| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
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Altech Corporation |
LIMIT SWITCH METAL BODY ENM2-SU1 |
0 |
|
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Altech Corporation |
LIMIT SWITCH METAL BODY ENM2-2U1 |
5 |
|
|
Altech Corporation |
TWOPEDAL FOOT SWITCH F2-U2ZD/U2Z |
0 |
|
|
Altech Corporation |
FOOT SWITCHFS1U1DU1STDCLR 2X1NO/ |
0 |
|
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Altech Corporation |
SWITCH SAFETY HINGE SHS3Z-U1Z-SA |
0 |
|
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Altech Corporation |
FOOTSWITCH F3-SU1Z/SU1Z/SU1Z UN |
0 |
|
|
Altech Corporation |
FOOT SWITCHFS1SU1DSU1USTDCLRGD 2 |
0 |
|
|
Altech Corporation |
SAFETY INTERLOCK SWITCH ENM2-U1Z |
39 |
|
|
Altech Corporation |
SAFETY SWITCH LATCH -MVTW230AC-5 |
0 |
|
|
Altech Corporation |
FOOT SWITCHFM1SU2RF2UBKREDGD DPD |
0 |
|
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Altech Corporation |
FOOT SWITCHFS1S2DO2VUSTDCLRGD SA |
0 |
|
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Altech Corporation |
LIMIT SWITCH IN65-SU1Z AHK |
0 |
|
|
Altech Corporation |
LIMIT SWITCH METAL BODY GC-SU1Z |
0 |
|
|
Altech Corporation |
LIMIT SWITCH I49-UIZ RIWF (VERTI |
0 |
|
|
Altech Corporation |
LIMIT SWITCHPLASTIC BODY C2-U1Z |
19 |
|
|
Altech Corporation |
SAFETY SWITCH GC-U1Z VKS |
0 |
|
|
Altech Corporation |
LIMIT SWITCH I49-UIZ IWF (HORIZO |
5 |
|
|
Altech Corporation |
FOOTSWITCH F2-U1Z/U2ZD UN |
0 |
|
|
Altech Corporation |
LIMIT SWITCH I81-U1Z HK |
0 |
|
|
Altech Corporation |
FOOTSWITCH WITHOUT COVER F1-U1Y |
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