What are the available color options?

The product is available in White, Brown, and Grey colors.

How is the device installed?

It supports both adhesive and screw mounting methods for flexible installation.

What certifications does the product have?

The product is certified with CE and UL standards.

Is customization available?

Yes, OEM and ODM services are available, including customization from samples, designs, or minor adjustments.

What is the lead time for orders?

The average lead time is one month, regardless of peak or off-peak seasons.

What is the minimum order quantity?

The minimum order quantity is 2000 pieces.

What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) payments.

Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm

Ningbo Sentek Electronics Co., Ltd.

17 yrs

5.0 (1 Review)

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Product Highlights

Customizable Colors: Available in White, Brown, and Grey finishes to match various decor styles.
Flexible Installation: Supports both surface mounting with adhesive and screw installation methods.
CE and UL Certified: Meets rigorous safety standards with CE and UL certifications for reliability.
OEM/ODM Support: Offers full customization from samples, designs, or minor adjustments via OEM/ODM.
Center Lead Design: Features center leads with #22AWG 18' length for convenient wiring connections.
Mini Stick-On Form: Compact mini stick-on contact with flange design for discreet and easy placement.

Product Attributes

Customization: Available
Usage: Door, Window
Certification: CE, UL
Model NO.: BS-2021A
Wire Leads: Center Leads with #22AWG 18" Length
Material: ABS Plastic
Colors: White, Brown, Grey
Installation: Surface Mounted
Loop Type: Open
Reed Form: N/C
Transport Package: Box/Carton
Specification: 1.32"Lx0.53"Wx0.3"H
Trademark: Sentek
Origin: China

Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm

Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm pictures & photos — Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm

Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm

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Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm
Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm

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Product Description

Order Information:

Part Number	Loop Type	Reed Form	Closed Gap [Inch (mm) ]	Depature Gap [Inch (mm) ]	Maximum Initial Contact Resistance (Ohm)	Maximum Contact Rating (W)	Maximum Switching Voltage (VDC/VAC)	Maximum Switching Current (A)
BS-2021	Closed	N/O	0.94 (24)	1.02(26)	0.150	10	100	0.5
BS-2021A	Open	N/C	1(24)		0.150	3	30	0.2
BS-2021C	Closed &Open	SPDT	1(24)		0.150	3	30	0.2

Open Loop Type Window Door Contacts Magnetic Reed Switch Alarm

Dimension (mm):

Product Features:

* Mini Stick-on contact with flange

* Center leads with #22AWG 18" length

* Adhesive and screw mount included

* Special leads on request

* Switches or magnets available seperately

* Resistor, Diode and Supervisory Loop available on request

* Colors: White, Brown, Grey

* Without Flange

Related Products

About the Supplier

This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR2531332". Items marked "" are certified.

Company Profile

Ningbo Sentek Electronics Co., Ltd. Was founded in November 2005, is located in the beautiful port city of Ningbo, the factory covers an area of more than 10, 000 square meters, is a commitment to research and development and production of security and fire alarm, smart home equipment, proximity sensors and other products as one of the high-tech enterprises.

The company has its own excellent development and management team, with more than 30 management personnel; More than 10 technical engineers, engaged in security and fire alarm product design for many years, has a strong development ability, can meet the different needs of customers.

The company has a very strong production capacity; Monthly production of fire alarms 150, 000, door magnetic switch 350, 000 sets. It has a variety of advanced production testing equipment, such as UL test smoke box, EN test smoke box (AWT, LORENZ), sensitivity automatic setting smoke box, CARBON monoxide gas alarm test box (Siemens core equipment), passive infrared testing equipment, ultrasonic welding machine, laser marking machine, injection molding machine and hardware mold manufacturing equipment.

Shang Tai regards the product quality as the enterprise life, carries on the strict production control and the quality inspection to the product, the production product carries on the 100% sensitivity and the function test. In order to make the products have a more favorable position in the international and domestic market, the designed products are designed and produced according to the specification requirements of their product standards (such as UL268, UL217, EN54, EN14604, 3C, etc. ). A number of products developed and designed by the company have passed the certification of UL, FCC, KFI, NS and EN (LPCB, BSI, INTERTEK, VDS). At present, there are more than 150 types of products and more than 2000 models. Products are exported to all over the world, the company with Europe and the United States, Asia, the Middle East and other different customers established a long-term stable business relations of cooperation.

In order to expand the domestic market, the company acquired Jiangsu Weston Fire equipment Co., Ltd. Weston fire equipment Co., Ltd. is a high-tech cooperative enterprise specializing in the design, development, production, installation and service of fire alarms. Has advanced production testing equipment, its main products JTY GD - 2101 - point type photoelectric smoke fire detector, JTW lh-zd - 2102 - point type heat fire detector, manual fire alarm button J - SA - 2106, JB - TBL - 8100 fire alarm controller (LianDongXing) and so on dozens of products by the national fire electronic product quality supervision and inspection center of qualified, and through the Ministry of Public Security fire product conformity assessment center by CNCA - C18-01: 20 14 "mandatory product certification implementation rules" audit, access to the national mandatory product certification certificate, Use the CCCF certification mark.

About Our Factory & Business Background

Business Type: Manufacturer/Factory & Trading Company
Address: 448 Yingchun Road, Wangchun Industrial Park, Ningbo, Zhejiang, China
Plant Area: 10035.2 square meters
Number of Employees: 148
Registered Capital: 5,190,000 RMB
Terms of Payment: LC, T/T
International Commercial Terms(Incoterms): FOB, CIF, CFR, EXW
Average Lead Time: Peak Season Lead Time: one month
Off Season Lead Time: one month
Nearest Port: Ningbo Port, Shanghai Port
Minimum Order Quantity: 2000 Pcs
Supply Chain Partners: 12

Our Production Capability & Technical Expertise

Main Products: Smoke Alarm, Smoke Detector, Magnetic Door Contacts
Production Lines: 6
Production Machines: Injection Facility, CNC Facility, Assembling line
QA/QC inspectors: 10 people
Inspection Type for Finished Products: 100% inspection(Visual inspection)
Inspection Method for Finished Products: Have instructions and uniformly followed
Customization Options: Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
ODM Service Available: Yes
OEM Service Available: Yes
R&D Engineers: 21 people
Traceability of Raw Materials: Yes

Our Industry Experience & Global Business Record

Year of Establishment: 2005-11-14
Export Year: 19 Years
Main Markets: North America, South America, Europe, Southeast Asia/ Mideast, Africa, East Asia(Japan/ South Korea), Australia
Repeat Buyers Choice: 50%~80%
Annual Export Revenue: 51,679,777.47 RMB
Number of Foreign Trading Staff: 7
Overseas Agent/Branch: No
New Products Launched in Last year: Yes

Our Certifications, Standards & Industry Recognition

Management System Certification: ISO9001:2015
Cooperated with Fortune 500: No

FAQ

What are the available color options?: The product is available in White, Brown, and Grey colors.
How is the device installed?: It supports both adhesive and screw mounting methods for flexible installation.
What certifications does the product have?: The product is certified with CE and UL standards.
Is customization available?: Yes, OEM and ODM services are available, including customization from samples, designs, or minor adjustments.
What is the lead time for orders?: The average lead time is one month, regardless of peak or off-peak seasons.
What is the minimum order quantity?: The minimum order quantity is 2000 pieces.
What payment terms are accepted?: We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) payments.