how long is the leader wires?

The leads are about 6 inches long.

Type of reed switch? Voltage/Current specs needed

The reed switch type is NC. No voltage/current required.

Does this have an end of line (eol) resistor internally?

It is a simple reed switch with no resistor.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws

QWORK MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch, White, Pack of 5 with 20 Screws

Product ID: 248281967

Details

Actuator Type
Magnetic
Brand
QWORK
Circuit Type
1-way
Connector Type
Screws
Contact Type
Normally
Material
Plastic

🔧Pack of 5 with 20 screws included

🚪NC (Normally Closed) contact type for reliable security

🧲8mm±1.8mm actuation distance

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

A$15

Duties & taxes included

In stock

Sold byAmazon AustraliaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Australia.

Secure transaction

ProDesertcart PRO

Fast, free shipping, member pricing & priority support.

Join PRO →

Description

🛡️ Stay ahead of intruders with precision magnetic security!

COMPLETE INSTALLATION KIT - Includes 5 sensors and 20 screws for seamless setup across multiple entry points
PRECISION MAGNETIC SENSING - Detects door/window status within 8mm±1.8mm for instant alerts
DURABLE SURFACE MOUNTED DESIGN - Compact 64x12x12mm white plastic casing blends with modern interiors
VERSATILE SECURITY APPLICATION - Ideal for doors, windows, cabinets—perfect for professional-grade home or office protection
RELIABLE NORMALLY CLOSED CIRCUIT - Ensures continuous monitoring by breaking signal only when opened

The QWORK MC-31 is a wired, surface-mounted magnetic reed switch sensor designed for door and window security. Featuring a normally closed circuit and an actuation distance of 8mm±1.8mm, this pack of 5 sensors includes 20 screws for easy installation. Its compact white plastic design ensures discreet, reliable monitoring ideal for homes and offices seeking robust, professional-grade protection.

Specifications

ASIN	B08FT91C1G
Actuator Type	Magnetic
Best Sellers Rank	#47,757 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #7 in Reed Switches
Brand Name	QWORK
Circuit Type	1-way
Color	White
Connectivity Protocol	X-10
Connector Type	Screws
Contact Material	Plastic
Contact Type	Normally Closed
Control Method	Touch
Customer Reviews	4.1 4.1 out of 5 stars (485)
International Protection Rating	IP65
Item Weight	0.01 Ounces
Manufacturer	QWORK
Material Type	Plastic
Model	WD3811
Mounting Type	Door Mount
Number of Items	5
Number of Positions	2
Operation Mode	automatic
Part Number	WD3811
Smart Home Compatibility	Not Smart Home Compatible
Switch Type	Reed Switch
Terminal	Screw
Unit Count	5.0 Count

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Reema J.

Perfect platform for hard-to-find items. Delivery was prompt.

1 month ago

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.