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SAFETY TECHNOLOGY INTERNATIONAL STI-3551 Wireless Entry Alert Sensor - Entry Sensors for Security Systems
SAFETY TECHNOLOGY INTERNATIONALEntry Sensors for Security Systems

SAFETY TECHNOLOGY INTERNATIONAL STI-3551 Wireless Entry Alert Sensor

The SAFETY TECHNOLOGY INTERNATIONAL Wireless Entry Alert Sensor (SKU STI-3551, MPN STI-3551) is a surface/wall-mount entry sensor for security systems. It is compatible with the 2015 Musical Wireless Chime series and…

SKU 3G-OTH-427530

Also listed as: STI3551 · STI 3551

Brand
SAFETY TECHNOLOGY INTERNATIONAL
Item
STI-3551 Wireless Entry Alert Sensor
Part Number
STI-3551
Category
Entry Sensors for Security Systems
Available to Order
Also known as:STI-3551SAFETY TECHNOLOGY INTERNATIONAL
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

SAFETY TECHNOLOGY INTERNATIONAL
Manufacturer Part Number
STI-3551
Type
Alkaline
Battery Size
AAA
Battery Chemistry
Alkaline
Mounting Location
Surface
Compatible with Series
2015 Musical Wireless Chime
Compatible with Manufacturer Model Number
STI-3360G

Technical Documents

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SAFETY TECHNOLOGY INTERNATIONAL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SAFETY TECHNOLOGY INTERNATIONAL Wireless Entry Alert Sensor (SKU STI-3551, MPN STI-3551) is a surface/wall-mount entry sensor for security systems. It is compatible with the 2015 Musical Wireless Chime series and model STI-3360G. The sensor includes AAA alkaline batteries and is designed for surface mounting.

Frequently Asked Questions

What is the SAFETY TECHNOLOGY INTERNATIONAL Wireless Entry Alert Sensor used for?

This surface/wall-mount entry sensor detects door or window openings and triggers a compatible chime, such as the 2015 Musical Wireless Chime series. It is commonly used in retail, office, or home security systems to alert staff or residents of entry activity.

What are the specifications of the STI-3551 Wireless Entry Alert Sensor?

The STI-3551 is an alkaline-powered entry sensor from SAFETY TECHNOLOGY INTERNATIONAL. It uses AAA batteries (included), mounts on a surface or wall, and is compatible with the 2015 Musical Wireless Chime series and model STI-3360G. The sensor is designed for reliable wireless alerting.

Where to buy the SAFETY TECHNOLOGY INTERNATIONAL STI-3551 worldwide?

3G Electric supplies the SAFETY TECHNOLOGY INTERNATIONAL STI-3551 Wireless Entry Alert Sensor worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to install the SAFETY TECHNOLOGY INTERNATIONAL Wireless Entry Alert Sensor?

Mount the sensor on a clean, dry surface using the included hardware. Insert the AAA alkaline batteries (included) and pair it with a compatible 2015 Musical Wireless Chime following the chime's pairing instructions. Test the sensor by opening the door or window to confirm the alert.

Used in

Common applications for SAFETY TECHNOLOGY INTERNATIONAL
Manufacturing plants — STI-SA5500-G siren alarm with strobe for audible and visual signaling on production floors.
Chemical processing facilities — Stopper Station covers with replacement keys (e.g., KIT-H19030) to protect emergency shutdown buttons.
Power generation stations — EM1212DOC document box for storing emergency procedures and safety documentation near control rooms.
Commercial buildings — Select-Alert alarm covers with KIT-H18075 keys to secure fire alarm pull stations in public areas.
Industrial maintenance — STI-6403 alarm covers with KIT-H19032 keys for access to protected alarm fixtures during servicing.
Warehouse and logistics — STI-9110 alarm covers with KIT-H18053 keys to prevent tampering with emergency equipment in high-traffic zones.
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SAFETY TECHNOLOGY INTERNATIONAL Products

3G Electric supplies SAFETY TECHNOLOGY INTERNATIONAL entry sensors for security systems. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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