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NKK ANNOUNCES TWO AND THREE POSITION PANEL MOUNT KEYLOCK SWITCHES FOR HIGH SECURITY APPLICATIONS

NKK Switches, the world’s leading designer and manufacturer of innovative electromechanical switches, today announced the CKM Series of high security keylock switches for panel mount applications. Built for high security applications that require sophisticated design and reliability, the CKM series delivers the quality and dependability needed in such environments.

Featuring a highly secure five tumbler locking mechanism, CKM Series 16mm keylock switches are ideal for applications ranging from control and automation environments to computers and communication equipment to military and medical devices.

The high reliability of the CKM Series is due to sliding, silver contacts and a vertically rotating self-cleaning switching mechanism. These features ensure long operating life, smooth operation and highly reliable circuit contact.

CKM Series devices are standard size with 16mm double flatted bushings that sit securely in the panel. The interior construction has two sections, with the contact section sealed away from the key section to protect the contacts.

Keys are available in flat or tubular styles, with flat keys being reversible for easier setting. Keys are supplied with randomly assigned numbers. One key is provided with each switch and since there is no master, security is even further enhanced. Additional keys can be ordered by specifying the key number engraved on the switch.

Rated at 3A@250V AC, the CKM Series has the highest electrical rating of any NKK keylock device. They also have a high dielectric strength of 1,500 volts between contacts and case, which is guaranteed. These keylock switches are constructed of fiberglass reinforced PBT insulation material and can withstand 15 kilovolts of electrostatic discharge, designating them as antistatic devices.

The circuit configuration is SPDT with a choice of two or three key positions. Two position models feature a 90 degree angle of throw and three position models have a 45 degree angle of throw. Circuit options are ON-ON or ON-OFF-ON.

Engineers can also configure CKM Series with keys removable in one or two positions depending on circuit selection. ON-OFF-ON models with tubular keys also feature push-and-lock mechanisms.

Solder lug terminals are epoxy sealed to prevent the entry of flux and other contaminants. Wire assemblies are also available from NKK Switches upon request.

The operating temperature range for these devices is negative 25 degrees Celsius through positive 70 degrees Celsius. They can also withstand humidity at 90 to 95 percent for up to 240 hours at 40 degree Celsius.

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