PS01-B

The Moiser PS01-B 1A 250V Varistor Reed Switch is an essential component in various electrical systems, designed to provide over-voltage protection and switch functions in one compact package. This versatile switch combines a varistor diode with a reed contact, making it suitable for use in applications requiring voltage protection and reliable switching.

The varistor diode in the Moiser PS01-B is a voltage-dependent semiconductor component that automatically regulates the voltage across it. When the input voltage exceeds a certain level, the varistor allows the excess energy to discharge through itself, preventing damage to connected components. This feature makes the switch particularly valuable in power supply systems and other applications where voltage spikes or surges may occur.

The reed contact in the Moiser PS01-B functions as a switch, with two metal contacts enclosed within a glass tube. When a magnetic field is applied to the switch, the contacts are attracted to each other and make contact. Conversely, when the magnetic field is removed, the contacts return to their original position, separating and opening the switch. This mechanical action allows for reliable and stable switching operation.

The Moiser PS01-B 1A 250V Varistor Reed Switch is designed for use in applications with a maximum input voltage of 250V and a maximum current of 1A. Its compact size, measuring approximately 28mm in diameter and 13mm in height, makes it ideal for use in confined spaces or applications where space is limited. The switch is constructed from high-quality materials and is designed for long-lasting performance, ensuring reliable operation even under heavy usage.

Overall, the Moiser PS01-B 1A 250V Varistor Reed Switch is an excellent choice for applications that require both voltage protection and reliable switching functions. Its combination of a varistor diode and a reed contact in a compact design makes it a valuable addition to various electrical systems, providing both safety and functionality.

The Moiser PS01-B 1A 250V Varistor Reed Switch is a protective device designed for use in electrical circuits. It provides overvoltage protection by breaking the circuit when the voltage exceeds a certain level. Here are some pros and cons of buying this device:

1. Overvoltage protection: The varistor reed switch protects the circuit from voltage surges or spikes that can damage sensitive components.

2. Self-restoring: Once the voltage returns to normal, the varistor reed switch automatically restores the circuit, allowing normal operation to continue.

3. Compact size: The PS01-B is a small and compact device, making it easy to install in various applications.

4. Wide voltage range: The device is designed to work with a wide range of voltages, making it versatile for use in different electrical systems.

1. Limited current capacity: The PS01-B is only rated for a maximum current of 1A, which may not be sufficient for high-current applications.

2. Single-pole, single-throw (SPST) switch: The device acts as a simple on-off switch when the voltage exceeds the limit, which may not be suitable for complex circuits requiring multiple switching functions.

3. Limited temperature range: The device is rated to operate in temperatures between -25 C and 70 C, which may not be suitable for extreme temperature applications.

The Moiser PS01-B 1A 250V Varistor Reed Switch is an effective protective device for electrical circuits that require overvoltage protection. Its compact size, self-restoring feature, and wide voltage range make it a versatile option for various applications. However, its limited current capacity, single-pole, single-throw switching function, and temperature range may not make it suitable for all applications.

If your electrical system requires overvoltage protection and you have a current requirement below 1A and your temperature range falls within the specified limit, the Moiser PS01-B 1A 250V Varistor Reed Switch is a suitable option. However, if you require higher current capacity or more complex switching functions, you may need to consider other types of overvoltage protection devices or circuit designs.

Details:

With a maximum amperage of 250a and durable glass material construction, this reed switch is built to last provide efficient performance. The Mosier PS01-B 1a, 250v varistor reed switch is a reliable and high-quality electrical component designed for various industrial commercial applications. This switch features a single pole throw psst contact configuration, making it easy to operate with its on/off method.

specifications indusswitch:

• brand: Mosier
• mpn: Ps01-b
• operation method: On/off
• type: Reed Switch
• maximum amperage: 250 A
• contact configuration: Single Pole Single Throw
• material: Glass
• number of circuits: 1-10

general indusswitch:

• category: Business & Industrial > Electrical Equipment Supplies > Magnetic Reed Switches

shipping indusswitch:

• carrier: usps
• service: usps ground advantage
• type: fixed
• class: standard
• transit: 5-10 days

returns indusswitch:

• method: money back
• time: 30 days
• policy: returns accepted
• paid by: seller

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• rating: 100.0%
• # reviews: 6381
• city: buda, texas

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offer indusswitch:

• in stock #: 2
• options: ship-to-home
• availability: in stock
• sold #: 13
• prices: $55.00–$132.77
• item condition:
  • Used
  • New – Open box
• started: september 18, 2025