88865125

Series:	TBR1
Part Status:	Obsolete
Mounting Type:	DIN Rail
Relay Type:	Mechanical Relay
Function:	One Shot
Circuit:	SPDT (1 Form C)
Delay Time:	0.1 Sec ~ 100 Hrs
Contact Rating @ Voltage:	10A @ 250VAC
Voltage - Supply:	24 ~ 240VAC
Termination Style:	Screw Terminal
Timing Adjustment Method:	Hand Dial
Timing Initiate Method:	Input Voltage, Trigger Signal

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Time Delay Relays

88865125 application field and working principle

Time Delay Relays (TDRs) are electronic devices that allow an operator to control multiple input switches in a range of applications. TDRs are commonly used in industrial, commercial, military, and scientific applications. They allow an operator to control and monitor the status of multiple circuit switches, and to actuate different sequences and instructions depending on the input data.The working principle of a Time Delay Relay is based on an electronic timing circuit, which is capable of extending the duration of an electrical voltage to a pre-set interval. The input of a Time Delay Relay can be either an alternating or direct current, which passes through the timing circuit of the relay. At the circuit input, a disc or mercury switch is activated. This switch creates an electrical connection which is held open until the preset timing interval has elapsed. The connections continue to remain open, allowing time for the connection to occur at the output.Generally, Time Delay Relays contain timers which are controlled by an internal microcontroller.[1] These timers are adjustable, allowing the user to define the duration of the output voltage. The output of a Time Delay Relay will typically be a pulse or a steady state voltage.Time Delay Relays can be used in a variety of industrial applications, such as controlling water pumps, fan speed control, or safety shutdown systems. In commercial applications, they may be used to control the movement of doors and gates, or be used in alarm systems to allow an extended time period before an alarm is sounded. Additionally, the military uses TDRs to control the sequence of events during detonations.In addition to controlling the on and off sequences of electrical circuits, Time Delay Relays can also be used in conjunction with a microcontroller to enable more advanced control sequences. This may involve initiating an emergency shutdown procedure, or allowing for the timing of de-energizing of circuits that are unused for a specified interval of time.Time Delay Relays are electronic devices that are capable of providing a control sequence to multiple input switches and have a wide variety of industrial, commercial and military applications. Utilizing a microcontroller, they can provide the flexibility to control complex tasks, and initiate an emergency shutdown procedure. References: [1] https://www.engineeringtoolbox.com/time-delay-relay-d_1418.html

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