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Solid state relays

The RS/RM series solid state relays include an LED indicator as a standard feature and are touch safe protected with a removable clip-on IP20 compliant cover. The relays carry output ratings up to 100 amps at voltages up to 600V ac. For mounting of cables with ring terminals, all input and output terminals are self-lifting and allow secure clamping of load cables up to 5 AWG, while retaining the touch-safety feature.

Carlo Gavazzi Automation Components, 750 Hastings Lane, Buffalo Grove, IL 60089; FAX 800 222-2659.

PCB relay

G5Q Power PCB Relays from this company are said to be small in size while offering high temperature and switching ratings. The product is rated UL Class F, with an ambient temperature rating of 105C maximum for high temperature applications. The G5Q can switch up to 10A and its low coil power consumption allows it to take less power to turn on. Featuring high isolation from coil to contact, the G5Q can withstand up to an 8kV impulse surge.

Omron Electronics, 1 Commerce Dr. Suite 250, Schaumburg, IL 60173; FAX (847) 843-7787;


The HAT 900 series is available in a 40A N.O. side and 30A N.C. side for switching current. Switching voltage is 28 or 277V dc at load. HP ratings are 1HP at 120V ac or 2HP at 277V ac. Switching coil voltages are ac and dc. Three mounting options are available for PCB, PCB/quick connect, and chassis mount. Coils are rated Class B as standard with a Class F option.

Hasco-Automatic Switch Components, 249-50 Jericho Tpke., Bellerose Village, NY 11001; FAX (516) 326-9125.

Protective relays

The WD series relays incorporate features that allow a single relay to be configured to several different sensing voltages, currents, and frequencies. The WD2759 voltage relay can be used in 120, 208, 277, or 480V single or three- phase systems and has built-in under and over voltage trip settings and adjustable time delays. DIN mounted relays are 3 x 3 inches, lightweight, inexpensive, and available in three different control voltages.

CII Technologies, Box 4422, Santa Barbara, CA 93140; FAX (805) 684-9679; .


Digital to Synchro Converters from this company are said to accept a 16 bit natural binary angle and convert it into three wire synchro or four wire resolver signals. Output voltages available are 90 or 11.8 V RMS L-L, 60 to 440 Hz. The product's digital inputs are said to be TTL/DTL compatible, and hybrid power amplifiers are used for the output.

Computer Conversions Corp., 6 Dunton Ct., East Northport, NY 11731; FAX (631) 261-3308; .

Distributed I/Os

Simatic ET 200iS is the latest addition to its ET200 line of distributed I/O units. The 200iS is designed for hazardous areas (Zone 1 or 2), enabling the unit to be used in process engineering. The product is said to be integrated in the control system via Profibus-DP, and a series of digital and analog electronic modules is also available.

Siemens, 333 Old Milton Pkwy., Alpharetta, GA 30005; [email protected] .

Subminiature switches

200B Series SMT Subminiature Toggle Switches from this company feature UL94VO materials with an internal O-ring seal which is said to withstand a wash process. The products are designed for use in automatic insertion equipment, and are available with standard gold terminals. The switches are rated at 0.4VA max @ 20V ac or dc maximum.

E-Switch, 7153 Northland Dr N, Brooklyn Park, MN 55428; FAX (763) 531-8235; .

Stepper motor drivers

UPS53 Series 5-phase stepper motor drivers are said to be ready to run right out of the box. The product features an integral power supply for direct connection to 115V ac line, and is said to provide a high drive current for higher speeds. Features include automatic current reduction at standstill to save power, step and direction or CW/CCW signals, driver overheat warning, and full or half-step drive selection.

Nyden, 2610-B N. First St., San Jose, CA 95134-2014; FAX (408) 232-7701; .

PCI boards

Daqboard/2000(TM)PCI data acquisition boards are a family of five products for high performance, multifunction data acquisition applications. The products can be used individually or in a system with the company's line of 35 DBK series signal conditioners. Signal termination options include 5B-style isolated I/O and Opto-22(R)style electromechanical relays, which are said to expand the application range of the product.

Iotech, 25971 Cannon Rd., Cleveland, OH 44146; FAX (440) 439-4093; .

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