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. Wide range of temperature degrees.
- 5. A variety of operating degrees.
- 6. A variety of levers.
- 7. Adopt thermosetting plastic or thermoplastic.
- 8. Widely used in home appliance, electronic equipment, automatic machine, communication equipment, car electron, apparatus and instrument, electric motion tool ect.
- 9. Direct current large gap switch can be provided.
Internal configuration drawing
- 1. Case
- 2. Pull spring
- 3. Support
- 4. Cover
- 5. NO terminal
- 6. NC terminal
- 7. Contact
- 8. Moving piece
- 9. Plunger
- 10. 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>0.75N: ≤50mΩ (initial value) OF≤0.75N: ≤100mΩ (initial value) |
| 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 | AC3750V, 50/60Hz, 1min |
| Vibration Resistance | 10~55Hz, 1.5mm double amplitude |
| Shock Resistance | Destruction: OF≤0.75N: ≤100mΩ (initial value) OF≤0.5N: 400m/s² (approx.40G) max Malfunction: OF>0.5N: 200m/s² (approx.20G) max OF≤0.5N: 100m/s² (approx.10G) max |
| Mechanical Life | ≥2,000,000 cycles |
| Electrical Life | ≥50,000 cycles |
| Weight | Approx.6.2g (No lever) |
| Safely Approvals | UL, CUL, VDE, ENEC, SEMKO, DEMKO, NEMKO, FIMKO, CE, EK, CQC |
Various model combinations
KW3A-16Z0
KW3A-16Z0B
KW3A-16Z0C
KW3A-5Z0-C
KW3A-16Z0B-B400-22
KW3A-15FZ0D
KW3A-15FZ0E
KW3A-15FZ0F
KW3A-A
KW3A-B
KW4A-B16TD-02
KW4A-B16TD-03
KW3A-C
KW3A-D
KW3A-16TA
KW3A-G
Circuit illustration
Plunger spec illustration
