What are the dimensions and weight of the unit?

The dimensions are 100mm (dia) x 46mm (ht) with base, and the weight is 120g/set with base.

Wired Conventional Heat Detector Fire Alarms HD912-4

Name: Wired Conventional Heat Detector Fire Alarms HD912-4
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 691546902

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$7.00

500-1,999 Pieces

US$6.70

2,000-4,999 Pieces

US$6.30

5,000-9,999 Pieces

US$6.10

10,000+ Pieces

Sample price:US$7.00/piece.Request sample

Product profile

Customization

Available

Type

Heat Detector

Signal Transmission

Wired Alarm

Model NO.

HD912-4

Application

Indoor

Transport Package

1PC/Box, 100PCS/Carton

Specification

UL, EN54, CE, ROSH

Trademark

SENTEK

Origin

China Ningbo

HS Code

8531100000

Production Capacity

60000/Month

Key features

Five-Year Limited Warranty: Covers mechanical defects with a comprehensive five-year warranty period.

SMD Circuit Board Design: Ensures satisfactory quality and long-term reliability for the sensor.

Selectable Relay Output: Offers N/C (normal/close) or N/O (normal/open) relay output options.

Auto Reset Function: Optional AR function available for security systems on 4-wire models.

LED Alarm Indicator: Features a red LED that continuously emits light during an alarm state.

Durable Sensor Head: Built with a robust sensor head that requires no replacement.

OEM and ODM Services: Flexible customization options including samples, designs, and full customization.

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.