LS240D12

Series:	LS
Packaging:	Bulk
Part Status:	Active
Mounting Type:	Through Hole
Circuit:	SPST-NO (1 Form A)
Output Type:	AC, Zero Cross
Voltage - Input:	4 ~ 10VDC
Voltage - Load:	24V ~ 280V
Load Current:	12A
Termination Style:	PC Pin
Package / Case:	4-SIP
Supplier Device Package:	4-SIP

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Solid State Relays

Solid State Relays (SSRs) are electrical switching devices that are typically employed to control electrical circuits by using a low-level DC voltage to turn it ‘on’ or ‘off’. Many high-powered applications use SSRs because of their ability to handle higher voltages and frequencies than traditional relays can. The LS240D12 series solid state relays are a type of SSR which are primarily used for AC load control. They are designed and developed by Shenzhen Shine Electronics Co., Ltd. for controlling resistive loads, capacitive loads and inductive loads. In terms of design, the LS240D12 is based on a monolithic SSR stacking technology. It consists of two parts: the control circuitry and the load circuit. The control circuit is a semiconductor switch which is activated by a logic level input signal, while the load circuit is a power switch which is turned ‘on’ and ‘off’ by the control circuit. In terms of operation, the LS240D12 uses a zener diode to limit the input signal voltage. When the input voltage reaches 0.75V, the relay is ‘on’. When the input voltage drops below 0.7V, the relay is ‘off’. The LS240D12 is a zero-cross SSR, meaning it only turns ‘on’ and ‘off’ when the zero-crossing point of the AC waveform is detected. This prevents the relay from causing electrical noise when it is switched. The LS240D12 can switch inputs up to 240V/12A (maximum 3000V/12A). It is highly efficient, with an on-state voltage drop of only 1.5V. It is also highly reliable, with a long service life and a shock and vibration resistance rating of 16G. The LS240D12 has a wide range of applications, including building automation, HVAC, medical equipment, power electronics, communication equipment, lighting control, and industrial control systems.In summary, the LS240D12 is a highly efficient and reliable type of solid state relay, which is primarily used for AC load control. It is well-suited to a wide range of applications, and its excellent build quality makes it a great choice for long-term use.

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