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Sigma Enterprises
location Sector 12, Noida, Uttar Pradesh

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Our Products

  1. Sensors 7 Products available
  2. Computer Hardware & Peripherals 7 Products available
  3. Limit Switches 2 Products available
  4. Magnetic Switch 2 Products available
  5. Relays 1 Products available
  6. Rotary Switches 1 Products available
  7. Sensors And Transducers 1 Products available
  8. Temperature Controller 1 Products available
  9. Transmitter Device 1 Products available
  10. Measuring Instruments & Equipment 1 Products available
  11. Electrical Switches 1 Products available
  12. Inverters, UPS & Converters 1 Products available
  13. Micro Switches 1 Products available
  14. Flow Switches 1 Products available
  15. Electric Fittings And Components 1 Products available
  16. Electric Control Panels 1 Products available
  17. Safety Switches 1 Products available
  18. Domestic Fans, AC & Coolers 1 Products available
  19. Rocker Switches 1 Products available
  20. Others Products 1 Products available

Magnetic Switch

We are leaders in the market for providing best range of Reed Switches, Magnetic Contact Switches and Glass Reed Switch

Reed Switches

Reed Switches

We are leading dealer and distributor of Reed switches in Noida, Greater Noida and Ghaziabad.A dry-reed switch assembly contains ferromagnetic contact blades, hermetically sealed in a glass envelope which is filled with an inert gas. The switch is operated by an externally generated magnetic field, either from a coil or permanent magnet.

  • Automotive parts: doors, sun roof, liuid level and position sensing, etc.
  • Security for doors, windows, detection of smoke
  • Toys: electronic board games, LEGO sensors, bicycle speedometers
  • Industrial applications: pressure gauges, flow meters, key-knob switches
  • Domestic appliances: coffee machines, humidifiers, water and detergent sensing in washing machines and dish washers
  • Electronics: Notebook computers, cellular phones, copiers, etc.

Features
  • Long life
  • Contacts isolated from the environment
  • Superior glass-to-metal seal
  • Ambient operating temperature -55 to +125C
  • Low operating power
  • Plated or sputtered ruthenium on diffused gold for very low and stable contact resistance
  • Better than 1012open resistance
  • Low cost compared with other magnetic devices
  • UL recognition for most types

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Magnetic Contact Switches

Magnetic Contact Switches
We are leading dealer and distributor of Magnetic Contact Switches in Noida, Greater Noida and Ghaziabad.Magnetic Contact Switches can be added to existing wired Alarm Systems. They are ideal for protecting doors, windows and patio doors and any opening device such as a drawer or cupboard for example. In the event of contact being broken then the alarm will be activated immediately. Magnetic Contacts are perfect for use in situations where it is not suitable to fit PIR sensors, for example where there are pets or animals.
Magnetic Contact Switches when paired with permanent magnets present an ideal method of sensing and detecting movement, proximity, metal detection, and liquid level and flow measurement.
Magnetic Contact Switches come in hundreds of different sizes and shapes to meet a multitude of different application requirements. Reed Sensors are available in contact forms A, B, C, D, & E with power ratings up to 100W. They do well in long operating life applications if switching relatively low voltages and currents with life expectancy up to 1 billion operations.
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