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

What is the lead time for production?

The average lead time is one month for both peak season and off-season.

4 Wire Conventional Security Photoelectric Smoke Detector Alarm with Relay Output

Name: 4 Wire Conventional Security Photoelectric Smoke Detector Alarm with Relay Output
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 740627442

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$5.60-10.00

100 Pieces

Sample price:US$7.50/piece.Request sample

Product profile

Customization

Available

Type

Smoke Detectors

Anti-theft Alarm System Approach

Active

Model NO.

SD119-4

Anti-Theft Alarm System Type

Smoke Alarms

Anti-Theft Alarm System-Wide

Space Security Alarm Detector

Types of Smoke Detectors

Photoelectric Smoke Style

Certificate

Ce/UL/En

Color

White

Wire

4 Wire

Warranty

5 Year Limited

Weight

130g with Base

Ceiling Spacing

50 Foot Rating for Heat Sensor

Transport Package

100PCS/Box

Specification

12 Volt or 24 Volt 4 Wire Security Smoke Detector

Trademark

SENTEK

Origin

China

HS Code

8531100000

Production Capacity

100000PCS/Month

Key features

Flexible Wiring Options: Available in 2-wire and 4-wire configurations to suit different system requirements.

Relay Output Support: Features N/C and N/O relay output with auto-reset function for 4-wire models.

High Reliability Design: SMD circuit board and durable sensor head ensure long-term quality without replacement.

Comprehensive Certifications: Certified by UL, EN, and CE standards for safety and performance compliance.

5-Year Limited Warranty: Backed by a five-year limited warranty for peace of mind and quality assurance.

Customization Services: Supports OEM/ODM services including customization from 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: ≤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.