
Allicdata Part #: | A1240E-B-ND |
Manufacturer Part#: |
A1240E-B |
Price: | $ 46.87 |
Product Category: | Relays |
Manufacturer: | Sensata-Crydom |
Short Description: | RELAY SSR AC 40A 140VAC PNL MNT |
More Detail: | Solid State Relay SPST-NC (1 Form B) Hockey Puck |
DataSheet: | ![]() |
Quantity: | 1000 |
20 +: | $ 42.60440 |
Series: | 1 |
Packaging: | Bulk |
Part Status: | Active |
Mounting Type: | Chassis Mount |
Circuit: | SPST-NC (1 Form B) |
Output Type: | AC, Zero Cross |
Voltage - Input: | 18 ~ 36VAC |
Voltage - Load: | 24V ~ 140V |
Load Current: | 40A |
Termination Style: | Screw Terminal |
Package / Case: | Hockey Puck |
Supplier Device Package: | -- |
Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us: sales@allicdata.com
Solid State Relays (SSRs) are electro-mechanical devices used to control an electrical apparatus by opening and closing a electrical circuit. The A1240E-B is a type of solid state relay used for controlling a variety of devices that require a low voltage switch. It is designed for use in distributed control systems, automation systems, production lines, and process control applications. The following is an overview of the A1240E-B’s application field and working principle.
A1240E-B Application Field
The A1240E-B is a low voltage SSR composed of a photoelectric input triggering circuit module, a time delay circuit module, a turn-off circuit module, and a switching circuit module, making it highly versatile and capable of being used in a variety of applications. It features a wide a wide range of applications, such as electric water heaters, air conditioner blowers, office equipment, boilers, and packaging machinery.
A1240E-B Working Principle
The A1240E-B uses an input signal, such as a pulse signal, to switch a load on or off. Its output is composed of a photo-thyristor or an IGBT control module, which looks like a transistor and has a greater reaction speed than a relay. When the input signal comes in, the photo-thyristor or IGBT control module is triggered, and the output is switched on or off. The A1240E-B’s input triggering voltage and current can be adjusted according to the application.
The A1240E-B also features a time delay circuit, which allows for a delay between input and output, allowing for better control of the system. The time delay switch of the A1240E-B is composed of a triac transistor, and its delay time is adjustable. The delay time is determined by a capacitor and a resistor, which can be changed to adjust the delay. The turn-off circuit module of the A1240E-B is composed of a turn-off circuit, capacitor, diode, twin triode, and other electronic components. This turn-off circuit module ensures that the off-state of the output is consistent and stable.
Conclusion
The A1240E-B is a solid state relay used for controlling a variety of devices that require a low voltage switch. It has a wide range of applications, and its working principle is composed of a photoelectric input triggering circuit module, a time delay circuit module, a turn-off circuit module, and a switching circuit module, making it highly versatile and capable of being used in a variety of applications. The input triggering voltage and current can be adjusted, and the delay time is adjustable, providing better control of the system. It is designed for use in distributed control systems, automation systems, production lines, and process control applications.
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