What materials are used in the housing?

The housing is made of cast aluminum, designed for harsh environments.

Can I get a longer cable than the standard one?

Yes, longer cables are available upon request.

Metal Switch Contacts Sensor/Magnetic Rolling Door Cotacts Bsd3020

Name: Metal Switch Contacts Sensor/Magnetic Rolling Door Cotacts Bsd3020
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 739700432

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$2.00-6.00

100 Pieces

Sample price:US$5.00/piece.Request sample

Product profile

Customization

Available

Application

Home, Industry

Usage

Door, Window

Model NO.

BSD3020

Certification

CE, ISO, RoHS

Maximum Switching Voltage

100

Maximum Switching Current

0.5

Reed Form

N/O,N/C,Spdt

Loop Type

Closed,Open, Closed&Open

Closed Gap[Inch(mm)]

2.5(63)

Transport Package

Box

Specification

Metal

Trademark

Sentek

Origin

Ningbo China

HS Code

8531901000

Production Capacity

200000/Month

Key features

Robust Cast Aluminum Housing: Designed for harsh environments with durable cast aluminum construction.

Flexible Cable Options: Comes with #22AWG 22' armored cable; longer lengths available on request.

Multiple Reed Form Options: Available in N/O, N/C, and SPDT configurations to suit various needs.

Comprehensive Certifications: CE, ISO, and RoHS certified ensuring quality and safety standards.

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

100% Quality Inspection: Every finished product undergoes strict 100% visual inspection.

Versatile Applications: Suitable for home and industrial door and window security systems.

Optional Accessories: Resistors, diodes, supervisory loops, and 'L' brackets available on request.

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.