WESUA MCS-33B Pack Magnetic Contacts Switch Window Door Alarm Sensor

( Brand: Wesua ), ( Manufacturer Part Number: MCS-33B ), ( Part Type: Contact Switch Sensor Alarm ), ( Color: White )

Review WESUA Pack Magnetic Contacts Switch Window Door Sensor Alarm White

Introducing the Wesua MCS-33B Pack Magnetic Contacts Switch Window Door Sensor for Alarm, a versatile and reliable solution for securing your home or business. This set comes with four individual window or door sensors, each equipped with a strong, adjustable magnetic contact that can detect when a door or window is opened.

The Wesua MCS-33B sensors are designed for easy installation. Each sensor includes adhesive strips on the back for secure attachment to doors or windows, as well as screw holes for more permanent mounting. The sensors can be set to normal mode, which allows the alarm to be armed and disarmed, or to alarm bypass mode, which disarms the sensor without disarming the entire alarm system.

These sensors are highly sensitive, with a detection range of up to 2 inches (5 cm). They feature a built-in supercapacitor that ensures the sensors maintain their memory and settings even during power outages. The sensors also include a test button for quick and easy verification of their functioning status.

The Wesua MCS-33B window door sensors are compatible with most alarm systems, making them a flexible and adaptable choice for securing various entry points. With their sleek, compact design and adjustable sensitivity, these sensors blend seamlessly into your home or business environment while providing peace of mind and an added layer of security.

In summary, the Wesua MCS-33B Pack Magnetic Contacts Switch Window Door Sensor for Alarm is a valuable investment for anyone seeking to enhance the security of their property. With its adjustable, sensitive magnetic contacts, easy installation, and compatibility with various alarm systems, this set of four sensors offers a reliable and versatile solution for securing doors and windows.

Pros and Cons of Buying Wesco MCS-33B Pack Magnetic Contacts for Window Door Sensors for Alarms

The Wesco MCS-33B pack magnetic contacts are an essential accessory for securing window doors with alarm systems. In this analysis, we will discuss the advantages and disadvantages of purchasing these contacts.

1. Compatibility: The Wesco MCS-33B magnetic contacts are universally compatible with various alarm systems, making them a versatile choice for homeowners and businesses.

2. Easy Installation: These contacts require minimal tools for installation, and the adhesive-backed design allows for quick mounting on doors and windows.

3. Durability: The Wesco MCS-33B contacts are designed to withstand outdoor conditions and have a long lifespan, making them a reliable investment for securing windows and doors.

4. Sensitive: These magnetic contacts are highly sensitive, ensuring accurate detection of window and door openings and closings.

5. Cost-Effective: The Wesco MCS-33B pack contains multiple contacts, making it a cost-effective solution for securing multiple windows and doors.

1. False Alarms: Magnetic contacts can sometimes trigger false alarms due to environmental factors such as strong magnetic fields or wind.

2. Limited Customization: The Wesco MCS-33B contacts do not offer any customization options, which may not be suitable for advanced alarm systems.

3. Manual Testing: These contacts require manual testing to ensure proper functioning, which can be time-consuming and may not always be convenient.

4. Lack of Battery Backup: The Wesco MCS-33B contacts do not have a built-in battery backup, which may be a concern for some customers during power outages.

The Wesco MCS-33B pack magnetic contacts are a solid investment for securing window doors with alarm systems. They offer ease of installation, durability, and cost-effectiveness, making them a versatile and reliable option for homeowners and businesses. However, potential customers should be aware of the false alarm risk and the need for manual testing.

For customers looking for magnetic contacts to secure window doors with alarm systems, the Wesco MCS-33B pack is an excellent choice due to its compatibility, ease of installation, durability, and cost-effectiveness. However, customers should consider additional measures to minimize false alarms, such as installing the contacts in areas with minimal magnetic interference and testing them regularly. Additionally, if battery backup is a concern, customers may consider purchasing contacts with built-in battery backups or investing in an uninterruptible power supply (UPS) for their alarm system.

Details:

Ideal for window or wood en door. Magnetic contacts is widely used for alarm system panel to detect state of door. When door closed, reed switch is effected by magnet and turn ON; when open, OFF, trigger alarm.Contact type: NC Material: ABS plastic Color: white Pack: 5 pairs/bag. 10mm 3/8 diameter press to fit.

Flush mounted cylindrical magnetic contacts. Small size, easy to install and concealment. WESUA 5 Pack Magnetic Contacts Switch Window Door Sensor for Alarm white. Standard 300mm #24 AWG leads.

It consist of a reed switch part and magnet.

part #: mcs33b prices

• $10.48-$12.35

specifications gardoremo:

• brand: Wesua
• mpn: Mcs-33b
• part type: Contact Switch Sensor Alarm
• color: White

shipping gardoremo:

• type: Fixed
• cost: $0.00
• class: Standard
• service: Standard
• transit: 4-10 Days

offer gardoremo:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: January 2, 2026
• quantity: 2

seller gardoremo:

• city: Township of Washington, New Jersey
• rating: 93.5%
• # reviews: 133

returns gardoremo:

• paid by: Seller
• time: 30 Days
• method: Money back
• policy: Returns Accepted

payments gardoremo:

• wallet: Apple-pay
• credit card: Visa
• other

general gardoremo:

• Building Hardware > Garage doors Openers > Garage Door Remotes
• condition: New