5V 20A 2 Channel Relay Control Module Support High And Low Voltage Trigger
Product introduction:
The two-way isolated relay control module can select high level or low level to control the pull-in of the relay according to user needs. The module uses genuine high-quality power relays, the industry’s top ultra-small packaged optocouplers, high-power and high-voltage transistors, red signal indicators, military-grade double-sided PCB boards, comprehensive board layout considerations, stable performance, and can be widely used in various Power control occasions
I. Module description
II. Module interface
Module input control terminal
If high level control is adopted: this signal should be connected to the negative terminal of the power supply of the user control panel
If low-level control is adopted: this signal should be connected to the positive terminal of the power supply of the user control board
If VREF is connected to the negative pole of the power supply: when this port is high (relative to VREF), the corresponding relay is closed
If VREF is connected to the positive pole of the power supply: when this port is low (relative to VREF), the corresponding relay is closed
Note: The isolated relay module is to adapt to the severe electromagnetic environment or high signal requirements. If you want to achieve a complete isolation effect, the power supply of the user control board (that is, the reference power supply connected to the VERF) and the power supply of the relay module (DC+/DC-) should be distinguished. If the two power supplies share the same ground, it is not a complete isolation effect. At this time, users can choose our more economical standard relay module
Package Included:
Relay control module x1
1.We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2.Orders will be processed instantly and dispatched within 1-2 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3.All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
1.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.
2.Please DON'T leave negative or neutral feedback if you haven't received item in 30 days, because we have mentioned the shipping time repeatedly.
1.We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase.
2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances.
3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country.
1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund or resend the item to you after the returned item arrived at our warehouse.
3. Please include your eBay ID and item number with any email requests.
1. If you have any questions, please feel free to email our service specialists.
2.Just contact us using the " Ask the seller a question" link on eBay.
3.Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem.
Product introduction:
The two-way isolated relay control module can select high level or low level to control the pull-in of the relay according to user needs. The module uses genuine high-quality power relays, the industry’s top ultra-small packaged optocouplers, high-power and high-voltage transistors, red signal indicators, military-grade double-sided PCB boards, comprehensive board layout considerations, stable performance, and can be widely used in various Power control occasions
I. Module description
II. Module interface
Module input control terminal
If high level control is adopted: this signal should be connected to the negative terminal of the power supply of the user control panel
If low-level control is adopted: this signal should be connected to the positive terminal of the power supply of the user control board
If VREF is connected to the negative pole of the power supply: when this port is high (relative to VREF), the corresponding relay is closed
If VREF is connected to the positive pole of the power supply: when this port is low (relative to VREF), the corresponding relay is closed
Note: The isolated relay module is to adapt to the severe electromagnetic environment or high signal requirements. If you want to achieve a complete isolation effect, the power supply of the user control board (that is, the reference power supply connected to the VERF) and the power supply of the relay module (DC+/DC-) should be distinguished. If the two power supplies share the same ground, it is not a complete isolation effect. At this time, users can choose our more economical standard relay module
Package Included:
Relay control module x1
1.We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2.Orders will be processed instantly and dispatched within 1-2 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3.All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.
1.We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help.
2.Please DON'T leave negative or neutral feedback if you haven't received item in 30 days, because we have mentioned the shipping time repeatedly.
1.We accept PayPal payment ONLY, and must be received within 5 days from the date of purchase.
2. It is easy and safe for you to pay by credit cards, debit cards, bank transfers and PayPal account balances.
3.Buyers are responsible for import duties,custom fees and taxes, if any, please check your country.
1.We believe our items are so outstanding. We are convinced you will be happy with your Purchase.
2. If you do not satisfy with our items. Please simply return to us within 30 Days in original condition. Just pay for the returned postage. Then we can issue full refund or resend the item to you after the returned item arrived at our warehouse.
3. Please include your eBay ID and item number with any email requests.
1. If you have any questions, please feel free to email our service specialists.
2.Just contact us using the " Ask the seller a question" link on eBay.
3.Our aim is to provide Top Level Customer Service, normally so we will try our best to solve any problem.