S87R11A2B1D1120 Relays

Switching Voltage:	277VAC - Max
Coil Resistance:	800 Ohms
Coil Power:	4 VA
Contact Material:	Silver Cadmium Oxide (AgCdO)
Operating Temperature:	-10°C ~ 65°C
Termination Style:	Quick Connect - 0.250" (6.3mm)
Mounting Type:	Chassis Mount
Features:	Insulation - Class B
Turn Off Voltage (Min):	--
Turn On Voltage (Max):	102 VAC
Series:	S87R
Contact Rating (Current):	20A
Contact Form:	DPDT (2 Form C)
Coil Voltage:	120VAC
Coil Current:	33.0mA
Coil Type:	Non Latching
Relay Type:	General Purpose
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to Power Relays, Over 2 Amps

Power relays are versatile devices used to control high-power electrical circuits. They can be used to control large power loads, such as motors, lighting, and air conditioning systems. The S87R11A2B1D1120 is a type of power relay capable of carrying up to 20 amps of current, making it suitable for heavier loads. In this article, we will discuss the application field and working principle of the S87R11A2B1D1120 power relay.

Application Field of the S87R11A2B1D1120 Power Relay

The S87R11A2B1D1120 power relay is designed for industrial applications, such as motors, compressors, pumps, fans, and other machinery that require high-power control. It is also suited for agricultural applications, such as spraying, harvesting, and other agricultural tasks. Additionally, the S87R11A2B1D1120 is suitable for automotive applications, such as controlling the headlights or ignition.

Working Principle of the S87R11A2B1D1120 Power Relay

The S87R11A2B1D1120 is a type of electromagnetic relay, meaning that it uses electromagnetic forces to open and close an electrical circuit. When electrical current is applied to the relay’s control coil, it generates a magnetic field that attracts a movable armature. This causes the movable contacts to move, thus opening or closing the electrical circuit. When the current flowing through the control coil is removed, the magnetic field dissipates, allowing the armature and contacts to return to their original position.The S87R11A2B1D1120 includes an additional set of contacts, or an “auxiliary” contact, that can be used to control other electrical circuits. This auxiliary contact is usually wired in series with the main contact, so that when the main contact closes, the auxiliary contact closes as well. This feature allows the S87R11A2B1D1120 to be used in a variety of automation and control applications.

Conclusion

The S87R11A2B1D1120 is a powerful and reliable power relay that can be used in a wide variety of industrial, agricultural, and automotive applications. Its working principle is based on the principles of electromagnetism, and its unique “auxiliary” contact makes it ideal for automation and control applications.

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