Unistronics VFD has built In short circuit current rating according to the following table:
- B1-UL series (models <4kW) the rating is 5kA.
- B5-UL series:
- 3ph 208VAC 0.7kW-55kW, 10kA.
- 3ph 460VAC 1.5kW-18kW, 5kA.
- 3ph 460VAC 22W-110kW, 10kA.
SCCR = ISC (sometimes used ISC instead of SCCR)
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