LCB127STR Relays

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Solid state relays are a type of relay that uses a semiconductor device, such as a transistor, to turn power on and off. The LCB127STR solid state relays are a series of PCB mount AC solid state relays which offer circuit flexibility and a wide range of features.

The LCB127STR series solid state relays are designed for applications such as machine tools, HVAC, automated lighting, and high power isolation. The included redundant contacts offer cost effective system control, preventing any potential overloads or errors. The LCB127STR series is available in several configurations to meet the specific needs of the application.

The LCB127STR solid state relays are designed with an isolated opto-insulated input which provides a contact-less operation. The opto-isolated input consists of two sections connected through a common current sustained opto-coupler. The upper section contains two LEDs wired in opposite directions and the connector which houses the LEDs, the output relays, and the standby transformer to reduce external magnetic fields. The lower section contains the current control relays, allowing the LED to be actuated by controlling the current in the circuit.

The LCB127STR solid state relays have several significant advantages over traditional electromechanical relays. They can switch faster, generating less harmful voltage surges and producing less noise. The contact-less operation also minimizes the maintenance and cost associated with replacing worn out mechanical contactors. Additionally, the built-in protection feature provides further protection from voltage spikes and other interference.

The LCB127STR solid state relays work on the principle of proportional control. When the control signal is provided, the current is controlled by the opto-insulated input. The relay will switch to the corresponding state only when the control signal reaches a predetermined level, otherwise, it will remain in the idle mode. The switching speeds can be adjusted between 5ms to 300ms, depending on the needs of the system.

The LCB127STR solid state relay\'s screw-clamp terminals offer a convenient and reliable way to connect the relay to your system. The terminals are UL recognized, with shutdown capability up to 800V AC and 175V DC. The robust design allows the relay to operate within a wide temperature range of -40 to +85°C and provides a lifetime of up to 100,000 cycles.

The LCB127STR solid state relays are a versatile and reliable solution for high power applications that require speed, isolation, and protection. Their simple design, high performance, and reliability make them the perfect solution for cost-conscious projects.

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