T9AS1D12-24

Switching Voltage:	277VAC - Max
Coil Resistance:	576 Ohms
Coil Power:	1 W
Contact Material:	Silver Cadmium Oxide (AgCdO)
Operating Temperature:	-55°C ~ 85°C
Termination Style:	PC Pin
Mounting Type:	Through Hole
Features:	Insulation - Class F, Sealed - Fully
Release Time:	15ms
Operate Time:	15ms
Turn Off Voltage (Min):	2.4 VDC
Turn On Voltage (Max):	18 VDC
Series:	T9A
Contact Rating (Current):	30A
Contact Form:	SPST-NO (1 Form A)
Coil Voltage:	24VDC
Coil Current:	41.7mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Power Relays - Over 2 Amps

T9AS1D12-24 Application Field and Working Principle

Power relays are essential components in a variety of systems and its application definitely range from the simple to the complex. As for the T9AS1D12-24, it is a two-pole, low-current relay with dip solder pins and plugs that are designed to invoke the action of the circuit. It is categorized in the power relays with more than 2 amps current.

Application Fields

Compared to its counterparts, the T9AS1D12-24 is unique in its ability to switch relatively large amounts of power while still providing reliable performance and dependable operation. Its application field includes but not limited to the basic power surge load-switching applications, domestic or commercial low-power lighting, motors, and heating systems.

Working Principle

The working principle of the T9AS1D12-24 is actually quite simple. It is, essentially, a home-security system; a low-current relay triggers a pair of power transistors in the circuit, and upon successful completion of the process the transistors stay in an ‘on’ state, connecting the power enable line to the load. This continuous connection allows for minimal power consumption since no switch is mechanically moving to cut the current.To put it more precisely, the T9AS1D12-24 is a bifilar-type, non-latching relay, which uses an electromagnet for actuation. The contacts are placed in a dc circuit and the current flow is regulated by a "resistor-contact" type of partner (RTP) switch. When power is applied to the circuit, the relay contacts move to their open or closed positions in accordance with the current through the electromagnet. The use of a low-current power relay results in less energy loss in the system because the current is only drawn when the relay is switched on or off and not during the regular moments of operation. Additionally, when compared to other types of relays, the T9AS1D12-24, with its maximum current allowances of 2 amps, limits the flow of electricity, protecting system components from higher power demands.

Conclusion

In conclusion, the T9AS1D12-24 is a powerful and versatile low-current relay, and is one of the better options for basic power surge load-switching applications, domestic or commercial low-power lighting, motors, and heating systems. Its unique features allow the relay to maintain a connection when the power is off and to keep the current draw to a minimum -something other relays may not be able to do.

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