KRP-11DG-12

Series:	KRP
Packaging:	Bulk
Part Status:	Active
Relay Type:	General Purpose
Coil Type:	Non Latching
Coil Current:	100mA
Coil Voltage:	12VDC
Contact Form:	DPDT (2 Form C)
Contact Rating (Current):	10A
Switching Voltage:	240VAC - Max
Turn On Voltage (Max):	9 VDC
Turn Off Voltage (Min):	--
Features:	Insulation - Class B
Mounting Type:	Socketable
Termination Style:	Plug In, 8 Pin (Octal)
Operating Temperature:	-45°C ~ 70°C
Contact Material:	Silver Cadmium Oxide (AgCdO)
Coil Power:	1.2 W
Coil Resistance:	120 Ohms

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Power Relays, Over 2 Amps – KRP-11DG-12 Application Field and Working Principle

The KRP-11DG-12 is an AC-powered power relay that is rated for over 2 amps. It is a medium-sized device that is commonly used in industrial and commercial applications involving electrical control and switching. This device is particularly useful for applications where high switching capacity is required, such as high current loads, motors, and other electrical components.The KRP-11DG-12 is designed to provide reliable, low-cost operation and switch up to 200 amps with only a 6.6 mm wide gap requirement. The device can also be used in circuits that require polarity reversal, allowing for efficient use of energy and greater control. The relay can be used in alternating current or direct current (AC or DC) applications.The KRP-11DG-12 uses two coils to create the alternating current and direct current signals required to switch the power, and the coils are placed in parallel. The two coils allow for better control over the power signals and reduce the amount of electromagnetic interference generated. The two coils also increase the security of the device, as they help eliminate the possibility of a short circuit. The AC coil is active when the frequency of the AC current is greater than 25 Hz, while the DC coil is active when the current is lower than 25 Hz.The device contains a contact arm, which is connected to the two coils and function as the electrical switch. The arm has two positions. When the current is lower than 25 Hz, the arm is in the "open" position, and when the current is greater than 25 Hz, the arm is in the "closed" position. The arm is spring-loaded, so when the current exceeds the maximum set by the user, the arm will move to the "open" position and break the connection. The KRP-11DG-12 is designed to provide protection against electrical surges, short circuits, and over-current. The arm will open the circuit when the current exceeds the user-defined maximum, thus preventing damage to the controlling circuits and components. Additionally, the device has a surge suppressor to limit the electrical surge generated when the relay is switched on, which helps protect the switching components. The KRP-11DG-12 is also designed with safety features to prevent accidental short circuits and damage to the equipment. This includes an insulation ring around the arm to prevent accidental contact with other components, and a sensor that detects any presence of electrical current before allowing power to flow.The KRP-11DG-12 provides a low-cost, efficient, and reliable solution for applications requiring high current switching and control. Its two coils provide superior control, and its safety features ensure that accidental short-circuiting does not occur. With its wide gap requirement, the device can be integrated into existing circuits with little effort. Ultimately, the KRP-11DG-12 is ideal for high-current applications, and is certain to provide reliable performance when powering motors, electrical appliances, and other electrical components.

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