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[ue] rated operational voltage
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Frequently Asked Questions
hide showVW3A7701 Terminal information.
Product Line:
VW3A7701 braking resistor
Environment:
VW3A7701
Cause:
Clarification of product features is needed by the customer
Resolution:
Terminals T1 and T2 are a thermally activated contact on the resistor to indicate an overheat condition of the resistor. The contacts are normally closed and open once the braking resistor temperature reaches 120 degrees Centigrade. The minimum voltage/current for these contacts is 24VDC at .1 amps. The maximum voltage/current is 250VAC at 1.0 amps.
Thermal protection temperature switch included in braking resistor VW3A7723
Product Line:
Altivar 312; ATV312
Environment:
All models, all serial numbers
Cause:
The documentation that comes with the resistor does not indicate.
Resolution:
Braking resistors VW3A7723 to VW3A7725 do not have thermal protection temperature switches. Braking resistors VW3A7701 to VW3A7705 has thermal protection temperature switches. The tripping temperature is 120 deg. C. Max voltage - current AC = 250V ~ 1 A DC = 24V ~ 0.1 A