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FIEO Registered Export Ready

PTC Thermistors – Precision Thermal Protection for Motors and Pumps

Name: PTC Thermistors – Precision Thermal Protection for Motors and Pumps
SKU: 8523061
Availability: InStoreOnly

Sold by tma international private limited · Service Provider , Distributor, Exporter, Importer, Wholesaler · New Delhi, Delhi, India

Price

Price on request

In stock

Minimum order: 1 unit

Export Snapshot

MOQ

1 unit

Lead time

On request

Packaging

Standard export packaging

Shelf life / longevity

As per product specification

HSN Code

8544

Origin

India

Port of dispatch

On request

Export markets served

PL +7 others

Values shown are for tma international private limited.

License under FSS Act, 2006

Suitable for

Importers · Distributors · Wholesalers

New Delhi Dispatch on request FIEO member

tma international private limited

Service Provider , Distributor, Exporter, Importer, Wholesaler · New Delhi, Delhi, India

TMA International Pvt Ltd is a global sourcing and export-import company specializing in industrial raw materials, engineering goods, and chemicals. With a wide international supplier and customer network, we cater to industries like automotive, steel, HVAC, electrical, heavy machinery, and more. We are committed to delivering quality, reliability, and compliance with all required certifications and paperwork to ensure seamless cross-border trade. Our strength lies in long-term partnerships, trust-based transactions, and consistent delivery across Asia, the Middle East, Europe, and Africa.

Registered address: New Delhi, India. Industry: Automotive > Auto Parts.

View profile All products

Established

1983

Employees

11–30

GST

07AAACN1101G1Z7

IEC code

AAACN1101G

Export markets

PL +7 others

GlobalLinker Member Since

Mar 2020

Turnover

Greater than $10 MM

Incorporation Type

On request

Certifications & Awards

License under FSS Act, 2006 FSSAI MSME FISME APEDA

Product details

What are the specifications of this product?

Overview

PTC Thermistors (Positive Temperature Coefficient Thermistors) are advanced temperature-sensing components designed to protect motors, pumps, and industrial equipment from overheating. Ideal for motor windings, PTC thermistors increase resistance sharply as temperature rises, enabling precise thermal cutoff and motor protection. These thermistors are compact, reliable, and essential for ensuring the longevity and safe performance of electrical machines across industrial, automotive, and consumer applications.

Product Description

PTC Thermistors (Positive Temperature Coefficient Thermistors) are advanced temperature-sensing components designed to protect motors, pumps, and industrial equipment from overheating.

Ideal for motor windings, PTC thermistors increase resistance sharply as temperature rises, enabling precise thermal cutoff and motor protection.

These thermistors are compact, reliable, and essential for ensuring the longevity and safe performance of electrical machines across industrial, automotive, and consumer applications.

Description provided by tma international private limited.

Specifications

Operating Temperature Range	-40°C to +125°C (typical)
Resistance at 25°C	Varies by model; typically from a few ohms to several kilo-ohms
Maximum Temperature	Designed to trigger at specific thermal cut-off points (e.g., 90°C, 130°C)
Material	Ceramic-based PTC material
Mounting Options	Surface mount and leaded versions available
Electrical Ratings	Rated for specific current and voltage depending on motor/pump specs
Response Time	Milliseconds to seconds depending on temperature change
Certifications	Meets industrial safety standards such as UL and RoHS compliance

Use cases

Category	Electrical Components > Thermal Sensors > PTC Thermistors
Primary application	Wholesale, distribution, and international sourcing
Brand	Not specified
Product type	Product

Logistics & handling

Lead time	On request
Packaging	As per buyer requirement
Storage condition	As recommended by supplier
Origin	India
Form	As listed by supplier

Commercials (this seller)

Minimum order	1 unit
Lead time	On request
Payment terms	As per negotiated commercial agreement.

Buyer questions

Frequently asked by buyers

Common questions B2B buyers ask before sourcing PTC Thermistors – Precision Thermal Protection for Motors and Pumps. Answers compiled from verified sellers' commercial terms and platform data.

Q: How do PTC thermistors protect motor windings from damage?

A: PTC thermistors sharply increase their resistance when temperatures exceed safe limits, reducing current flow to motor windings and triggering shutdown or protective circuits to prevent overheating damage.

Q: Can these PTC thermistors be customized for different motor sizes and applications?

A: Yes, PTC thermistors are available in various resistance ratings and temperature trigger points to match specific motor sizes, power ratings, and operational requirements.

Q: What is the typical response time of these PTC thermistors during temperature rise?

A: They typically respond within milliseconds to seconds, enabling swift protection against rapid temperature increases in motors and pumps.

Q: Are these PTC thermistors compliant with automotive industry standards?

A: Most models meet industry certifications like UL and RoHS, with specific variants tested and certified for automotive applications.

Q: How are PTC thermistors installed in motor and pump assemblies?

A: They can be installed using surface mount techniques or leaded types, depending on the motor design and space availability, ensuring direct thermal contact with windings or pump components.

Question not answered? Ask sellers directly — typical response within 4 hours.