Key Features

• KSD301 Bakelite temperature switch
• 250V 10A voltage/current
• Normal Open (NO) / Normal Close (NC) action type
• Available temperature range: 30°C - 130°C (Increasing by 5°C)
• Automatic reset
• Compact size: 3.3 x 1.2cm
• Insulation resistance: 100 Mohm
• Circuit resistance: 50 Mohm

Details

This reliable switch offers a voltage and current rating of 250V 10A. Both Normal Open (NO) or Normal Close (NC) are available to meet specific requirements. The temperature can be chosen from a range of 30°C to 130°C going up in increments of 5°C.

In addition to its automatic reset functionality, the switch has a compact size of 3.3 x 1.2cm, making it suitable for a wide range of applications. The Bakelite construction ensures durability and heat resistance, and the switch has an insulation resistance of 100 Mohm and a circuit resistance of 50 Mohm for reliable performance.

Difference Between NO and NC

Normal Open (NO) and Normal Close (NC) are terms used to describe the default state of electrical switches, such as the KSD301 Bakelite temperature switch. Understanding the differences between these two states is essential for selecting the appropriate switch for your application.

Normal Open (NO): In the default state, a Normal Open switch has an open circuit, meaning there is no electrical connection between the switch contacts. When the switch is activated (e.g., by reaching a certain temperature), the circuit closes, allowing current to flow. For example, a cooling fan in an electronic device might be connected to an NO switch, which would close the circuit and turn on the fan when the temperature reaches a specific threshold.

Normal Close (NC): In contrast, a Normal Close switch has a closed circuit in its default state, allowing current to flow between the switch contacts. When the switch is activated, the circuit opens, interrupting the flow of current. For example, an NC switch might be used in a heating system to control a heater. When the temperature reaches a predetermined level, the switch opens the circuit, turning off the heater and preventing the system from overheating.

Applications

The KSD301 Bakelite temperature switch is versatile and suitable for a variety of applications, such as:

• Water heaters and boilers: Ensures efficient temperature control and prevents overheating.
• Home appliances: Provides temperature protection and control in ovens, microwaves, and refrigerators.
• Industrial equipment: Monitors and regulates temperature in manufacturing processes, machinery, and control panels.
• Heating and cooling systems: Maintains the desired temperature in HVAC systems, air conditioners, and heat pumps.
• Electronics and power supplies: Offers thermal protection for power supply units, chargers, and battery packs.
• Automotive systems: Monitors and manages temperature in engines, radiators, and electronic components.
• Thermal protection for motors: Prevents overheating and damage to electric motors in various applications.