What is the sample policy?

We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost. Some items we can offer free samples.

Do you test all goods before delivery?

Yes, we have 100% test before delivery.

How do you maintain long-term business relationships?

1. We keep good quality and competitive price to ensure our customers benefit; 2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Waterproof 12V 40A 4 Pin Automotive Changeover Relay Electrical Switch

Name: Waterproof 12V 40A 4 Pin Automotive Changeover Relay Electrical Switch
Brand: Yueqing Zolann Electric Co., Ltd.
SKU: 2276128055

Zhejiang, ChinaYueqing Zolann Electric Co., Ltd.

US$1.10

100-499 Pieces

US$0.86

500-999 Pieces

US$0.68

1,000-4,999 Pieces

US$0.50

5,000+ Pieces

Product profile

Customization

Available

Type

Electrical Control Relay

Pin Number

Five

Model NO.

JD1912

EMC

EMI

Contact Point Type

H Type

Contact Point Material

AgSnO2

withstand Voltage of Insulation Level

withstand Voltage between Coil

Input Parameter

12VDC

Application

Universal

Certification

Power Source

AC/DC

Max. Switching Current

40A

Terminal Shape

Pin Type

Pins

5p, 4p

Product Name

Auto Relay

Transport Package

Carton/Customizable

Specification

32mm*27mm*53mm

Trademark

Zolann/OEM

Origin

Zhejiang, China

HS Code

8536500090

Production Capacity

2000PCS/Week

Key features

High Current Capacity: Supports up to 40A switching current for managing high electrical loads.

Versatile Pin Configurations: Available in 4-pin and 5-pin options for broad vehicle compatibility.

Dual Contact Forms: Features one normally open and one changeover contact set for flexibility.

Robust Durability: Available in dust cover and plastic sealed types for longevity.

Wide Voltage Support: Operates on both 12V and 24V AC/DC power sources.

Customizable Packaging: Offers customizable packing options for branded boxes with authorization.

OEM Manufacturing: Capable of producing according to customer samples or technical drawings.

Full Quality Testing: Undergoes 100% testing before delivery to ensure reliability.

Company profile

Importers and ExportersFast DeliveryProduction Process Visualization100% Finished Products Inspection

Yueqing Zolann Electric Co., Ltd.

Zhejiang, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service AvailableAverage Response Time: ≤0.11h

AI-Powered supplier vetting

SummaryZolann is presented as a professional technical supplier serving multiple international regions, with ISO 9001 and GMP management-system certifications. It offers 3D software design and broad customization services, supported by two production lines, stated manufacturing equipment, inventory capability, and quality-control procedures. Quality assurance and raw-material traceability are identified, but corrective-action and complaint-handling procedures lack written records. The supplier has valid contracts with associated subcontractors and accepts multiple international trade terms. Evidence of overseas operational support is limited: it has no overseas warehouse, showroom, agent, or branch, has not participated in offline trade shows, and reports zero countries for overseas service coverage. Financial records are referenced for 2023–2025, but no financial results or indicators are provided. Customer cases are not specifically documented.

Supplier typeThe supplier describes itself as a technology-oriented enterprise and is explicitly identified as a professional technical supplier. Its stated business scope includes mechanical and electrical components, optoelectronics, industrial control systems, instruments, molds, pneumatic machinery, communication equipment, and technical services, indicating a technical manufacturing and solutions profile.

CertificationsThe supplier reports certification of its management systems under ISO 9001 and GMP. These are explicit certifications listed in the supplier information, supporting a positive assessment for certification holding.

R&D capabilityThe supplier is identified as a professional technical supplier, provides 3D software design services, and lists technology development, consultation, exchange, and transfer within its business scope. However, the total experience of its R&D engineers is stated as under five years, and no specific patents, developed products, or R&D investment evidence is provided.

Production capacityThe supplier operates two production lines and lists needle punching, punching, riveting, laser marking, and winding machines. It reports inventory capability, valid manufacturing contracts with associated subcontractors, three quality assurance and quality-control inspectors in one record, and six to ten quality-control staff in another; the differing personnel figures should be clarified, but the production infrastructure is explicitly documented.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, customization from designs, minor customization, and flexible customization, together with 3D software design services. This provides direct evidence of broad customization capability.

Product Q&A

Q:What are the terms of packing?

Generally, we pack our goods in brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.

Q:What are the terms of payment?

T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q:What are the terms of delivery?

EXW, FOB, CFR, CIF, DDU.

Q:How long is the delivery time?

Generally, it will take 10 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q:Can you produce according to samples?

Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.