The patented Model 2600 flow switch operates by a two-mode design: set point and by-pass. The set point is achieved by either increasing or decreasing liquid flow at the calibrated set point of the flow switch. A magnet-equipped shuttle that is displaced at the calibrated set point actuates the hermetically sealed reed switch, which is housed within a removable bonnet assembly. The by-pass mode allows for high flow yet still maintains a very low pressure drop. Made of PVC, stainless steel and ceramic, the Model 2600 can handle temperatures to 140°F and pressures to 150 psig. Process and connections are in-line 2-in. slip ports. A variety of adapters are available to reduce down as necessary. Standard wet set points are available in 0.5 gpm, 1.0 gpm and 2.0 gpm.
Thomas Products Ltd, Southington, CT. Free info—Circle 299.
www.rsleads.com/202df-299
Safety relays. The PMUT X1P muting controller has been added to the PNOZ X-range of safety relays. The unit can be used with all types of muting sensors, including optical sensors and proximity switches.
Pilz Automation Safety LP, Canton, MI. Free info—Circle 287.
www.rsleads.com/202df-287
Potentiometer switch. The PA 400 potentiometer switch is environmentally sealed with transfer-molded epoxy resin and an O-ringed shaft. It is resistant to elevated temperatures, corrosion, water moisture and bodily fluids.
Wilbrecht Electronics Inc, St Paul, MN. Free info—Circle 280.
www.rsleads.com/202df-280
Pressure switch. The Model 33D pressure switch provides reliable switching and long life up to 100 million cycles. It is available in ranges from vacuum to 10,000 psi and is fully programmable for NO, NC or window mode operation. A real-time LCD display with selectable pressure units features an amber backlight for high visibility. The switch features programmable delays, LED status indication, tamper protection and M12 electrical connector.
Herion USA, Warrendale, PA. Free info—Circle 297.
www.rsleads.com/202df-297
Relay assemblies. These solid-state relay assemblies are rated for 60-amp loads. Available in a variety of models, these relays accept controller inputs of either 3.5-32 VDC or 90-280 volts VAC. Load currents range from 0.02 to 60 amps DC.
HBControls Inc, Bridgewater, MA. Free info—Circle 283.
www.rsleads.com/202df-283
Motor starting switches. MS Series motor starting switches are available in metal NEMA 1 enclosures. They are used in industrial MRO and OEM applications, including manual ON/OFF switching control of conveyor lines.
Leviton Manufacturing Co, Little Neck, NY. Free info—Circle 284.
www.rsleads.com/202df-284
Switch control solutions. The Master Catalog 100 includes a fax-back form to help designers describe their switching needs and receive specific information to their applications. Featuring switch control solutions for front-panel integrated assemblies and inserts, the catalog includes these components as well as displays, active and passive components, and connectors from other sources as part of its solutions offerings.
EAO Switch Corp, Milford, CT. Free info—Circle 293.
www.rsleads.com/202df-293
Tuning fork level switch. The LZ10 switch is designed for installation through the wall or inside a tank. It is suitable for applications with light- to medium-coating or scaling-type characteristics, including light sodium hydroxide. Flowline, Los Alamitos, CA.
Free info—Circle 286. www.rsleads.com/202df-286
Pushbutton switches. The Series 76-95 switches can handle heavy electrical loads in harsh environments. The main switch body and button are created using stainless steel with front-mount styling.
ITW Switches, an Illinois Tool Works Co Inc, Harwood Heights, IL.
Free info—Circle 285. www.rsleads.com/202df-285
Screwless terminal socket. The PYF-S screwless terminal socket for the MY family of relays features a simple procedure that eliminates time-consuming relay wiring jobs. The screwless PYF-S procedure involves inserting a screwdriver, the wire and then removing the screwdriver. By pulling down on the clip and release lever, the relay mounted on the socket pops out for one-touch dismounting.
Omron Electronics LLC, Schaumburg, IL. Free info—Circle 294.
www.rsleads.com/202df-294
Monitor/relay. The SLU universal phase monitor/relay protects against over/under voltage, phase loss, unbalance and phase sequence. The SLU features universal input, allowing for operation over a wide voltage range (200-500V, three-phase). Also included in the unit is an adjustable restart delay and an adjustable fault delay. The unit’s Line-Line voltage adjustment is set to the appropriate nominal voltage and frequency scale.
ATC-Diversified Electronics, Leesburg, FL. Free info—Circle 295.
www.RSLeads.com/?202df-295
Safety switches. The HS series interlock switches are tamper-proof and conform to OSHA recommendations for doors and access gates. The HE series three-position enabling switches comply with ANSI and RIA requirements for robotic equipment.
Idec Corp, Sunnyvale, CA. Free info—Circle 289. www.rsleads.com/202df-289
Rocker switches. GW series ultra-thin, ultra-miniature PC-mounted rocker switches feature the company’s STC contact mechanism, which results in crisp and positive actuation. It consists of a coil spring, plunger and plastic detent.
NKK Switches, Scottsdale, AZ. Free info—Circle 290.
www.rsleads.com/202df-290
Toggle, rocker and slide switches. This line of toggle, rocker and slide switches includes miniature, sealed and subminiature units. The switches are offered with a choice of actuators, bushings and mounting configurations for panel or PCB mounting. Available with silver or gold contacts, the switches can be used in power or low level, dry circuit applications. Applications include telecommunications, medical equipment and controls.
Grayhill Inc, La Grange, IL. Free info—Circle 296.
www.rsleads.com/202df-296
Ultrasonic level switches. The single-point ULS-50 Series switches incorporate submersible IP68 housings of either polypropylene or PFA Teflon. FET or relay output provides a reliable switch interface with remote devices.
Gems Sensors Inc, Plainville, CT. Free info—Circle 291.
www.rsleads.com/202df-291
Flyback transformer. The Model 4283-1200 Hi-Voltage Flyback transformer is capable of powering portable applications that require up to 2000 Vrms. It can be used in such applications as portable defibrillators.
Datatronics Romoland Inc, Romoland, CA. Free info—Circle 281.
www.rsleads.com/202df-281
Narrow safety relay. The PSR safety relays in the ME 22.5mm housing are equipped with two release current paths and one signal current path, with reinforced isolation from each other. The safety circuit is controlled with one or two channels, with or without cross circuit detection. All field connections are pluggable and coded, offering wiring convenience and reliability. The modules meet the requirements of the standard EN954-1 Category 4 and can be used for the Stop category 0 in accordance with EN60204.
Phoenix Contact, Harrisburg, PA. www.rsleads.com/202df-780
Vibration monitoring.
The Model 8810 K-Guard is a stand-alone electronic vibration monitoring device that guards rotating machinery and other equipment against excessive vibration levels caused by imbalance, misalign-ment, etc. Kistler Instrument Co, Amherst, NY.
Free info—Circle 282. www.RSLeads.com/?202df-282
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Top Product
Safety relays. The PMUT X1P muting controller has been added to the PNOZ X-range of safety relays. The unit can be used with all types of muting sensors, including optical sensors and proximity switches.
Pilz Automation Safety LP, Canton, MI. Free info—Circle 287.
Potentiometer switch. The PA 400 potentiometer switch is environmentally sealed with transfer-molded epoxy resin and an O-ringed shaft. It is resistant to elevated temperatures, corrosion, water moisture and bodily fluids.
Wilbrecht Electronics Inc, St Paul, MN. Free info—Circle 280.
Pressure switch. The Model 33D pressure switch provides reliable switching and long life up to 100 million cycles. It is available in ranges from vacuum to 10,000 psi and is fully programmable for NO, NC or window mode operation. A real-time LCD display with selectable pressure units features an amber backlight for high visibility. The switch features programmable delays, LED status indication, tamper protection and M12 electrical connector.
Herion USA, Warrendale, PA. Free info—Circle 297.
Relay assemblies. These solid-state relay assemblies are rated for 60-amp loads. Available in a variety of models, these relays accept controller inputs of either 3.5-32 VDC or 90-280 volts VAC. Load currents range from 0.02 to 60 amps DC.
HBControls Inc, Bridgewater, MA. Free info—Circle 283.
Motor starting switches. MS Series motor starting switches are available in metal NEMA 1 enclosures. They are used in industrial MRO and OEM applications, including manual ON/OFF switching control of conveyor lines.
Leviton Manufacturing Co, Little Neck, NY. Free info—Circle 284.
Switch control solutions. The Master Catalog 100 includes a fax-back form to help designers describe their switching needs and receive specific information to their applications. Featuring switch control solutions for front-panel integrated assemblies and inserts, the catalog includes these components as well as displays, active and passive components, and connectors from other sources as part of its solutions offerings.
EAO Switch Corp, Milford, CT. Free info—Circle 293.
Tuning fork level switch. The LZ10 switch is designed for installation through the wall or inside a tank. It is suitable for applications with light- to medium-coating or scaling-type characteristics, including light sodium hydroxide. Flowline, Los Alamitos, CA.
Free info—Circle 286. 
Pushbutton switches. The Series 76-95 switches can handle heavy electrical loads in harsh environments. The main switch body and button are created using stainless steel with front-mount styling.
ITW Switches, an Illinois Tool Works Co Inc, Harwood Heights, IL.
Free info—Circle 285. 
Screwless terminal socket. The PYF-S screwless terminal socket for the MY family of relays features a simple procedure that eliminates time-consuming relay wiring jobs. The screwless PYF-S procedure involves inserting a screwdriver, the wire and then removing the screwdriver. By pulling down on the clip and release lever, the relay mounted on the socket pops out for one-touch dismounting.
Omron Electronics LLC, Schaumburg, IL. Free info—Circle 294.
Monitor/relay. The SLU universal phase monitor/relay protects against over/under voltage, phase loss, unbalance and phase sequence. The SLU features universal input, allowing for operation over a wide voltage range (200-500V, three-phase). Also included in the unit is an adjustable restart delay and an adjustable fault delay. The unit’s Line-Line voltage adjustment is set to the appropriate nominal voltage and frequency scale.
ATC-Diversified Electronics, Leesburg, FL. Free info—Circle 295.
Safety switches. The HS series interlock switches are tamper-proof and conform to OSHA recommendations for doors and access gates. The HE series three-position enabling switches comply with ANSI and RIA requirements for robotic equipment.
Idec Corp, Sunnyvale, CA. Free info—Circle 289. 
Rocker switches. GW series ultra-thin, ultra-miniature PC-mounted rocker switches feature the company’s STC contact mechanism, which results in crisp and positive actuation. It consists of a coil spring, plunger and plastic detent.
NKK Switches, Scottsdale, AZ. Free info—Circle 290.
Toggle, rocker and slide switches. This line of toggle, rocker and slide switches includes miniature, sealed and subminiature units. The switches are offered with a choice of actuators, bushings and mounting configurations for panel or PCB mounting. Available with silver or gold contacts, the switches can be used in power or low level, dry circuit applications. Applications include telecommunications, medical equipment and controls.
Grayhill Inc, La Grange, IL. Free info—Circle 296.
Ultrasonic level switches. The single-point ULS-50 Series switches incorporate submersible IP68 housings of either polypropylene or PFA Teflon. FET or relay output provides a reliable switch interface with remote devices.
Gems Sensors Inc, Plainville, CT. Free info—Circle 291.
Flyback transformer. The Model 4283-1200 Hi-Voltage Flyback transformer is capable of powering portable applications that require up to 2000 Vrms. It can be used in such applications as portable defibrillators.
Datatronics Romoland Inc, Romoland, CA. Free info—Circle 281.
Narrow safety relay. The PSR safety relays in the ME 22.5mm housing are equipped with two release current paths and one signal current path, with reinforced isolation from each other. The safety circuit is controlled with one or two channels, with or without cross circuit detection. All field connections are pluggable and coded, offering wiring convenience and reliability. The modules meet the requirements of the standard EN954-1 Category 4 and can be used for the Stop category 0 in accordance with EN60204.
Phoenix Contact, Harrisburg, PA. 
Vibration monitoring.
The Model 8810 K-Guard is a stand-alone electronic vibration monitoring device that guards rotating machinery and other equipment against excessive vibration levels caused by imbalance, misalign-ment, etc. Kistler Instrument Co, Amherst, NY.
Free info—Circle 282.