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Wired Metal Security Rolling Shutter Door Magnetic Contact
US$4.00
500 Pieces
Product profile
Customization
AvailableType
Door SensorSignal Transmission
Wired AlarmModel NO.
HC-57Working Mode
PassiveApplication
Indoor, OutdoorWorking Principle
ElectromagneticTransmission Mode
CableAlarm Volume (within 1m)
<1mTransport Package
Carton BoxSpecification
104*50*9.5mmOrigin
ChinaHS Code
8531100000Production Capacity
50, 000 Pieces/MonthKey features
Wired Signal Transmission: Stable connection via 1007UL#22AWG cable for reliable alarm signals.
Durable Zinc Alloy Housing: Silver-grey tamper-resistant casing ensures long-term durability.
Wide Sensing Distance: Effective detection range of 50-70mm for flexible installation.
Multiple Contact Forms: Available in NC, NO, and Changeover (NO/NC) configurations.
CE and RoHS Certified: Compliant with international safety and environmental standards.
Compact and Lightweight: Easy to install on various door frames with screw terminals.
Passive Working Mode: No reset needed; operates as a passive dry contact switch.
Versatile Application: Suitable for warehouses, shops, factories, and industrial facilities.
Company profile

Business Type: Manufacturer/FactoryExport Year: 2018-06-01Nearest Port: ShenzhenAverage Response Time: ≤4.50hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB
AI-Powered supplier vetting
SummarySconda Intelligent Technology Co., Ltd is described as a professional manufacturer of fire safety alarms and gas detection products, with production, measurement, and quality-control capabilities. It holds ISO 9001 certification, reports quality assurance and raw-material traceability, and has experienced R&D engineers and quality-control personnel. However, the available evidence shows no 3D software design, ODM, SDK, or popular-brand OEM services, and no new products during the past year. Customization from samples and designs is available. Overseas service infrastructure, inventory capability, and factory-subcontractor manufacturing contracts are absent. Financial information is limited to year labels without performance details, while after-sales procedures lack written records.
Supplier typeThe supplier is explicitly described as a professional and advanced manufacturer specializing in fire safety alarms, gas detection products, and related air-quality monitoring equipment. However, one assessment states that it is not a professional technical supplier, so its profile is stronger as a product manufacturer than as a technical-services provider.
CertificationsThe supplier reports holding ISO 9001 certification, directly evidencing a certified quality-management system.
R&D capabilityInnovation evidence is limited: the supplier reports no new products in the past year and does not provide ODM, SDK, or 3D software design services. It does report 21–30 years of total R&D engineer experience, but this alone does not establish current innovation performance.
Production capacityThe supplier describes advanced production lines, measuring facilities, manufacturing force, ISO 9001 quality management, and a stated peak- and off-season lead time within 15 workdays. Nonetheless, it reports no valid manufacturing-capacity contract with related subcontractors, no inventory capacity, and only one qualified supplier for the assessed service capability.
Customization capabilityThe supplier explicitly provides customization from samples and customization from designs. This supports product customization, although the same evidence confirms that it does not offer 3D software design services.
Product Q&A
Q:What is the sensing distance of this magnetic contact?
A:
The unit features a wide sensing distance of 50-70mm, allowing for flexible installation.
Q:What materials is the housing made of?
A:
It is constructed from high-quality zinc alloy with a silver-grey finish and a stainless steel protective tube.
Q:Is this sensor wired or wireless?
A:
This is a wired security sensor that uses a 1007UL#22AWG cable for stable signal transmission.
Q:What contact forms are available?
A:
Multiple contact forms are available, including Normally Closed (NC), Normally Open (NO), and Changeover (NO/NC).
Q:Does this product require a reset after triggering?
A:
No, it is a passive switch that does not require a reset method.
Send Inquiry
*To:
Shenzhen Sconda Intelligent Technology Co., Ltd
Shenzhen Sconda Intelligent Technology Co., Ltd*Content:
Supplier replies will be sent to your registered email
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