8500 Series
Subminiature Pushbutton Switches
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For those designers that need a reliable pushbutton switch for their networking, computing, telecommunications or detection products, C&K’s 8500 series of subminiature pushbutton switches are the perfect fit. Designed for ratings up to 3A, the 8500 switches have a reliable contact design and are available in pre-travel or over-travel models.
Features and Benefits
- Pre-travel or over-travel models available
- Reliable contact design
- Ratings up to 3 A
Typical Applications
- Telecommunications & networking equipment
- Computers & peripherals
- Detection
Specifications
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Contact Rating:
Silver contact material (853X Models): 1 A @ 120 V AC or 28 V DC; (855X Models): 3 A @ 120 V AC or 28 V DC
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Contact Resistance:
Below 30 milliohms typ. initial @ 2-4 V DC, 100 mA, for both silver and gold plated contacts
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Electrical Life:
853X Models: 250,000 actuations at full load. 855X Models: 10,000 actuations at full load.
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Dielectric Strength:
1,000 Vrms min. @ sea level
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Insulation Resistance:
10⁹ ohms min.
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Operating Temperature:
–30ºC to 65ºC
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Certifications:
models available
= Most Common
| Part Number |
|---|
| Current Rating | Circuit | Mounting Type | Sealing | Illumination | Switch Function | Electrical Life Cycles | Voltage Rating - AC | Voltage Rating - DC | Actuator Type | Color - Actuator/Cap | Illumination Type, Color | Illumination Voltage (Nominal) | Termination Style | Additional Features | Panel Cutout Dimensions | Packaging |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Button | White | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Button | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Front, Snap-In | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Square, Button | Black | Solder Lug | Epoxy Sealed Terminals | Rectangular - 15.24mm x 12.70mm | Bulk | ||
| 0.4VA (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 250,000 | 20V | 20V | Round, Button | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Plunger | Black | Thru-hole | Epoxy Sealed Terminals | Circular - 6.35mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Plunger | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 6.35mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Plunger | Red | Solder Lug | Epoxy Sealed Terminals | Circular - 6.35mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Plunger | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 6.35mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Plunger | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 6.35mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Button | Black | Thru-hole | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Button | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 0.4VA (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 250,000 | 20V | 20V | Round, Button | Red | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 1A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 250,000 | 120V | 28V | Round, Button | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 1A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 250,000 | 120V | 28V | Round, Button | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 1A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 250,000 | 120V | 28V | Round, Button | Red | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 0.4VA (AC/DC) | SPST-NO | Panel Mount, Front, Snap-In | Unsealed | No/None | Off-Mom | 250,000 | 20V | 20V | Square, Button | Black | Thru-hole | Epoxy Sealed Terminals | Rectangular - 15.24mm x 12.70mm | Bulk | ||
| 0.4VA (AC/DC) | SPST-NO | Panel Mount, Front, Snap-In | Unsealed | No/None | Off-Mom | 250,000 | 20V | 20V | Square, Button | Black | Solder Lug | Epoxy Sealed Terminals | Rectangular - 15.24mm x 12.70mm | Bulk | ||
| 1A (AC/DC) | SPST-NO | Panel Mount, Front, Snap-In | Unsealed | No/None | Off-Mom | 250,000 | 120V | 28V | Square, Button | Black | Solder Lug | Epoxy Sealed Terminals | Rectangular - 15.24mm x 12.70mm | Bulk | ||
| 1A (AC/DC) | SPST-NO | Panel Mount, Front, Snap-In | Unsealed | No/None | Off-Mom | 250,000 | 120V | 28V | Square, Button | Gray | Solder Lug | Epoxy Sealed Terminals | Rectangular - 15.24mm x 12.70mm | Bulk | ||
| 1A (AC/DC) | SPST-NO | Panel Mount, Front, Snap-In | Unsealed | No/None | Off-Mom | 250,000 | 120V | 28V | Square, Button | Black | Solder Lug | Epoxy Sealed Terminals | Rectangular - 15.24mm x 12.70mm | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Plunger | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 6.35mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Plunger | Red | Solder Lug | Epoxy Sealed Terminals | Circular - 6.35mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Plunger | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 6.35mm Dia | Bulk | ||
| 3A (AC/DC) | SPST-NO | Panel Mount, Rear, Threaded | Unsealed | No/None | Off-Mom | 10,000 | 120V | 28V | Round, Button | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk | ||
| 0.4VA (AC/DC) | SPST-NC | Panel Mount, Front, Snap-in | Unsealed | No/None | On-Mom | 250,000 | 20V | 20V | Round, Button | Black | Solder Lug | Epoxy Sealed Terminals | Circular - 11.91mm Dia | Bulk |