| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Altech Corporation |
LIMIT SWITCH GC-U1Z HW |
3 |
|
|
Altech Corporation |
FOOT SWITCHFL1U1USTDCLRGD 1NO/1N |
0 |
|
|
Altech Corporation |
LIMIT SWITCH METAL BODY D-U1 STW |
0 |
|
|
Altech Corporation |
SAFETY SWITCH LATCH - |
0 |
|
|
Altech Corporation |
LIMIT SWITCH I88-U15Z VKW LI |
0 |
|
|
Altech Corporation |
LIMIT SWITCH IN65-A2Z AHK |
0 |
|
|
Altech Corporation |
SWITCH HINGE LATCH -F-UC-71-R1-A |
0 |
|
|
Altech Corporation |
FOOT SWITCHFS3SU1(3X) STD COLOR |
0 |
|
|
Altech Corporation |
SOLENOID LOCKING SWITCH SLK-MVTU |
0 |
|
|
Altech Corporation |
FOOTSWITCH F1-SU1Z AT UN |
0 |
|
|
Altech Corporation |
ASI SWITCH ASI SKT |
0 |
|
|
Altech Corporation |
SWITCH SAFETY HINGE SHS3-A2Z-SR- |
0 |
|
|
Altech Corporation |
FOOT SWITCH (2X)F1GY DPDTMAIN2MC |
0 |
|
|
Altech Corporation |
FOOT SWITCHFL1U1RSUSTDCLRGD 1NO/ |
0 |
|
|
Altech Corporation |
LIMIT SWITCH - L5K13MEP123 LIMIT |
0 |
|
|
Altech Corporation |
LIMIT SWITCH IN62-SE2 SK |
0 |
|
|
Altech Corporation |
LIMIT SWITCH I49-UIZ RIWF (HORIZ |
5 |
|
|
Altech Corporation |
LIMIT SWITCH IN65-SA2 AHDM |
0 |
|
|
Altech Corporation |
SWITCHPCFS-3M BLK SPDT MOM CA63X |
716 |
|
|
Altech Corporation |
FOOT SWITCHFS2U1DU1S(2X)STDCLRA/ |
0 |
|
Snap-action switches and limit switches are critical electromechanical components that enable precise control of electrical circuits through mechanical motion. Snap-action switches feature a rapid-acting contact mechanism that ensures quick response to positional changes, while limit switches specifically detect the presence or absence of objects at predefined positions. These devices are fundamental in automation systems, safety circuits, and equipment interlocking, providing reliable feedback for process control and machine protection.
| Type | Functional Features | Application Examples |
|---|---|---|
| Standard Snap-Action Switch | Fast contact actuation, compact size, tactile feedback | Appliances, control panels |
| Heavy-Duty Limit Switch | Metal housing, high mechanical endurance | Industrial machinery, conveyor systems |
| Sealed Snap Switch | IP67-rated enclosure, resistant to dust/moisture | Outdoor equipment, washdown environments |
| Miniature Snap Switch | Sub-10mm dimensions, low operating force | Medical devices, IoT sensors |
Typical construction includes: - Actuator Mechanism: Lever, plunger, or roller assembly for motion detection - Contact System: Silver alloy contacts with snap-action spring for rapid switching - Housing: Thermoplastic (UL94 V-0) or metal enclosure with mounting features - Terminal Options: Quick-connect terminals, PCB pins, or screw terminals - Environmental Seals: Optional EPDM gaskets or molded-in sealing lips
| Parameter | Typical Range | Importance |
|---|---|---|
| Rated Current | 0.1-15A | Determines load capacity and contact lifespan |
| Operating Voltage | 12-600VAC/DC | Affects insulation requirements and arcing resistance |
| Mechanical Life | 10 -10 operations | Indicates durability under non-load conditions |
| Electrical Life | 10 -10 operations | Measures contact longevity under rated load |
| Actuation Force | 0.5-20N | Affects sensitivity and mechanical interface design |
| Response Time | 1-10ms | Critical for high-speed automation applications |
| Manufacturer | Product Series | Key Features |
|---|---|---|
| Omron | D4MC Series | IP67 rating, 10 mechanical operations |
| TE Connectivity | Micro Switch TL Series | UL-certified, 15A rating |
| ABB | PLS Series | Adjustable actuator, explosion-proof design |
| OMRON | Z-15 Series | 0.1A low-current switching capability |
Key considerations include: - Environmental conditions (temperature range, presence of contaminants) - Actuation force requirements vs. mechanical interface limitations - Contact configuration (SPDT/DPDT) and circuit requirements - Certification needs (UL, CSA, CE marks) - Mounting constraints (panel cutout dimensions) Example: For an automatic door system, specify a sealed IP65 switch with 10A/250VAC rating and lever actuator to ensure reliable operation in dusty environments.
Current development directions include: - Integration with IoT systems through embedded sensing and wireless communication - Miniaturization for wearable and portable device applications - Enhanced material science for extended lifespan in harsh environments - Development of hybrid switches combining snap-action with proximity sensing - Increased focus on RoHS-compliant and recyclable materials - Smart diagnostics capabilities with condition monitoring sensors