Safe, reliable basic switch
- 1. Nice appearance, tight configuration. Characteristics: small contact clearance, quick action, high sensitivity and small operating travel.
- 2. Long life, high reliability.
- 3. A variety of contact terminals.
- 4. A variety of levers.
- 5. Adopt thermosetting plastic or thermoplastic case.
- 6. Widely used in home appliance, electronic equipment, automatic machine, communication equipment, car electron, apparatus and instrument ect.
Internal configuration drawing
- 1. Case
- 2. Moving piece
- 3. Cover
- 4. Support
- 5. Rivet
- 6. NO terminal
- 7. NC terminal
- 8. Contact
- 9. Spring sheet
- 10. Plunger
- 11. Lever
Technical characteristics
| Item | Value |
|---|---|
| Operating Speed | 0.1mm~1m/s (Related with actuator forms) |
| Operating Frequency | Mechanical 60 cycles/min; Electrical 25 cycles/min |
| Insulation Resistance | ≥100mΩ(500VDC) |
| Contact Resistance | OF>0.5N: ≤30mΩ (see note) OF≤0.5N: ≤50mΩ (see note) |
| Test Voltage - Between terminals of the same polarity | AC1000V, 50/60Hz, 1min |
| Test Voltage - Between current-carrying metal parts and ground(case), and between terminal and non-current-carrying metal parts | AC1500V, 50/60Hz, 1min |
| Vibration Resistance | 10~55Hz, 1.5mm double amplitude |
| Shock Resistance | Destruction: OF>0.5N: 1000m/s² (approx.100G) max OF≤0.5N: 500m/s² (approx.50G) max Malfunction: OF>0.5N: 300m/s² (approx.30G) max OF≤0.5N: 200m/s² (approx.20G) max |
| Life | Mechanical≥1,000,000 cycles Electrical≥10,000 cycles |
| Weight | Approx.1.6g (No lever) |
| Safely Approcals | UL, CUL, VDE, TUV, ENEC, DEMKO, CE, EK, CQC |
Various model combinations
KW4A-Z0
KW4A-Z1
KW4A-Z3
KW4A-Z2
KW4A-Z6
KW4A-Z5
KW4A-ZE
KW4A-ZQ
KW4A-Z6B
Circuit illustration
Plunger spec illustration
