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Generally 3 days if goods are in stock. If not in stock, it is 5-10 days according to the quantity.

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Yes, we offer samples for free charge, but the customer needs to pay the cost of freight.

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We accept T/T in advance. Other terms include PayPal and Credit Card.

140X50.5X26 72V 500W Fast Heating Air PTC Heater with Rubber Wire

Name: 140X50.5X26 72V 500W Fast Heating Air PTC Heater with Rubber Wire
Brand: Guangdong Ruiji Precision Electronics Co., Ltd
SKU: 2139188272

Guangdong, ChinaGuangdong Ruiji Precision Electronics Co., Ltd

US$6.50-10.00

100 Pieces

Product specifications

Watts

Volts

Surface Temperature

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Certification

RoHS, ISO9001

Type

PTC Heater

Model NO.

PTCH

Material

Ceramic/Aluminum

Form

PTC Heating Elements

Shape

Square

MOQ

10PCS

Wire Length

Customized

Warranty

1 Year

RoHS

Compliant

Transport Package

Carton

Specification

insulative ptc heater with overheat protection

Trademark

neutral

Origin

China

HS Code

85162990

Production Capacity

100000 Pieces Per Month

Key features

Self-Regulating Safety: PTC ceramic elements automatically control temperature, preventing overheating without extra thermostats.

Fast Heating Response: Transforms electricity to heat and conveys it to the aluminum shell surface within 10 seconds.

Long Service Life: Consistent heating working over 10,000 hours with 7x24 uninterrupted operation capability.

Energy Efficient Design: Safe and energy-saving with no redness or open flame, ideal for use with fans.

Customizable Components: Customized wire length, cables, and connectors available to meet specific application needs.

RoHS & ISO9001 Certified: Manufactured with high-quality PTC ceramic elements and insulating materials ensuring compliance.

Versatile Applications: Suitable for dehumidification, object heating, air purifiers, car seats, and fresh air systems.

Robust Construction: Encapsulated in protective resin or casing to shield from environmental factors and ensure durability.

Company profile

Guangdong Ruiji Precision Electronics Co., LtdGuangdong, China

Business Type: Manufacturer/FactoryExport Year: 2009-08-08Nearest Port: ShenzhenAverage Response Time: ≤4.40hTerms of Payment: PayPal, T/T, Credit CardInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DDP, DAP, FCA, Others

AI-Powered supplier vetting

SummaryThe provided information presents Guangdong Ruiji Precision Electronics Co., Ltd as a China-based manufacturer/factory in Dongguan, Guangdong, established in 2009 and focused on PTC heaters, PTC thermistors, NTC thermistors, NTC sensors, and heating elements. It reports ISO 9001 certification, RoHS compliance, 6–10 R&D engineers, 6–10 quality-control staff, eight production lines, and nearly 100 million units of annual production capacity. The company states that it provides OEM/ODM services and serves customers in consumer electronics, household appliances, automotive, industrial equipment, HVAC, and related sectors. Export sales are reported at 51%–70%, with exporting since 2009. However, the slices contain inconsistent supplier identities: several records concern Guangdong Ruiji, while others identify Dongguan Tianrui Electronics Co., Ltd. This discrepancy should be resolved before relying on the combined capability claims.

Supplier typeThe supplier is explicitly identified as a Manufacturer/Factory, with activities covering research, development, production, and sales of PTC and related thermistor products. However, the records use both Guangdong Ruiji Precision Electronics Co., Ltd and Dongguan Tianrui Electronics Co., Ltd, creating an identity inconsistency that should be verified.

CertificationsThe supplier explicitly reports holding ISO 9001 certification, and its products are stated to be RoHS compliant. These are direct positive indicators of documented quality management and product-compliance practices, although the specific scope, issuing body, and validity period are not provided.

R&D capabilityThe company is described as focusing on research and development, continuous improvement, and innovation, with 6–10 R&D engineers. It also reports eight automated assembly lines, which supports process modernization, but there is no evidence of patents, dedicated laboratories, new-product records, or quantified R&D results.

Production capacityReported production resources include eight production lines, eight automated assembly lines, 6–10 quality-control staff, and nearly 100 million units of annual capacity across a 5,000-square-meter facility. These explicit figures support substantial manufacturing capability, although the slices do not clarify whether all figures belong to the same legal entity because of the Ruiji/Tianrui identity inconsistency.

Customization capabilityThe supplier explicitly states that it provides OEM/ODM services, directly supporting the ability to undertake customer-specific product or manufacturing requirements. No details are provided on customization scope, engineering workflow, tooling, minimum order quantities, or development lead times.

Product Q&A

Q:What is a PTC heater and how does it work?

A PTC heater uses Positive Temperature Coefficient ceramic elements. As temperature rises, electrical resistance increases, reducing current flow. This self-regulating feature prevents overheating and maintains consistent temperature without additional controls.

Q:What are the main components of a PTC heater?

A PTC heater typically consists of a PTC thermistor (core heating component), terminals, insulating materials, and a casing. The thermistor generates heat and performs the heating function.

Q:What are the typical applications for PTC heaters?

PTC heaters are used in household appliances (kettles, hair dryers), automotive systems (seat heating, defrosting), medical equipment (respirators), and industrial sectors (drying equipment, welding machines).

Q:What is the difference between NTC and PTC thermistors?

NTC thermistors are good for measuring temperature due to smooth, predictable changes. PTC thermistors are good for protecting circuits due to sharp resistance increases at set points, acting like resettable circuit breakers.

Q:Are you a trading company or a manufacturer?

We are a factory. We have automated production lines and over 100 workers to cover high demands.