Interlocking relay module is an implement for two doors egress controlling ,such as bank, prison ect. When the first door opens and close properly, the second door will open.
Interlocking relay module is the ideal choice for the purpose of interlocking door control project, which is easy to install, professional and durable and create a more safe occasion for you.
Material: High quality elements with superb design
Suitable for door: Fail-safe electric locks with signal output
Operating temp: -20~+70° Output
capability: Applied to double-door interlocking
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|Shipping Company||Shipping Cost||Estimated Delivery Time|
|3 - 7 days|
|3 - 7 days|
|5 - 14 days|
|Post Air Mail||Free Shipping||15 - 45 days|
|Return Policy||If the product you receive is not as described or low quality, the seller promises that you may return it before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe) and receive a full refund. The return shipping fee will be paid by you. Or, you can choose to keep the product and agree the refund amount directly with the seller.
N.B.: If the seller provides the "Longer Protection" service on this product, you may ask for refund up to 15 days after order completion.
|Seller Service||On-time DeliveryIf you do not receive your purchase within 60 days, you can ask for a full refund before order completion (when you click "Confirm Order Received" or exceed confirmation timeframe).|
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