3SBC1551A2

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Signal Relays, Up to 2 Amps

The 3SBC1551A2 is a single-pole double-throw (SPDT) signal relay that can be used in a variety of low-power applications. It is rated for up to two amperes (2A) of current and is designed to switch AC and DC signals from one circuit path to another. The relay has an operating temperature range of –55°C to +85°C and it can operate within a voltage range of 24V AC or DC to 250V AC or DC. Additionally, the 3SBC1551A2 has a duty cycle rating of 100%, meaning that it can operate continuously during its specified voltage ranges.

3SBC1551A2 Application Fields

The 3SBC1551A2 is suitable for a wide range of applications, including HVAC control circuits, electrical power management systems, lighting control systems, and industrial power switching circuits. It can be used as a signal relay for switching low-voltage and low-current signals between one circuit path and another. Additionally, it can be used as an overload protection device in AC and DC power systems. In HVAC applications, the 3SBC1551A2 can be used to switch air conditioning compressors between different circuits.

Working Principle of the 3SBC1551A2

The 3SBC1551A2 is an electromechanical device that operates on the principle of an electromagnet. When power is applied to the device, a small electric current passes through a coil of copper wire, creating a magnetic field around the coil. This magnetic field then attracts a small metal armature, which is connected to two contacts or "switches." As the armature moves, the switches either open or close, creating the desired output signal. The signal can be a voltage or current that is fed from one circuit to another.

The 3SBC1551A2 is designed to be a reliable signal relay that offers repeatable and accurate switching performance within the specified operating conditions. It is well suited for controlling signals in low-power applications, and its simple design allows for easy installation and operation.

The 3SBC1551A2 is an effective and efficient signal relay that can be used in a wide variety of applications. Its robust design and reliable performance make it a reliable choice for low-power switching and overload protection.

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