ETR203

Overview

The ETR203 is a dual adjustable temperature thermostat manufactured by nVent Hoffman. It is designed for efficient thermal control within electrical enclosures. The device houses two independent thermostats, which helps reduce space requirements inside the enclosure. It features a normally open and normally closed contact configuration. The setting range extends from 0°C to 60°C. It supports screw terminal connections for cables with cross-sections between 0.5 mm² and 2.5 mm². The unit has an IP20 protection rating.

Feature Summary

• Houses two independent thermostats to reduce internal space requirements
• Dual adjustable temperature control for efficient enclosure management
• Screw terminal connection compatible with specified cable sizes

Applications

• Thermal control in electrical enclosures
• HVAC system components
• Industrial equipment cooling regulation

Procurement Notes

Verify that the specific application requires the 0°C to 60°C setting range and IP20 rating. Confirm compatibility with the intended cable cross-sections (0.5 to 2.5 mm²) for the screw terminals. Ensure installation is performed by qualified electricians as per safety guidelines. Check if the dual NO+NC contact configuration meets the circuit logic requirements.

Selection Notes

Select this component when space optimization within an enclosure is critical due to its dual-thermostat design. It is suitable for applications requiring precise temperature adjustment within the 0°C to 60°C range. Consider the IP20 rating for indoor environments where direct water ingress is not expected. Verify that the screw terminal interface matches the existing wiring infrastructure.

Part Context

This thermostat belongs to the nVent Hoffman ETR series of environmental controls. It is distinct from general-purpose switches due to its specialized dual-thermostat architecture. The product is categorized under rack accessories and enclosure components. It serves as a dedicated solution for maintaining safe operating temperatures in enclosed electronic systems.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.

FAQ

What is the contact configuration of the ETR203?

The ETR203 features a Normally Open (NO) and Normally Closed (NC) contact configuration.

What is the maximum cable size supported by the terminals?

The screw terminals support cable cross-sections ranging from 0.5 mm² to 2.5 mm².