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for example for switches, light curtains and magnetic switches
The transistor output serves for the monitoring of the relay's status
for example with a PLC
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- Q: Do I need to pay for shipping when returning a product?
A: According to our return policy, if the return is due to product quality issues or our mistake, we will cover the return shipping fee. If it's for other reasons, the return shipping fee may be borne by you. Please refer to our return policy for specific details.
- Q: How can I check the stock status of a product?
A: On the product details page, you can check the stock status of the item. If a product is temporarily out of stock, we will restock it as soon as possible or provide a pre-order option.
- Q: How can I find out about product recalls or safety alerts?
A: We prioritize the safety of our customers and comply with product recall and safety alert notifications. You can stay informed about product recalls by regularly checking our website's safety alert section or subscribing to relevant product safety authorities' notifications.
Reviews
- R
Richard Conti
Jan 15, 2026
DUELCO Relay NST-2004Life was fantastic.HelpfulUnhelpful - S
Stephen Bonsall
Nov 23, 2025
DUELCO Relay NST-2004Quick and simple solution.HelpfulUnhelpful - T
Trent Binger
Jun 27, 2025
DUELCO Relay NST-2004Got my order right on time and it's exactly what I needed.HelpfulUnhelpful - M
Mikel Grinnell
Jul 26, 2024
DUELCO Relay NST-2004El pedido fue correcto y lo recibí rápidamente.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
DUELCO Relay NST-2004All was ok! No problems whatsoever.HelpfulUnhelpful
DUELCO Relay NST-2004
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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