MKYS4S
IEC ClassII compilant
Conforming standards
- IEC 61643-1/IEC 62305-4 compilant
- RoHS compliant
Features
- 2-electrode dimensions, width 50mm (MKYS2series, S4 series)
- A single unit provides protection across wire and to ground.
- Accommodates from single-phase two-wire up to three-phase four-wire (MKY44series, S2series, S4series)
- Deterioration display function (warning contact output terminal attached: S type)
- Easily installed into distribution boards
- Mountable on DIN rail, can be attached with articulated mounting plate.
- With retractable terminal cover for electric shock prevention
Application
- Low voltage power supply circuits in switchboards and distribution boards (AC 100V/200V, 400V)
Characteristics
| Item | Measurement conditions |
MKYS4 MKYS4S |
| Maximum continuous operating voltagr (50/60Hz)(Uc) | - | Three-phase three-wire AC 510V Three-phase four-wire AC 510V |
| Maximum discharge current (Imax) | 8/20µs | 200 kA (inter line, to ground) |
| Nominal discharge current (Imax) | 8/20µs | 10 kA (inter line, to ground) |
| Voltage protection level (Up) | Based on IEC | 2.4 kV or less (inter line) 2.4 kV or less (to ground) |