Shihlin Electric & Engineering Corporation - Shihlin - Ranked No.1 electrical manufacturer in Taiwan with more than 70 years' experience.

Thermal Overload Relay TH-P20 | Shihlin Electric

Thermal overload relay TH-P20 with 0.25A-21A rated current, automatic temperature compensation, and IEC 60947-5-1 certification for reliable motor protection.

Professional Thermal Overload Relay Solutions for Motor Protection

IEC-Certified Thermal Overload Relay with Automatic Temperature Compensation and Safety Terminal Design

Thermal Overload Relay - Shihlin Electric Thermal Overload Relay TH-P20
  • Thermal Overload Relay - Shihlin Electric Thermal Overload Relay TH-P20
  • Shihlin Electric Thermal Overload Relay TH-P20

Thermal Overload Relay

TH-P20ES

Rated current range: 0.25A-21A, adjustment range ±20%

Inquire Now

Features

  • Automatic temperature compensation design
  • Single unit installation base can be added for independent use
  • Safety terminal cover design for high safety level
  • Auxiliary terminal of thermal overload relay is 1NO 1NC

Specification

  • Standard: IEC-60947-5-1, EN 60947-5-1
  • Standard contactor assembled type: TH-P20E
  • Standard independently installed type: N/A
  • Phase failure protection contactor assembled type: TH-P20PP
  • Phase failure protection independently installed type: N/A
  • Rated current range: 0.25A-21A, adjustment range ±20%
  • Contacts: 1NO1NC
Certification
Files Download
Related Products
Magnetic Contactor - Shihlin Electric Magnetic Contactor S-P16
Magnetic Contactor
S-P16

Rated capacity @ 380V → kW / HP / A: 7.5 / 10 / 18

Details
Magnetic Contactor - Shihlin Electric Magnetic Contactor S-P21
Magnetic Contactor
S-P21

Rated capacity @ 380V → kW / HP / A: 11 / 15 / 21

Details
Magnetic Contactor - Shihlin Electric Magnetic Contactor S-P21A
Magnetic Contactor
S-P21A

Rated capacity @ 380V → kW / HP / A: 11 / 15 / 21

Details
Magnetic Contactor - Shihlin Electric Magnetic Contactor S-P25
Magnetic Contactor
S-P25

Rated capacity @ 380V → kW / HP / A: 12 / 16 / 23

Details
Magnetic Contactor - Shihlin Electric Magnetic Contactor S-P30T
Magnetic Contactor
S-P30T

Rated capacity @ 380V → kW / HP / A: 15 / 20 / 28

Details
Magnetic Contactor - Shihlin Electric Magnetic Contactor S-P35T
Magnetic Contactor
S-P35T

Rated capacity @ 380V → kW / HP / A: 18.5 / 25 / 30

Details
Magnetic Contactor - Shihlin Electric Magnetic Contactor S-P40T
Magnetic Contactor
S-P40T

Rated capacity @ 380V → kW / HP / A: 22 / 30 / 40

Details

Products

Shihlin All Product Catalog

Download Shihlin All Product Catalog for more details.

How can you ensure precise motor overload protection across diverse industrial applications with varying temperature conditions?

The Shihlin Electric Thermal Overload Relay TH-P20 features automatic temperature compensation design that maintains consistent protection performance across temperature variations, combined with flexible 0.25A-21A rated current range and ±20% adjustment capability. This precision protection device integrates seamlessly into factory automation systems, delivering reliable motor control with IEC-certified safety standards. Contact our technical team to discuss integration solutions for your automation requirements.

Engineered with Japanese assembly techniques and high-stability components, the Shihlin Electric thermal overload relay offers independent installation capability through optional single unit installation base, making it suitable for both standard contactor-assembled applications and standalone motor protection requirements. The automatic temperature compensation mechanism ensures precise thermal response regardless of ambient temperature fluctuations, while the robust auxiliary terminal design delivers reliable signal switching for motor control circuits. Whether integrated into magnetic contactors or deployed as independent protective devices, this thermal overload relay combines superior manufacturing quality with professional technical support to maximize equipment reliability and operational safety in demanding industrial environments.