What is the reset voltage requirement?

The reset voltage must be less than 5 volts.

What are the available wiring options?

The product is available in both 2-wire and 4-wire models.

UL 2 Wire 4 Wire Smoke Detector Sensor for Home Security System

Name: UL 2 Wire 4 Wire Smoke Detector Sensor for Home Security System
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 740628262

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

US$9.00-15.00

100 Pieces

Sample price:US$12.00/piece.Request sample

Product profile

Customization

Available

Type

Smoke Detectors

Anti-theft Alarm System Approach

Active

Model NO.

SD119-G

Anti-Theft Alarm System Type

Smoke Alarms

Anti-Theft Alarm System-Wide

Space Security Alarm Detector

Types of Smoke Detectors

Photoelectric Smoke Style

Product Name

2 Wire 4 Wire Smoke Detector Sensor

Meet

UL, En54-7/5, Ce

Color

White, Beige

Star-up Time

20 Sec

Wire

2 or 4 Wire

Ceiling Spacing

50 Foot Rating for Heat Sensor

Usage

Fire Alarm System

Reset Voltage

Less Than 5 Volt

Reset Time

Less Than 1 Second

Weight

130g/Set with Base

Transport Package

100/Box

Specification

2 Wire 4 Wire Smoke Detector Sensor for Home Secur

Trademark

SENTEK

Origin

China

HS Code

8531100000

Production Capacity

100000PCS/Month

Key features

UL and EN54 Certification: Meets UL 268 and EN 54-7/5 standards for fire alarm signaling systems.

Wide Voltage Compatibility: Operates on 10-60V DC with stable output for 2-wire and 4-wire systems.

Five-Year Warranty: Comprehensive five-year warranty coverage for all mechanical defects.

Fast Start-Up Time: Detects smoke within 20 seconds maximum for rapid response.

Low Reset Voltage: Requires less than 5 volts to reset, ensuring system stability.

Auto Reset Function: Optional auto-reset capability for 4-wire models in security systems.

Durable Sensor Design: SMD circuit board and durable sensor head require no replacement.

Flexible Customization: Offers full, minor, and flexible customization from samples or designs.

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.