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Sentek Electronics Contact Sensor NC
Door & Window Sensors

Sentek Electronics Contact Sensor NC

The Sentek BS-2021 sensor is a small magnetic contact suitable for doors and windows. It features both screw and adhesive installation with a 3M adhesive and a side-exiting cable. The loop is NC and...

The Sentek BS-2021 sensor is a small magnetic contact suitable for doors and windows. It features both screw and adhesive installation with a 3M adhesive and a side-exiting cable. The loop is NC and can operate at a distance of up to 24mm (1" gap).

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Top specs

  • Contact Operation

    Contact NC

    The circuit is closed when the door is also closed. When the door opens, the circuit opens as well and the alarm is triggered. It offers maximum security because it is activated even if the cable is cut.
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Product report

Description

Description

The Sentek BS-2021 sensor is a small magnetic contact suitable for doors and windows. It features both screw and adhesive installation with a 3M adhesive and a side-exiting cable. The loop is NC and can operate at a distance of up to 24mm (1" gap).

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Specifications

Contact Function
Contact NC

Contact Function

Contact NC

The circuit is closed when the door is also closed. When the door opens, the circuit opens as well and the alarm is triggered. It offers maximum security because it is activated even if the cable is cut.
Battery
No

Battery

Powered wirelessly by battery.
Metallic
No

Metallic

Heavy-duty metal contact suitable for use on iron doors, shutters, garage doors, etc.
Tamper
No

Tamper

Refers to protection against attempts to tamper with the device. For example, if someone tries to open the sensor's casing or remove it from its position, the sensor will send an alarm signal.
Pieces
1 pcs

Installation

Screw-in
Yes

Screw-in

Can be installed with screws.
Adhesive
Yes

Adhesive

Can be installed with adhesive tape.
Recessed
No
Nailed
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

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Description & Specifications

The Sentek BS-2021 sensor is a small magnetic contact suitable for doors and windows. It features both screw and adhesive installation with a 3M adhesive and a side-exiting cable. The loop is NC and can operate at a distance of up to 24mm (1" gap).

Manufacturer

Manufacturer Details

Warnings & Safety Information

Specifications

Contact Function
Contact NC

Contact Function

Contact NC

The circuit is closed when the door is also closed. When the door opens, the circuit opens as well and the alarm is triggered. It offers maximum security because it is activated even if the cable is cut.
Battery
No

Battery

Powered wirelessly by battery.
Metallic
No

Metallic

Heavy-duty metal contact suitable for use on iron doors, shutters, garage doors, etc.
Tamper
No

Tamper

Refers to protection against attempts to tamper with the device. For example, if someone tries to open the sensor's casing or remove it from its position, the sensor will send an alarm signal.
Pieces
1 pcs

Installation

Screw-in
Yes

Screw-in

Can be installed with screws.
Adhesive
Yes

Adhesive

Can be installed with adhesive tape.
Recessed
No
Nailed
No

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (1)

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product