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High-Quality NKK Keylock Switches
NKK's high-quality keylock switches set the industry standard. Offered in ranges from high to low security, NKK’s keylock switches will fit your application needs. Antistatic, process sealed options available with PC models specially designed to permit automated wave soldering and washing. Both PC board and panel mount types are available. Choose between various mounting options with logic level to power ratings. NKK keylock switches are designed to perform in a variety of different applications such as automation control, audio video, broadcast, industrial and medical equipment. Customizable 3D CAD models of each part are available for download by clicking the link within each product series listing. UL and CSA certifications available. Certificate of RoHS2 Environmental Compliance is provided within each product series.
CK-Series High Security Keylocks
16mm & 19mm High Security Keylocks
- 3A Power Level; 16mm and 19mm Bushing Mount; Flat and Tubular Key Options
- Highly insulating material for 16mm CKM models withstands 15 kilovolts of electrostatic discharge, thus providing an antistatic feature.
- Rugged, die-cast housing, 19mm CKL models are designed for higher security requirements.
- Patented, vertically rotating switching mechanism is combined with self-cleaning sliding contacts to achieve high reliability and long operating life.
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SK-Series Antistatic Process Sealed Keylocks
Antistatic Process Sealed Keylocks
- Totally sealed construction with internal o-ring, with gasket between base and housing, and with insert-molded terminals, gives protection for automated processing techniques.
- Housing and bushing of high insulating material withstand over 15 kilovolts of electrostatic discharge, thus providing antistatic protection.
- Subminiature size allows for high density mounting.
- Crimped bracket legs secure PCB mounting and prevent dislodging during automated wave soldering.
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SK-Series Antistatic Snap-in Keylocks
Antistatic Snap-In Keylocks
- 0.4VA Logic Level; Withstands 15 Kilovolts ESD; Three Position.
- Designed for use in low-voltage, low-current, logic-level circuit.
- High insulating material provides antistatic protection.
- Quick and convenient snap-in mounting.
- Compact behind panel dimension of only .894” (22.7mm).
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SK-Series Low Security Keylocks
Low Security Keylocks
- 3A Power Level; 12mm Bushing Mount
- 12mm diameter bushing mount for easy panel cutout preparation and high density mounting.
- Epoxy sealed terminals prevent entry of flux and other contaminants.
- UL recognized for 3A @ 125V AC and 1A @ 250V AC.
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SK-Series Process Sealed Keylocks
Process Sealed Keylocks
- 0.4VA Logic Level; Process Sealed, PCB Mount, Momentary and Maintained Circuits.
- Molded-in terminals seal out flux, solvents, and other contaminants.
- Small body size for high-density mounting.
- Sealed construction allows automated soldering and washing.
- Disposable boot for safe washing process.
- Detent mechanism gives crisp, positive action for accurate switch setting.
- Self-wiping contacts assure contact reliability and continuity.
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Datasheets and Catalogs
View the NKK Switches Keylocks Catalog