Current Switches
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Current Switches - CR9321
An electrical current carrying wire is routed through the window opening of the current switch requiring no splices or electrical connections. Positioning is accomplished by use of a plastic tie or looping the wire through the center of the switch.
The standard CR9321 Current Switches operates in 50 or 60 Hz systems and is a self powered, non-intrusive device housed in non-corrosive thermoplastic. Overall dimensions are 1.50" x 1.00" x 0.75". The new Current Switches will accept up to one size #8 AWG wire through its center opening of .270 inch dia. Two standard #22 AWG wire leads of 12 inches in length are supplied for connection to instrumentation.
Current Switches are specifically designed for low cost, high volume OEM uses of monitoring motor overloads and heater elements.
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CR Magnetics, Inc. has developed the new CR9321 series of Current Switches for applications that require an on/off indication of current flow. Current Switches are specifically designed for low cost, high volume OEM uses of monitoring motor overloads and heater elements. The CR9321 Current Switches are fully isolated to protect delicate monitoring equipment. It is also self-powered requiring no external power supply. The low turn-on point of .350 Amp AC allows the monitoring of very small electrical loads. Current levels above this point will turn the internal NPN or PNP transistor or the solid state AC triac to a full-on status. 
CR Magnetics, Inc. has developed the new CR9350 series of Current Switches for applications that require an on/off indication of current flow. 
For Quick Delivery From Stock - CANADA & USA TOLL FREE: 1-800-279-9912