ALARM SWITCH,

SPDT, 0.4 VA @

20V MAXIMUM.
DOUBLE-D

MOUNTING HOLE.
COMPLETE WITH

WASHER, LOCK NUT,
 CONTACT PROTECTOR

(FOR SHIPPING),
TWO FLAT KEYS

AND KEY RING.

QUANTITY꞉ ONE C&K Systems round key switch.  Includes keys, retaining nut protective cap (for shipping). Low-voltage, low-amperage key switch.

BRAND / MANUFACTURER꞉  C&K Systems, Inc. (now a division of LittleFuse).

PART NUMBER꞉  Key switch.

SERIES꞉  Y.

NUMBER OF KEYS꞉ Two.

CONTACT CONFIGURATION꞉ SPDT.

MOUNTING HOLE꞉ Industry standard “Double-D.”

NUMBER OF KEY POSITIONS꞉ Two.

KEY REMOVES / PULLS IN꞉ Either position.

SWITCH SECURED BY꞉  Included mounting nut.

CONDITION꞉  Factory-new, old-inventory.  This item has been sitting on our warehouse shelf for a period of time; however, has never been installed / never in service.  This particular key switch, although extremely popular at the time, is no longer manufactured by C&K Systems. 

DIMENSIONS꞉ The switch body measures approximately 0.695" wide x 1.31" long.  The metal front / flange on the front measures approximately 0.87" across.  The length of the key switch from the face to the end of the solder tabs is approximately 1.52". 

CURRENT RATING꞉ 0.4 V, 20V maximum.

BODY COLOR꞉ Red.

WEIGHT꞉ Switch, two keys, key ring, retaining nut and protective shipping cap weigh 1.5 ounces; 43 grams.

ADDITIONAL MARKINGS꞉ C&K (2) USA  Y-SERIES 0.4A 20V MAX.

NOTES꞉ The "contact" configuration for this key switch is as follows:  SPDT, (Single-Pole, Double-Throw).  Solder Tab #1 is Common; it switches between solder Tabs # 3 or #8.  The switch's contacts are rated at 0.4 VA, 20 V maximum.  This key switch is maintained.  The key can be removed in either position, (the key rotates 90-degrees).  

ABOUT C&K SYSTEMS꞉ C&K Systems, Inc. was a 1990s security system component manufacturer located at 107 Woodmere Road, Folsom, California.

APPLICATIONS꞉ Use this key switch to shunt out (bypass) doors or zones on your alarm system; shunt in or out your barn, shed, garage, or outbuilding to your home's security system; to disable electronics such as the keyboard to your computer; to enable/disable an outside push button to your garage door (granting access to your children, friends, or "domestics" only when necessary); for restricting access to building automation features; use it to control a relay to turn on/off lights, motors, electrical devices, etc.

DISCOUNTS?: Absolutely! In fact, we're offering two: A bulk purchase discount for Buyer's purchasing two or more key switches -and- tiered shipping for domestic Buyers (please see “SHIPPING COST” below for clarification).

SHIPPING COST꞉ Your shipping cost is calculated when checking out. For Buyer's residing in the United States or its territories, to keep your shipping cost as low as possible, the shipping cost is tiered: The shipping cost for the first key switch is $4.35... The shipping cost for each additional key switch is only 75¢... For buyers residing outside of the United States or its territories your shipping cost is based on “DIM” (i.e. weight, package size and destination). This item ships by USPS Priority Mail, FedEX, UPS or eBay International delivery (carrier is of Seller's choice). Orders typically ship within one business day of your payment being received.