OHD3-105B

Series:	OHD™ Thermal Guard
Part Status:	Active
Circuit:	SPST-NC
Switching Temperature:	221°F (105°C)
Reset Temperature:	203°F (95°C)
Current Rating - AC:	0.3A (100V)
Current Rating - DC:	0.3A (100V)
Tolerance:	±9°F (±5°C)
Switching Cycles:	--
Termination Style:	Solder Lug
Mounting Type:	Chassis Mount
Package / Case:	Module

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OHD3-105B Temperature Sensor Thermostat

Temperature sensors are key elements of a variety of systems, with thermostats providing the controlling function. The OHD3-105B is a mechanical thermostat designed for use in applications such as home heating, air conditioning, and commercial refrigeration. It is designed to be a reliable, accurate, and cost-effective solution for detecting and controlling temperature.

Description

The OHD3-105B thermostat provides a consistent, reliable temperature control. The unit has an adjustable temperature range of 6 to 30 °C and is available in a variety of mounting configurations. It features dual contacts, adjustable trip delay, no floating action, and adjustable humidistat range. The unit is constructed using corrosion-resistant materials and is UL listed and CSA certified.

Application Fields

The OHD3-105B thermostat is primarily designed for use in residential, commercial, and industrial settings. It is ideally suited for applications such as air conditioning, home heating, commercial refrigeration, medical equipment, and vending machines. In fact, the OHD3-105B is one of the most widely used temperature sensors for these kinds of applications.

Working Principle

The OHD3-105B is a mechanical type of thermostat. In operation, it operates based on the principle of thermal expansion. When the ambient temperature rises, a bimetallic strip inside the unit expands and depresses a switch lever. This action closes two pairs of electrical contacts, which is the thermostat’s signal to turn on a connected device. When the temperature falls, the bimetallic strip contracts, opening the contacts and turning off the device.

Advantages

The OHD3-105B offers a variety of advantages over other types of temperature-control devices. First of all, it provides an accurate and reliable temperature control because it is based on a mechanical system. In addition, the unit is durable and corrosion-resistant, which means it can withstand challenging environmental temperatures and conditions. Furthermore, the OHD3-105B is relatively simple to install and requires few maintenance tasks.

Conclusion

The OHD3-105B is an ideal choice for applications requiring reliable, accurate, and cost-effective temperature control. It is a durable and corrosion-resistant mechanical thermostat that can be used in residential, commercial, and industrial settings. The unit is easy to install and requires few maintenance tasks, making it an excellent choice for a variety of applications.

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