Export Snapshot

Minimum order

1 unit

HSN Code

8544

Origin

India

Lead time

On request

Port of dispatch

On request

Packaging

Standard export packaging

Shelf life / storage

As per product specification

Export markets served

BY EG MT OM PL +7 others

Ability to customise

As per OEM brief

Values shown are for Tma International Private Limited.

License under FSS Act, 2006

Company Tma International Private Limited

Tma International Private Limited

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.

FIEO Registered

View profile →

Established

1983

Employees

11–30

GST

07AAACN1101G1Z7

IEC code

AAACN1101G

Export markets

BY EG MT OM PL +7 others

Member since

Mar 2020

Turnover

Greater than $10 MM

Incorporation type

On request

License under FSS Act, 2006 FSSAI MSME FISME APEDA

Product details

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.

Positive Temperature Coefficient (PTC) thermistor increases resistance with temperature rise

Used primarily for motor winding and pump thermal protection

Rapid resistance change for precise thermal cutoff

Compact design suitable for tight space installations

Stable operation across industrial, automotive, and consumer environments

High resistance to thermal and mechanical stress

Prevents overheating by triggering protection or shutdown

Compatible with a wide range of motors and pump types

Ensures extended motor and pump operational life by protecting windings

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

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 Tma International Private Limited

Minimum order

1 unit

Lead time

On request

Payment terms

As per negotiated commercial agreement

Frequently asked by buyers

How do PTC thermistors protect motor windings from damage?

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.

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

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

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

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

Are these PTC thermistors compliant with automotive industry standards?

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

How are PTC thermistors installed in motor and pump assemblies?

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? Sellers typically reply within 24–48 hours. Ask a question

What similar products are available in this category?

Browse all →

GST VERIFIED

bently nevada 3500/15 ac power supply module – 85-264 vac – 3500 series

Querland Industrial Automation

From $ 1,500.00

MOQ 1 NOS

GST VERIFIED

ge is200eisbh1aac

Querland Industrial Automation

From $ 3,500.00

MOQ 1 NOS

GST VERIFIED

puls qt20.241 din rail power supply

Voltedge Trade

From $ 150.00

MOQ 1 NOS

GST VERIFIED

honeywell fc-psu-uni2412 power supply unit

Voltedge Trade

From $ 799.00

MOQ 1 NOS

GST VERIFIED

honeywell cc-upta01 pass through adapter module

Voltedge Trade

From $ 300.00

MOQ 1 NOS

GST VERIFIED

pepperl fuchs pepperl+fuchs kcd2-sr-ex1.lb switch amplifier part no 70112151

Voltedge Trade

From $ 150.00

MOQ 1 NOS

GST VERIFIED

phoenix contact quint-ps/1ac/24dc/3.5 power supply 2866747

Voltedge Trade

From $ 140.00

MOQ 1 NOS

GST VERIFIED

edam edam8520b isolated rs232 to rs422/rs485 serial communication converter

Voltedge Trade

From $ 170.00

MOQ 1 NOS

More from Tma International Private Limited

Buyer guides & articles