T90N1D42-12

Turn On Voltage (Max):	9 VDC
Coil Resistance:	155 Ohms
Coil Power:	900 mW
Contact Material:	Silver Cadmium Oxide (AgCdO)
Operating Temperature:	-55°C ~ 85°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	Insulation - Class F
Release Time:	15ms
Operate Time:	15ms
Turn Off Voltage (Min):	1.2 VDC
Series:	T90
Switching Voltage:	240VAC, 28VDC - Max
Contact Rating (Current):	30A
Contact Form:	SPST-NO (1 Form A)
Coil Voltage:	12VDC
Coil Current:	77.0mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Packaging:	Bulk

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Power Relays, Over 2 Amps – T90N1D42-12 Application Field and Working Principle

The T90N1D42-12 is a type of power relay that operates on two separate circuits, providing an efficient solutions for electrical power management. A power relay is developed to offer an electrically isolated means of switching high voltage circuits. Furthermore, it is designed to provide excellent heat dissipation and long life-cycle.The T90N1D42-12 gives full power control of a given circuit. When the relay is open, the current is completely open, providing complete electrical isolation to the externally connected circuit. When the relay is closed, power is immediately passed along its external circuit, allowing for fast, on-demand circuit switching.The T90N1D42-12 can easily handle currents of two amps or higher. The trade-off with this relay is that it has a relatively high resistance, however this resistance is what allows the relay to "disconnect" from two separate circuits. When the relay is open, all the current passes through the secondary coil. This is optimal for separating multiple circuits for safety,and the primary coil is insulated from the secondary one.The general applications of the T90N1D42-12 include the following: controlling current to motors, heaters, pumps, and other devices with high power requirements. It can also be used as contactors in lighting control systems and can be installed as a part of a safety system, which will shut down power in the event of a system malfunction.The working principle of the T90N1D42-12 is relatively simple. When the primary coil is energized, it creates a magnetic field that attracts the armature in the core of the relay. When the armature is pulled, the auxiliary contacts are closed and current is sent along it\'s secondary winding. This triggers the opening of the contacts and the circuit is complete, allowing for the electrical power to be transferred from one circuit to another.The T90N1D42-12 is tested to ensure long life, so that problems with premature failure are eliminated. It is a rugged, reliable power relay that is incredibly simple to install. Maintenance is minimal, and the relay can be reset or turned on and off as much as necessary without any long-term damage to the components.In conclusion, the T90N1D42-12 is an ideal power relay for safely switching between two different circuits. It is designed to handle two amps of current or higher, and provides a solid, relatively low resistance connection between two separate circuits. It is truly an efficient solution for any power management requirement.

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