PA1A-5V-Y1

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The PA1A-5V-Y1 is a type of power relay that can conduct and switch electrical current of over 2 amperes. It is a latching relay specifically designed for switching lower power devices such as lamps, motors etc. The relays are designed to be low cost solutions which can be easily mounted and set up quickly.

The latching relay is composed of two coils that act upon a common contact when energized. The first coil is a current-carrying winding which is energized by a DC voltage. When the first coil is energized, an electromechanical force is generated and is utilized to drive the common contact to its second position. The second coil is an auxiliary winding which, when energized by a DC voltage, releases the common contact from its position enabling the relay to reset.

The PA1A-5V-Y1 has a single contact form, a nominal contact voltage rating of up to 5 volts, and has a contact resistance of less than 5 Ohms. Its maximum switching power is rated up to 10 Watts and its maximum switching current is over 2 Amps. The relay\'s insulation is rated at 0.4/2KV AC and 20 mA DC.

The basic operation of the PA1A-5V-Y1 is to supply a DC voltage as the input power and it outputs an energized current when triggered. This current is used to actuate the latching magnets. The DC voltage is supplied by a separate circuit and should not exceed the nominal rating. If the set voltage maximum is exceeded, then the relay will be turned off and will not switch on again until the input voltage is within the normal limit.

The PA1A-5V-Y1 is mainly used to switch on and off other low power devices such as lamps, motors and other small appliances. Its small size and low-cost make it popular in many industries such as automotive, HVAC, security and telecommunications. As they are relatively inexpensive and require a relatively simple installation, they are suitable for a wide range of applications.

In summary, the PA1A-5V-Y1 is a power relay that can switch electrical currents of over 2 Amps. It is composed of two coils which act upon a common contact when energized. The PA1A-5V-Y1 has a single contact form, a nominal contact voltage rating of up to 5 volts, and has a contact resistance of less than 5 Ohms. It is mainly used to switch on and off other low power devices and is popular in many industries due to its small size and low cost.

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