Electrical Equipment & Systems
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Limit Alarm is field configurable.
Action Instruments, Inc.
San Diego, CA 92123
Jun 17, 2003 DIN-rail-mount Model WV108 provides 2 selectable relay output functions. It is powered by 9â€“30 Vdc and is field-configurable via DIP switches for DC voltages from ±20 mV to ±200 V and dc current inputs of ±10 or ±100 mA. Alarm outputs can be set as high or low alarms to operate in failsafe or non-failsafe modes. TouchCALâ„˘ technology provides electronic stability of microprocessor, enabling 100% adjustment of setpoints and deadbands.
DC/DC Converters offer efficiencies to 91%.
C & D Technologies
Mansfield, MA 02048-1151
Jun 17, 2003
Series ULQ single-output, quarter-brick DC/DC power converters are fully rated for 15, 20, and 25 A output currents and are aimed at 8-15 A applications. They deliver full rated output power/current at 70°C with 200 lfm air flow. Output voltages are 1.2, 1.5, 1.8, 2, 2.5, and 3.3 V. Input voltages are either 24 V or 48 V nom. All models offer 2250 Vdc isolation and line/load regulation of ±0.5%/±0.5% max. They meet UL/EN60950 safety requirements for BASIC insulation.
LDO Integrated Circuits provide power management.
Micrel Semiconductor Inc.
San Jose, CA 95131
Jun 17, 2003 Models MIC2213 and MIC2214 each consist of 2 low-dropout regulators, power-on reset supervisor, and open-drain driver with adjustable delay time. First regulator can source 150 mA of current, while second regulator can source 300 mA. Total current consumption is 48 µA. Suitable for portable applications, units are housed in 3 x 3 mm MicroLead Frameâ„˘ leadless package. They feature low dropout voltage of 120 mV at 150 mA and transient response of less than 10 µs.
Key Switches deliver over one million switching cycles.
ITT Industries, Cannon
Santa Ana, CA 92705
Jun 16, 2003 Series K6/K12 center-lit key switches offer switching voltage from 2â€“30 Vdc and switching currents from 10 uA to 100 mAdc. Contacts are cleaned during each actuation. Available with center-positioned, 3mm T1 and argus T1-LEDs, standard colors include yellow, green, red, and orange. The 3 mm LEDs are suitable for illuminating small surface on top of switch. Argus LEDs, in combination with reflector, deliver homogenous illumination.
Contacts suit thermocouple applications.
Positronic Industries, Inc.
Springfield, MO 65801 8247
Jun 16, 2003 Type K thermocouple crimp contacts, machined from solid bar stock, are suitable for company's Front Runner circular connectors and RD Series d-subminiature connectors.
LED Lamps provide full color in portable devices.
Fairchild Semiconductor Corp.
South Portland, ME 04106
Jun 16, 2003
Surface-mount QTLP650D-RGB is top illuminating for back-lighting and status indication. Side-illuminating, right-angle QTLP614C-RGB is for edge lighting LCD displays. Low profile QTLP650D-RGB and QTLP614C-RGB lamps have heights of 1.1 and 1.5 mm, respectively. Lamps provide red, green, or blue color output, and can mix RGB light sources for multi-color output. They may be used with company's LED driver ICs for full range of color and brightness control.
Matrix provides RS-232C and IEEE-4888 interfaces.
Matrix Systems Corp.
Calabasas, CA 91302 1440
Jun 16, 2003 Model 13761 bi-directional-random addressable matrix features front panel keypad control, LCD display, crosspoint verification, and redundant, pluggable power supply system. RS-422 unit features 8 x 10 x 16 balanced pair configuration, frequency response of DCâ€“10 MHz, and I/O impedance of 100 ohms nominal. IRIG matrix provides 8 x 10 coaxial configuration, frequency response greater than 10 MHz, and I/O impedance of 75 ohms nominal.
Cable Support simplifies cable installation.
Highland, IL 62249-1331
Jun 16, 2003 X-Hookâ„˘, with Xylan® coating for smooth, frictionless surface, eliminates need for cable rollers. It is suitable for pulling cable and for use in corners, drop-outs, or any direction change in cable run. Three sizes are available and include Qwik-Latchâ„˘ cable retainer.
Power Supply allows users to preload voltage setpoints.
Keithley Instruments, Inc., Test Instrumentation Group
Cleveland, OH 44139 1891
Jun 13, 2003 Model 2306-VS dual channel fast transient power supply with external triggering allows externally triggered output voltage level changes to reduce execution time compared to traditional GPIB/SCPI command and control. External triggering allows for synchronized and deterministic control of output voltages and measurements. Automated voltage stepping lets users preprogram set of voltage outputs and measurement readings.
Switching Power Supply provides 18 kW in 3U size.
Astec America Inc.
Carlsbad, CA 92008
Jun 13, 2003
AC-to-DC Model HPS3KW is housed in 5.25 in. bulk front end. Modules deliver 3000 W of output power at 85% efficiency and 19 in. rack can be configured with up to 6 devices for total of 18,000 W of power in less than 2,400 cu in. Single-output devices provide 48 Vdc output at 57 A. Modules accept ac input from 180 to 264 Vac and feature active power factor correction greater than 0.98 to meet EN61000-3-2 requirements for input current harmonic content.
Pushbutton Switch suits vital indicator applications.
Electro-Mech Components, Inc.
South El Monte, CA 91733 3689
Jun 13, 2003 With snap-action design, SW44188 SPST momentary contact switch incorporates lusterless black lens finish. Standard display legends are offered in 0.150 in. high type in standard colors; custom legends are also available. Display lighting includes choice of either T-1 ľ midget flange based LED or incandescent bulb. Switch ratings are 30 Vdc or 115 Vac, 1 A resistive, 0.25 A inductive. Additional features include operating pressure of 24 oz and and rated switch life of 50,000 minimum actuations.
Power Switch allows use of smaller size transformers.
South Portland, ME 04106
Jun 12, 2003 Model FS6X1220RT, suited for dc/dc forward or fly-back power supply applications, integrates fully avalanche-rated SenseFET with current mode PWM IC. Off-line power switch offers over-voltage, over-load, cycle-by-cycle current limit, and thermal shutdown protection. Product uses integrated 300 kHz oscillator and provides line-under voltage detection, remote sleep on/off, under-voltage lock out, and optimized blanking and gate turn-on/turn-off driver.
Converters boast power saving efficiency.
Linear Technology Corp.
Milpitas, CA 95035
Jun 12, 2003
LTC3734 and LTC3735 DC/DC converters have 550 kHz operating frequency and power Intel's Centrino® mobile technology for thin and light notebook PCs. Converters are synchronous step-down DC/DC controllers with integrated MOSFET drivers and Intel® Pentium® M compatible power saving mode. Single-phase and PolyPhase® units provide up to 20 and 40 A load current respectively, with input voltages ranging from 4 to 30 V.
Solid-State Relays reduce heat sink requirements.
San Diego, CA 92154
Jun 12, 2003
Offered with integrated, removable finger-proof covers, CW24 and CW48 provide LED status indication and universal connectors. Available in steady-state current ratings of 10, 25, 50, 90, and 125 A rms, products have high surge ratings in silicon-controlled rectifier, AC-switch output configuration. Series CW48 and CW24 have respective blocking ratings of 1,200 and 600 Vpk and come in universal package with 4,000 Vrms isolated metal, base plate construction.
Molded Cordsets incorporate NEMA plug.
Oskaloosa, IA 52577-0115
Jun 12, 2003
UL-listed, CSA-certified Interpower(TM) NEMA 5-20P cordsets are suited for equipment rated up to 20 A with service at 125 Vac. Available with 2.5 m of 3 x 12 AWG, SJT cable, products are configured with NEMA 5-20 plug and are terminated with 3 different (left, right, and straight) angled IEC 60320 C19 connectors, allowing designers to reduce clearance space required behind or under equipment. Applications include power servers, disc drive systems, and industrial equipment.
Miniature CCFL Lamp backlights flat panel displays.
JKL Components Corp.
Pacoima, CA 91331-2376
Jun 12, 2003 Model BF2440 measures 2.4 mm in diameter and 440 mm long. It provides even illumination of tri-stimulus RGB white light across entire length. Generating 30,000 cd/m˛, product consumes less than 1 W and provides lamp life of 20,000 hr at standard operating current. Benefits also include stable electrical and optical characteristics, cool operation, and shock and vibration resistance of over 100 Gs.
Remote Displays offer 10 levels of brightness.
Cardinal Scale Co.
Webb City, MO 64870
Jun 11, 2003 Models SB-500 and SB-500M are 5 in., high-intensity LED displays, viewable in direct sunlight with viewing angle of 140°. Brightness levels change intensity automatically for day and night settings via ambient light sensors. Painted mild steel, weatherproof enclosures meet NEMA 4/IP65 requirements. Model SB-500 utilizes autolearn mode allowing it to plug and play with digital indicator via RS-232 connection, 20mA, or RS422/485. Model SB-500M employs message board capabilities.
Power Supply suits DeviceNet(TM) applications.
Skokie, IL 60077
Jun 11, 2003
Model SDN4-24-100P class 2, 4 A power supply includes no-switch auto select input, Power Factor Correction to EN1000-3-2 for Europe, Sag Immunity performance to SEMI F47 at 120 and 220 V, and DC OK signal. Unit resists effects of shock, vibration, and power quality problems.
Ferrous Metal Sensing Switch measures 0.324 in. long.
Reed Switch Developments Corp.
Racine, WI 53408
Jun 11, 2003
FerroSense(TM) ferrous metal sensing switch utilizes Magnasphere(TM) technology and measures 0.263 in. dia x 0.324 in. long. Switch does not require use of separate magnet, additional filtering components, or power source to operate.
Pull Switch provides emergency stop signaling.
Honeywell Sensing and Control
Golden Valley, MN 55422
Jun 11, 2003
Series 1CPS Safety Cable Pull Switch can operate at typical cable span of 250 ft in environment with temperature change of ±30°F when endspring is used. Internal mechanism latches on both slackened cable and pulled cable, eliminating unidentified nuisance stops caused by intermittent slack cable due to temperature variations or vibration. Device is CE marked, and UL and CSA tested. LED status indicator is available. Gold-plated contacts are optional.
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