cycle (heavy duty) <54 s braking with 100 % braking torque for a 120 s cycle Medium cycle (normal duty) <4 s braking with 135 % braking torque for a 40 s cycle Medium cycle (heavy duty) <4 s braking with 165 % braking torque for a 40 s cycle Severe cycle (heavy duty) <6 s braking with 165 % braking torque for a 120 s cycle

Average power available

6.9 kW at 50 °C

Electrical connection

terminal, connection capacity: <= 2.5 mm² / AWG 12 for temperature control switch M10 bar wire for drive

Protection type

Thermal protection via drive or temperature control switch at 120 °C

Width

540 mm

height

485 mm

Depth

650 mm

Net weight

30.5 kg

IP degree of protection

IP23

Ambient air temperature for storage

-25…70 °C

Ambient air temperature for operation

0…50 °C

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

58.0 cm

Package 1 Width

58.0 cm

Package 1 Length

69.5 cm

Package 1 Weight

29.7 kg

Warranty

18 months

Document Links

Datasheet