88857307

Series:	815
Part Status:	Obsolete
Mounting Type:	Socketable
Relay Type:	Mechanical Relay
Function:	On-Delay
Circuit:	SPST-NO (1 Form A), SPDT (1 Form C)
Delay Time:	0.01 Sec ~ 9999 Hrs
Contact Rating @ Voltage:	8A @ 250VAC
Voltage - Supply:	Multi-Voltage
Termination Style:	Plug In, 11 Pin (Octal)
Timing Adjustment Method:	Up/Down Digit Keys
Timing Initiate Method:	Input Voltage

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Introduction to 88857307 Time Delay Relays

Time delay relays (TDR) are devices commonly used to automatically control or regulate the timing of starting, running and stopping of electrical components or systems. The 88857307 is a specific model of TDR produced by the company JK ENERGIES. This relay is ideal for use in applications where an additional delay is necessary to ensure a sound circuit system or where automated elements are needed.

Application field of 88857307

The 88857307 is a useful device in many general industrial areas as well as tailored applications. Commonly this time delay relay is used in a wide variety of control and timing functions, such as motor control, process sequencing, machine automation, triggering of external functions or monitoring. Its most common uses include providing a time delay before a motor is started, cycling a pump on and off at regular intervals or controlling door locks and security system monitoring. This TDR is also popular due to its features such as its ability to time-out, variable timing switch, momentary/steady state capabilities and optional AC/DC power delivery. These features make it perfect for all kinds of projects and tasks.

Working Principle of 88857307

To understand the working principle of the 88857307 time delay relay, it is important to have a knowledge of the working parts of a relay. A time delay relay consists of an electromagnet, an armature, and a switch. An alternating voltage is used to energize the electromagnet, causing it to attract the armature, which then closes the switch contacts. In the 88857307, the timer is located inside the relay and is adjustable within preset limits. The timer is activated when voltage is applied to the relay. The timer then begins to count down the preset time period and it will eventually enable or disable the switch. Depending on the type of the 88857307 time delay relay used, the switch could turn a motor on, turn an alarm on, or open/close a door, etc.

Conclusion

The 88857307 time delay relay is an ideal tool for many industries and applications. It can be used for motor control, process sequencing, machine automation, triggering of external functions and security system monitoring. By understanding the working principle of the 88857307, its ability for adjustable timing, its momentary/steady state capabilities, and its optional AC/DC power delivery, it is easy to see why this tool is popular in a range of projects and tasks.

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