Does the detector have a selectable relay output?

Yes, it features a selectable N/C (normal/close) or N/O (normal/open) relay output.

What are the physical dimensions and weight?

The dimensions are 102mm (dia.) x 43mm (ht) with base, and the weight is 130g/set with base.

Sentek UL/En54 Approval Fire Alarm Photoelectric Smoke Detector Fire Sensor

Name: Sentek UL/En54 Approval Fire Alarm Photoelectric Smoke Detector Fire Sensor
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 738377092

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$6.20-10.00

100 Pieces

Sample price:US$8.00/piece.Request sample

Product profile

Customization

Available

Type

Smoke Alarm

Signal Transmission

Wired Alarm

Model NO.

SD119-4

Working Mode

Optical Smoke Alarm

Certification

CE, ISO, RoHS, En

Application

Indoor

Working Principle

Electro-Optical Type

Transmission Mode

Cable

Color

White

Weight

130g/Set with Base

Dimensions

100mm(Dia.)*46mm(Ht) with Base

Certificate

UL/En

Humidity

0 to 95% Rh,No Condensation or Icing

Temperature Range

-10℃ to 50℃

Transport Package

Box

Specification

100mm(dia. )x46(ht) with base

Trademark

Sentek

Origin

Ningbo China

HS Code

8531100000

Production Capacity

100000/Month

Key features

UL/EN54 Certification: Approved by UL and EN54 standards for reliable fire safety compliance.

Advanced Detection: Features advanced algorithms and electro-optical sensing for accurate smoke detection.

Durable Design: Sleek housing with a durable sensor head that requires no replacement.

Flexible Output: Offers selectable N/C or N/O relay output for versatile system integration.

Auto Reset Function: Includes optional AR function for security systems on 4-wire models.

5-Year Warranty: Comes with a five-year limited warranty for peace of mind.

OEM/ODM Support: Manufacturer offers full customization from samples, designs, or minor tweaks.

Easy Maintenance: Designed for easy installation and maintenance with SMD circuit board 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: ≤15h

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.