What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What type of electrical connection does it use?

It uses two male 180-degree quick-connect terminals (187# & 250#).

A402 Air Differential Pressure Switch

Name: A402 Air Differential Pressure Switch
Brand: Shenzhen Duozhen Electronics Co, Ltd
SKU: 2212328025

Guangdong, ChinaShenzhen Duozhen Electronics Co, Ltd

US$3.00

2-199 Pieces

US$2.50

200+ Pieces

Product profile

Customization

Available

Type

Mechanical

Number of Switch

Single Control Switch

Structure

Amplifier Separated Type

Usage

Control Switch

Application

Home, Industrial

Explosion-proof Type

Flameproof

Contact

Normally Open

Contact Type

Type c Contact

Detection Method

Reflection Type

Brand

Ritor

Certification

ISO9001, CE

Electronical

0.1A@24VDC or 5A@24V AC

Hose Connector

Ø 6.2 mm

Electrical Connection

Flat Connector 6.3 or 4.8 mm

Switch Type

Spdt

Medium

Air and Neutral Gases

Pressure Range

-5~-400PA

Transport Package

1 Boxes

Specification

400*300*400

Trademark

Ritor

Origin

China

HS Code

8536500000

Key features

Wide Pressure Range: Operates within -400Pa to +1000Pa for various air flow control needs.

High Durability: Tested for 100,000 cycles ensuring long-term reliability and performance.

Multiple Certifications: Certified by CE, UL, CSA, and ISO9001 for global market compliance.

Versatile Application: Ideal for HVAC, heating systems, heat pumps, and ventilation control.

Flexible Connection: Supports 1/4" or 3/8" ID slip-on tubing with quick-connect terminals.

High Accuracy: Features high setting accuracy and reproducibility above industry norms.

Robust Construction: Thermoplastic housing with diaphragm and snap-acting switch design.

Global Reliability: Over 5 million units in use worldwide produced on automated lines.

Company profile

Shenzhen Duozhen Electronics Co, LtdGuangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2020-11-01Nearest Port: ShenZhenAverage Response Time: ≤10.47hTerms of Payment: T/T, PayPalInternational Commercial Terms(Incoterms): FOB

AI-Powered supplier vetting

SummaryShenzhen Duozhen Electronics Co., Ltd. is identified as both a trading company and manufacturer/factory in China, with production located in Huizhou and an operating address in Shenzhen. The supplier reports ISO 9001 certification, a 3,000-square-meter dust-free facility, approximately 100 staff, more than 10 production lines, and automated processing exceeding 80%. Stated output includes PCBA, air pressure switches, air pressure sensors, metal parts, and plastic injection parts. It began exporting in 2020 and serves Eastern Europe, North America, and Southeast Asia, with stated lead times of within 15 working days off-peak and one month during peak periods. The supplier claims more than 30 patents, self-developed products, customized solution development, and cooperation with well-known domestic and foreign enterprises. Evidence is insufficient to confirm after-sales service systems, financial credibility, or specific identifiable customer cases.

Supplier typeThe supplier is explicitly classified as both a trading company and manufacturer/factory, while another record describes its company nature as a trading company. A physical factory is reported in Huizhou, with more than 10 production lines, indicating combined trading and manufacturing activities.

CertificationsThe supplier states that its 3,000-square-meter dust-free facility is ISO 9001 certified and separately lists ISO 9001 under supplier management-system certifications. It also reports that most products have passed certifications including ENEC, cUL, CQC, and CE, although product-specific certification scope is not provided.

R&D capabilityThe supplier claims ownership of more than 30 product patents and self-developed patent-technology products for household appliances and HVAC-related applications. It also reports a strong designer team and more than 80% automated processing, but the available information does not independently verify the patents or quantify R&D performance.

Production capacityThe supplier reports a dust-free facility, approximately 100 staff, more than 10 production lines, and automated processing exceeding 80%. Stated annual output includes 10,000,000 PCBA units, 3,000,000 air pressure switches, 2,000,000 air pressure sensors, 10,000,000 metal parts, and 100,000,000 plastic injection parts, with stated lead times of within 15 working days off-peak and one month during peak season.

Customization capabilityThe supplier explicitly states that it can develop customized solutions in cooperation with customers to satisfy their requirements. This directly supports customization capability, although no examples, technical scope, or project delivery results are provided.