低壓保護裝置之測試X/R值
Device Type
|
Test X/R Ratio
|
Test Power Factor
|
Low
Voltage Power Circuit Breakers
|
6.6
|
0.15
|
Fuses,
Fused Low Voltage Power Circuit Breakers, Insulated Case Circuit Breakers,
Molded Case Circuit Breakers (rated >= 20kA)
|
4.9
|
0.20
|
Molded
Case Circuit Breakers (rated > 10kA and < 20kA)
|
3.2
|
0.30
|
Molded
Case Circuit Breakers (rated <= 10kA)
|
1.7
|
0.50
|