66L075-0343

Series:	6600
Part Status:	Active
Circuit:	SPST-NC
Switching Temperature:	167°F (75°C)
Reset Temperature:	122°F (50°C)
Current Rating - AC:	1A (120V)
Current Rating - DC:	1A (48V)
Tolerance:	±9°F (±5°C)
Switching Cycles:	25K
Termination Style:	PC Pins
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm), 4 Leads

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Temperature Sensors - Thermostats - Mechanical

The 66L075-0343 (66L075) is a mechanical thermostat used in industrial and commercial applications. It is designed for applications requiring control of air temperature in circuits. The 66L075 utilizes a set of thermal elements that are used to detect the ambient temperature in the area where the thermostat is installed. The thermal elements are used to activate a contactor or circuit breaker which requires a mechanical switching element to close the circuit, allowing the controlled device to activate or deactivate.The 66L075-0343 thermostat is commonly used to control large heating systems, such as air conditioning units, forced warm air units, electric heating equipment, or radiant heating systems. In these applications, the device acts as a switch and will switch the system on and off depending on the temperature setting. The 66L075 thermostat has a temperature range of -20°C to 75°C (-4°F to 167°F). It is designed to provide control over heating and cooling systems.The 66L075-0343 is composed of a temperature-sensitive element, a switch activator, and a mechanical switch. The temperature-sensitive element is composed of a thermal bellows which expands and contracts in reaction to the ambient temperature. As the temperature increases or decreases the bellows contracts or expands respectively, activating the switch activator. This in turn causes the mechanical switch to move, which then controls the on/off state of the controlled device.The 66L075-0343 has several adjustable features. The thermostat can be adjusted for a setpoint between -20°C and 75°C and can be adjusted for differential between 1°C and 2°C. Additionally, the temperature scale can be adjusted from °F to °C, and the switch activities can be set to normally open (NO) or normally closed (NC). The thermostat also features a dual-function contactor that can be used to control both a cooling system and a heating system. The 66L075-0343 is UL-approved and designed to meet basic safety requirements, such as those for fire protection, shock protection, and automatic shut-off. The device is also designed for reliability and can withstand a wide range of temperature ranges, as well as significant shock and vibration. The 66L075-0343 mechanical thermostat is an ideal choice for applications requiring precise temperature control. Its accuracy and ability to reliably control both heating and cooling systems with a single device makes it a popular choice in many commercial and industrial applications. The thermostat is simple to install and its adjustable features make it easy to use. Additionally, its UL certification makes it a safe and reliable choice for many temperature-controlled systems.

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