CGB-38-78050M

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Time delay relays are small electronic devices which are designed to delay electrical contacts. The CGB-38-78050M time delay relay is a multi-function mechanical time relay developed for protection over voltage, over current, over temperature and over speed control applications. It is capable of controlling 4 types of parameters simultaneously.

The CGB-38-78050M consists of a base unit and an external programmable timing unit. The base unit is a conventional device with contacts, and can be used for both single pole and double pole operations. The programmable timing unit is used for programmable time tardiness control and includes adjustable timing, counting, and progressive functions. The timing unit accepts 0..12V DC or 10V AC inputs, which are converted into a digital signal by a 12-bit A/D converter.

The timing unit features a high resolution count, pre-defined and user definable count-up/count-down counters, variable times, memory backup and reset signals. The timing unit also features a watermark recognition, allowing it to react to external inputs. It also provides a logic enable/disable control of the contacts, allowing for greater user control.

The CGB-38-78050M time delay relay has many applications such as in HVAC applications, motor control, electrical power control, and communication applications. It is used in air conditioning systems, motors, and lighting systems for timed and latching control. In HVAC applications, the CGB-38-78050M is used for energy management, temperature control, power control, and timer control. In motor control applications it is used for frequency control, pre-delay, speed control and timer control.

The working principle of the CGB-38-78050M time delay relay is based on its integrated timer. Its integrated timer controls the relay switch according to the user-set parameters. The timer continuously monitors the time and waits for input signal from external sources. The relay switch then opens and closes according to the signal received. The timer also ignores undesirable signals such as noise or interference.

The CGB-38-78050M time delay relay also has advanced features such as a two-stage start up option, real-time clock setting and programming, real-time revision, manual/automatic rearm, and countdown/countdown with external signal. It is an intelligent device that can be adapted to various applications. Its ability to execute multiple timing functions simultaneously makes it an invaluable tool in many industrial automation applications.

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