What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer) as payment terms.

What is the reed form of this sensor?

The standard model BS-2031 has a Closed loop type and N/O (Normally Open) reed form.

Is installation difficult?

No, it features a surface mount design with included spacers, cover, and screws for easy installation.

UL Surface Mount Door Sensor Window Switch for Security Alarm System

Name: UL Surface Mount Door Sensor Window Switch for Security Alarm System
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 699773272

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$0.60-1.20

1,000 Pieces

Sample price:US$1.20/piece.Request sample

Product profile

Customization

Available

Certificate

Ce, UL,RoHS

Color

White/Brown/Grey

Model NO.

BS-2031

Installation

Surface Mounting

Loop Type

Closed

Reed Form

N/O

Closed Gap

1.2(30)[Inch(mm)]

Depature Gap

1.3(mm)[Inch(mm)]

Transport Package

1000PCS/Box or Depends on Request

Specification

UL Surface Mount Door Sensor Window Switch

Trademark

SENTEK

Origin

Ningbo China

HS Code

8531901000

Production Capacity

1000000PCS/Month

Key features

UL and CE Certified: Meets strict safety standards with UL and CE certificates for reliable performance.

Surface Mount Design: Easy installation with screw mount and concealed terminals for secure placement.

Multiple Color Options: Available in White, Brown, and Grey to match various decor styles.

High Quality Magnet: Equipped with a rare earth magnet for strong and stable magnetic contact.

OEM and ODM Service: Supports full customization from samples, designs, and minor adjustments.

Complete Accessories: Includes spacers, cover, and screws for immediate and convenient installation.

Flexible Loop Types: Offers Closed, Open, and SPDT configurations to suit different alarm systems.

Strict Quality Control: 100% visual inspection by 10 QA inspectors ensures product reliability.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceManagement CertificationR&D Capabilities

Ningbo Sentek Electronics Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 19 Years CertifiedNearest Port: Ningbo Port, Shanghai PortAverage Response Time: ≤18h

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 148 employees, focused on designing and manufacturing fire alarm and monitoring equipment, security products, smart-home equipment, detectors, sensors, and electronic components. It offers professional R&D, 3D software design, SDK availability, ODM, OEM, and broad customization services. Its products have passed national fire-electronic quality supervision testing and obtained mandatory CCCF certification. Quality and service processes are documented, including complaint handling, corrective and preventive actions, finished-product inspection, and supplier assessment. The supplier has valid manufacturing contracts with associated subcontractors and 12 qualified service-capability suppliers. However, it reports no in-stock capacity, overseas warehouse, or overseas showroom. Export sales account for 90%, with 19 years of export experience, but exports are conducted through an agent. Customer-specific cases are not clearly identified.

Supplier typeThe supplier is identified as a limited company with a combined company type and no stated affiliation with a larger corporate group. Its business scope covers design and manufacture of fire alarm, monitoring, security, smart-home, detector, sensor, and electronic-component products.

CertificationsThe supplier's listed fire alarm products passed qualification testing by the national fire electronic product quality supervision and inspection center. It also completed the required conformity-assessment audit and obtained national mandatory CCCF certification with the CCCF mark.

After-Sales capabilityThe supplier has documented and followed procedures for customer complaints, corrective and preventive actions, supplier-service assessment, and quality assurance. These records support an established service-management process, although the slices do not specify response times, repair coverage, or warranty terms.

R&D capabilityThe supplier is identified as a professional technical supplier with R&D capability, 3D software design services, and an available SDK. It reported new products within the past year and offers ODM services, providing explicit evidence of product-development and technical-design capability.

Production capacityProduction-related controls include valid contracts with associated subcontractors, documented finished-product inspection, quality assurance, and 12 qualified service-capability suppliers. The supplier has 148 employees and states a one-month average lead time in both peak and off seasons, but it has no in-stock capacity, overseas warehouse, or overseas showroom.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. Its R&D offering also includes ODM and OEM services, indicating broad ability to adapt or develop products to customer requirements.