---
product_id: 55539343
title: "White Flush Magnetic Alarm Door Contact Detector Burglar System Reed Switch"
brand: "other"
price: "$20"
currency: NZD
in_stock: true
url: https://www.desertcart.nz/products/55539343-white-flush-magnetic-alarm-door-contact-detector-burglar-system-reed
store_origin: NZ
region: New Zealand
---

# White Flush Magnetic Alarm Door Contact Detector Burglar System Reed Switch

**Brand:** other
**Price:** $20
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** White Flush Magnetic Alarm Door Contact Detector Burglar System Reed Switch by other
- **How much does it cost?** $20 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nz](https://www.desertcart.nz/products/55539343-white-flush-magnetic-alarm-door-contact-detector-burglar-system-reed)

## Best For

- other enthusiasts

## Why This Product

- Trusted other brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

White Flush Magnetic Alarm Door Contact Detector Burglar System Reed Switch

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Part Number | FK77J |
| Package Dimensions | 8.38 x 5.08 x 0.25 cm; 20 Grams |
| Manufacturer reference | FK77J |
| Power Source | Corded Electric |
| Item Package Quantity | 1 |
| Plug profile | Door Mount |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 20 g |

## Images

![White Flush Magnetic Alarm Door Contact Detector Burglar System Reed Switch - Image 1](https://m.media-amazon.com/images/I/41A1LJgzHmL.jpg)

## Questions & Answers

**Q: Can this be used to turn led lights on in a cabinet with tambour door? The reed could be inset on the worktop and the magnet stuck to the bottom of th**
A: It can be used as  a switch as long as the voltage is 12v or less and no more than 1.2 amps,  you may be better off using a micro switch

**Q: How many years would this contact last? The wires are quite short and I don't want to have to change the contact every 5 minutes.**
A: As long as the contact remains undamaged it will last many years.

**Q: will this work with a honeywell alarm**
A: It’s just a switch, so should work with any alarm  connected to a door.

**Q: Which terminal is which. I imagine the silver screws are the contacts fixings but what are the the three gold ones any specific sequence for a loop sy**
A: The two silver screws connect internally to the magnetic normally closed reed switch, closed circuit when magnet is in close proximity. The brass screws are not connected to anything within the contact and are mainly used for connecting your tamper wires together. If you require further help, just let us know.

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**Shop now:** [https://www.desertcart.nz/products/55539343-white-flush-magnetic-alarm-door-contact-detector-burglar-system-reed](https://www.desertcart.nz/products/55539343-white-flush-magnetic-alarm-door-contact-detector-burglar-system-reed)

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*Product available on Desertcart New Zealand*
*Store origin: NZ*
*Last updated: 2026-02-24*