1PB403-T

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Snap action, limit switches are an important element in safety systems and automated processes. They are used for error tolerance and redundancy in systems. 1PB403-T is a snap action, limit switch with a wide range of applications and robust construction. In this article, we will discuss the application field and working principle of the 1PB403-T.

The 1PB403-T provides a reliable solution for a variety of applications that require mechanical limit switches with clearly defined contact closure and opening points. These include industrial control and automation, machine tool operations, material handling, safety switches and monitoring. Its mechanical construction ensures a long service life and robust performance in harsh and abusive conditions. Its rugged and durable construction ensures reliable performance in a wide variety of environments with a wide range of temperatures and pressures. It is also resistant to shock and vibration.

The 1PB403-T has a wide range of operating temperature ranges, from -40° C to +85° C, and a wide operating distance range of up to 10 millimetres. It can also be configured with AC or DC control and either plastic or metal construction. As a manual action switch, the 1PB403-T provides a convenient override mode, as well as high voltage protection and built-in arc protection.

The working principle of the 1PB403-T is based on a system of two pilot contact systems. One of the pilot contact systems is a plunger and spring mechanism that engages the interior contacts when the switch is activated. The other pilot contact system is an armature and spring mechanism that disengages the interior contacts when the switch is deactivated. When the switch is activated, the plunger and armature are moved apart, activating the two internal contacts. This closes the circuit, allowing power to flow through. When the switch is deactivated, the plunger and armature are moved together, deactivating the two internal contacts and breaking the circuit, which prevents power from flowing through.

The 1PB403-T is also equipped with two separate contact systems: a normally open (NO) contact and a normally closed (NC) contact. This allows the switch to be used in a variety of configurations: a single NO or NC contact, or a double NO or NC contact system. The double contact system allows for redundancy, increasing the life of the switch and providing an extra safety measure. A built-in locking mechanism further increases the security of the switch. The 1PB403-T also includes an LED indicator for visual confirmation of proper operation.

Overall, the 1PB403-T is a reliable and robust snap action, limit switch that can be used in a wide range of applications. Its wide operating temperature and distance ranges, AC/DC control and robust construction make it suitable for any application. Its two contact systems make it versatile, while its locking mechanism and LED indicator make it more secure and reliable. It is a great choice for any application requiring a reliable switch.

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