By Type. High Pressure Switch Normally Open - High Pressure (2601251 Actuation Pressure: 66 PSI: Circuit Position: Normally Closed at 0 Pressure: Design: Single Pole, Two Terminal: Pole Size: 1/8-27 NPT: OEM Number: 13241A Distributor Inventory. Below left is Series BST-NO, which is the 1/2" version. Product Unavailable for Purchase Product Unavailable for Purchase. $17.60 $ 17. This pressure switch also comes with glass reinforced polyester cover, brass base and 2 screw terminal. It features a Kapton diaphragm for compatibility with a wide variety of fluids, and various terminations including a Metri-Pack connector that forms a tight seal when connected. It is specifically designed to stand up to extended duty applications. Return Policy: We do accept returns, so buy with confidence. FAST 'N FREE. Sign up to receive exclusive communications from Honeywell including product updates, technical information, new offerings, events and news, surveys, special offers, and related topics via telephone, email, and other forms of electronic communication. Low Air Pressure Switch, Normally Open Used on Freightliner Century and Columbia Thread: 1/8" NPT Normally Open Actuates between 65-75 PSI. Home / Switches -Relays - Resistors - Breakers & More / Switches / Pressure Switch / Normally Open - High Pressure High Pressure Switch with Normally Open 4379-RD564300 (2601259) $ 21.50 Set Point: Rising pressure at which switch actuates. © 2021 WIKA Alexander Wiegand SE & Co. KG. (12) 12 product ratings - NEW LEFOO Pressure Switch Air Compressor 90-120 psi 1 PORT adjustable. Adjustment ranges 0.5 to 100 PSI or 1 to 28" Hg. These units produce a pneumatic signal up to 150 psi at any sensing pressure within their adjustment range. Adjustment ranges 0.5 to 100 PSI or 1 to 28" Hg. By continuing to use it, you agree to their use. Follow the calibration video to obtain the most accurate results. 4.1 out of 5 stars 14. While pressure switches are used in a number of applications, the following post will focus specifically on how they are used in the asse… Switch contacts are closed (conducting) at ambient pressure. This switch is factory set but capable of field adjustment. Apart from “normally open”, manufacturers of pressure switches offer a wide range of switching functions for all applications, such as “normally closed” or “change-over”. Cross References: 577.46606, 57746606, 1749-1907, 17491907, FSC-1749-1907, FSC17491907, S-20677, S20677 “Normally open contacts” or switches with the “normally open” switching function are well-known in daily life – such as with light switches. Maximum pressure 100 PSI or maximum vacuum 29.9" Hg. Mechanical pressure switches are often used for the direct control of larger loads, such as motors or pumps since, depending on their design, they often feature a sufficient switching current. They use air pressure … NC: Normally Closed. Only 1 left! What is meant by the switching function “hysteresis” with electronic pressure switches. Returns must have prior approval, please send email for instructions on returns. A “normally open contact” changes its switching status from “open” to “closed” when it exceeds the set switch point. This switch is factory set but capable of field adjustment. Normally open switches: If the air pressure switch being tested is a normally open switch, it must close it’s contacts (activate) before ignition can occur. Air Operated Electric Switches Pneumadyne's UL approved Air Operated Electric Switch is an excellent way to provide an interface between your pneumatic system and electrical controls. Applications include natural, manufactured or LP gas. The switches are single pole, double throw for normally open, normally closed, and common terminals which are available from 0.1 to 25 AMP; 15 AMP is standard. The PLC drives the safety function with a separate circuit. The WIKA news subscription informs you, free of charge, by e-mail whenever there is a new blog article. Switches are double pole, single throw and normally closed (DPST-NC), so they switch two circuits from on to off.. Switches with air exhaust valve let you release the compressed air after use. Get it as soon as Mon, Jan 11. The “normally open” switching function is widely used in industrial applications, since it enables direct control of a safety or control function. For low current applications, gold contact and solid-state switches are available. Electronic pressure switches, and also mechanical pressure switches with gold contacts, are nowadays usually monitored by a PLC or central control system. When a pressure switch with “normally open” function detects that a critical pressure value has been reached, i.e. 90. https://www.grainger.com/.../WOLO-Air-Pressure-Switch-3FHX3 Analyzer Flow Switch/Monitors -- FS10A from Fluid Components Intl. Pressure switches (for example, a “normally open contact”), are often used for the monitoring and control of safety functions in order to signal any over or underpressure, and thus to prevent any damage to the machinery or the system. In PSI (pounds per square inch). Simply define what subjects interest you and you'll be kept up-to-date! Easy online ordering for the ones who get it done along with 24/7 customer service, free technical support & more. 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