OVERVIEW

Official designation: Hyundai HiTH-40H (HiTH Series, Thermal Overload Relay)

Role/Application: Electromechanical device designed for three-phase motor protection against overloads and phase failure, featuring precise Class 10 trip characteristics and direct coupling to the HiMC 32 and HiMC 40 contactors.

KEY SPECS SUMMARY

Power: Up to 690 V AC main circuit

Interfaces / Ports: Main circuit and auxiliary terminals

Indicators: Trip indicator (flag or button position)

Operating Temp: Minus 25 degrees C to plus 55 degrees C

Platform / Compatibility: For HiMC 32, 40 contactors

Limit: Adjustable current range 18 to 26 A

Lifecycle: Standard model for motor protection

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the trip class and the differential trip function percentage for phase loss protection?

A: The standard trip class is 10, and the differential trip operates at 40 to 60 percent of the standard trip time.

Wiring & Installation:

Q: What are the three available operational modes and the standard terminal protection degree for the relay?

A: The three operational modes are Manual (H), Auto (A), and Test, with a standard terminal protection of IP 20.

Troubleshooting & Compatibility:

Q: What auxiliary contact configuration is standard, and is the current setting knob adjustable?

A: The standard auxiliary contact configuration is one normally open and one normally closed, and the current knob is adjustable with a screwdriver.

Replacement & Upgrades:

Q: Which Hyundai contactor models is the HiTH-40H specifically designed to be coupled with?

A: This relay is designed for direct coupling with the Hyundai HiMC 32 and the HiMC 40 magnetic contactors.