H3CR-F DC12

Series:	H3CR-F
Part Status:	Obsolete
Mounting Type:	Socketable
Relay Type:	Mechanical Relay
Function:	Repeat Cycle, Twin Timer
Circuit:	DPDT (2 Form C)
Delay Time:	0.05 Sec ~ 30 Hrs
Contact Rating @ Voltage:	5A @ 250VAC
Voltage - Supply:	12VDC
Termination Style:	Plug In, 11 Pin (Octal)
Timing Adjustment Method:	Hand Dial
Timing Initiate Method:	Input Voltage

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Time Delay Relays: H3CR-F DC12 Application Field and Working Principle

Time delay relays are smart devices used in many industrial applications such as heaters, motors, and other process control functions. H3CR-F DC12 is a specific type of time delay relay that is used to control the usage of electrical devices by allowing for a time delay between the power being cut off and the device itself coming to a full stop. In order to ensure that the devices receiving power through the H3CR-F DC12 remain safe and functioning perfectly, understanding its application fields and working principle is important.

Application Field

The H3CR-F DC12 time delay relay is often used in industry to help with the controlling of electrical devices, such as pumps, valves, actuators, boilers, and other motor-powered equipment. These devices will often require constant power supply and when it is no longer necessary, they will need to be turned off in a safe, controlled manner. The H3CR-F DC12 provides the necessary transition from the on to the off state by supplying a timed interval.

Working Principle

The H3CR-F DC12 is an electromechanical relay with adjustable on-off delay timers and a built-in short circuit protection system. The device is powered up through its DC12 power supply, which sets off an alarm when an equipment fails and the device is tripped. The device’s adjustable time delay setting can be adjusted to account for any delays in the circuit when the device is in operation. This is useful for ensuring that the voltage and currents present in the circuit are steady and controlled.When an input is made into the device, the internal timer of the device is activated. This timer is then enabled with a fixed delay, determined by setting the adjustable time delay knob. When the timer has expired, the associated output is switched off, thus stopping the equipment from operating. This feature ensures that the power is cut off to the equipment in a safe manner that does not damage it.

Indicators and Terminal Cabling

The H3CR-F DC12 is fitted with an LCD display that indicates the presence of power, which is useful for signaling when the power has been cut off. The device also features an integrated LED indicator that serves as a warning system. It lights up to signal that the timer is in operation. The terminal cabling for the device is also very suitable, providing a secure connection with no need for additional wiring.

Conclusion

The H3CR-F DC12 time delay relay is a useful device for ensuring the safe operation of electrical equipment. With its adjustable timescale, short circuit protection, LED indicator, and terminal cabling, the device can be programmed to supply power for the necessary duration and then switch off appropriately. This reduces risks and ensures that the equipment remains in top operational condition for the longest time possible.

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