4.6 Overcurrent element test
(1) OC element
Element
OC
(2) EF element
Element
EF
(3) OCI element
Element
OCI
(4) EFI element
Element
EFI
4.7 Thermal overload element THR test
Element
THR
4.8 Frequency element FRQ test
(1) Frequency
Element
FRQ-L1
FRQ-L2
FRQ-H1
FRQ-H2
Tap setting
Measured current
Tap setting
Measured current
Test current
Measured operating time
2 I s
20 I s
I s : Setting value
Test current
Measured operating time
2 I s
20 I s
Test current
Measured operating time
Setting
Measured frequency
197
6 F 2 S 0 7 8 9