T90N5D12-18

Turn On Voltage (Max):	13.5 VDC
Coil Resistance:	380 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):	1.8 VDC
Series:	T90
Switching Voltage:	240VAC, 28VDC - Max
Contact Rating (Current):	20A
Contact Form:	SPDT (1 Form C)
Coil Voltage:	18VDC
Coil Current:	47.0mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Power Relays > Over 2 Amps > T90N5D12-18 Application Field and Working Principle

T90N5D12-18 is an automatic power-operated relay designed for use in the medium-voltage range. It is typically used in the switchgear, distribution board, and power supply systems of power plants, factories, hydropower stations, air-conditioning systems, buildings, and various motor control circuits. Unlike manual motor control, T90N5D12-18 offers increased safety, reliability and efficiency in power-operational applications.In low-voltage applications, the role of the T90N5D12-18 relay is to detect when the motor has reached its maximum current limit and stop the motor from drawing excessive current that could cause damage to it. In medium-voltage applications, the T90N5D12-18 relay performs the same basic function but at a higher voltage.The T90N5D12-18 relay can be fully integrated into the switchgear and distribution board, making it easy to install and maintain. A key factor that makes the T90N5D12-18 possess the capability to safeguard against short-circuited secondary fuse is its self-diagnostic features. It can detect the failure of the secondary fuse, as well as the varying current levels in the circuit. This relay is also designed to protect motors from overcurrent.The main feature of the T90N5D12-18 relay is that it can detect both under-voltage and over-voltage. This feature is important as it permits the relay to automatically switch off a motor in a safe fashion when the voltage is outside of an acceptable range. The T90N5D12-18 is also capable of detecting faults in the system that could cause it to malfunction, such as a short circuit.The T90N5D12-18 relay utilizes a few basic components to work in an efficient and effective manner. These components include a contactor, a circuit breaker, supply transformer, and a starter motor. The contactor controls the supply of power to the circuit. The circuit breaker works as a shutoff mechanism in event of a fault or overload. The supply transformer reduces the voltage of the power supply applied to the circuit before the starter motor is engaged. The starter motor provides the torque to start the motor in motion.In conclusion, the T90N5D12-18 is an ideal power-operated relay for use in switchgear, distribution boards, and motor control circuits. It has the ability to detect faults, overloads, and incorrect voltages, allowing it to protect motors from damage or destruction. With its easy installation and maintenance requirements, as well as its self-diagnostic features, the T90N5D12-18 relay is highly efficient and reliable.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description