What are the payment terms?

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

What is the lead time for production?

The average lead time is one month, regardless of peak or off-peak seasons.

Is customization available?

Yes, we offer OEM and ODM services, including customization from samples, designs, and flexible modifications.

4 Wire Smoke Detector with Relay Output

Name: 4 Wire Smoke Detector with Relay Output
Brand: Ningbo Sentek Electronics Co., Ltd.
SKU: 741838662

Zhejiang, ChinaNingbo Sentek Electronics Co., Ltd.

Negotiable

100 Pieces

Sample price:US$9.00/piece.Request sample

Product profile

Customization

Available

Type

Home Alarm

Signal Transmission

Wired Alarm

Model NO.

SD-119-4ARB-12/24

Certification

CE, En

Application

Indoor

Color

White

Weight

120g/Set with Base

Dimensions

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

Certificate

UL/En

Alarm Indicator

LED Continuously Emitting Red Light

Ceiling Spacing

40-50 Foot Rating for Heat Sensor

Temperature Range

-10°c to 50°c

Name

4 Wire Smoke Detector with Relay Output

Humidity

0 to 95% Rh, No Condensation or Icing

Smoke Sensitivity

0.98--2.40%/FT Obscuration (UL) ; 0.08--0.14 dB/M

Transport Package

100PCS/Carton

Specification

UL/EN

Trademark

Sentek

Origin

Ningbo China

HS Code

8531901000

Production Capacity

100000/Month

Key features

Five-Year Warranty: Comprehensive five-year warranty coverage for peace of mind.

Flexible Wiring Options: Supports both 2-wire and 4-wire configurations for versatile installation.

Relay Output Capability: Features N/C and N/O relay output for seamless system integration.

High Sensitivity Detection: Smoke sensitivity of 0.98~4%/FT Obsuration meets UL standards.

Durable Sensor Design: Durable sensor head requires no replacement, ensuring longevity.

Sleek Low-Profile Housing: Modern, sleek design that blends seamlessly into indoor environments.

Auto Reset Function: Optional auto-reset function for enhanced security system reliability.

Certified Quality: CE and UL certified for safety and compliance in global markets.

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.