MKY Series
Earth leakage breaker Primary side installatio DIN rail installation Degradation display Alarm contact terminal
MKY23-20S
DIN rail / screw mounting
agreement type with
deterioration display and
alarm contact terminal
MKYS2S
DIN rail / screw mounting
agreement type with
deterioration display and
alarm contact terminal
MKYS4S
DIN rail / screw mounting
agreement type with
deterioration display and
alarm contact terminal
MKY23 series
MKYS2 series
MKYS4 series
Product type identification
Circuit diagram
| Item | Measurement conditions |
Performance | ||||
MKY23-05 MKY23-05S |
MKY23-20 MKY23-20S |
MKY44-20 MKY44-20S |
MKYS2 MKYS2S |
MKYS4 MKYS4S |
||
| Maximum continuous operating voltagr (50/60Hz)(Uc) | - | Single-phase two-wire AC 130V, 250V Single-phase three-wire AC 110V/220V Three-phase three-wire AC 250V |
Single-phase two-wire AC 130V, 250V Single-phase three-wire AC 110V/220V Three-phase three-wire AC 250V |
Three-phase three-wire AC 510V Three-phase four-wire AC 510V |
Single-phase two-wire AC 130V, 250V Single-phase three-wire AC 110V/220V Three-phase three-wire AC 250V Three-phase four-wire AC 250V |
Three-phase three-wire AC 510V Three-phase four-wire AC 510V |
| Maximum discharge current (Imax) | 8/20µs | 10 kA (3 time) (inter line, to ground) |
40 kA (inter line, to ground) | 200 kA (inter line, to ground) | ||
| Nominal discharge current (Imax) | 8/20µs | 5 kA (inter line, to ground) |
20 kA (inter line, to ground) | 10 kA (inter line, to ground) | ||
| Voltage protection level (Up) | Based on IEC | 1.3 kV or less (inter line) 1.5 kV or less (to ground) |
1.5 kV or less (inter line) 1.5 kV or less (to ground) |
2.5 kV or less (inter line) 2.5 kV or less (to ground) |
1.3 kV or less (inter line) 1.5 kV or less (to ground) |
2.4 kV or less (inter line) 2.4 kV or less (to ground) |
External view
