Relay Drivers
Control the energized state of relays.
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Big Easy Driver
The Big Easy Driver, designed by Brian Schmalz, is a stepper motor driver board for bi-polar stepper motors up to a max 2A/phase. It is based on the Allegro A4988 stepper driver chip. It's the next version of the popular Easy Driver board.
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Laser Diode Driver
S-101
LD Driver slot module of FOTS system is an efficient module that is user centered, which can drive various kinds of laser diode for the use of optical signal transmission or light source. The module has a built in LD socket, in which LD of 14 pin butterfly type is installed, which makes it possible for the user to change the LD he or she wants to drive when needed. It is leaded to get rid of the inefficiency of expense, at which various types of expensive united source module needed are purchased. By operating monitoring PD and high-performance processor that are installed inside the module, the output power and temperature of LD can be driven accurately and stably. The laser diodes can be modulated internally in square, sinusoidal, and triangular waves and its output power and temperature can also be maintained the level set by the user. In order to realize the various functions, the efficient and multi-functioned control programs with high speed processor, LCD monitor or GUI for remote control are available.
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Miniature Instantaneous Relays
CU-D Series
Heavy duty miniature power relays for demanding applications, switching of AC&DC voltages, resistive and/or inductive loads. Equippedwith weld no transfer contacts.
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Microwave Relays
CXM/2x2
CXM/2x2-F-SMA Microwave Relays have a Normally Closed (NC = OFF) and Normally Open (NO = ON) Position as shown in the drawing on the left. They can also be used as a terminated 2x1 relay. Usefull for swapping signals between devices, reversing signal flow or interfacing to larger configurations. Specifications Bandpass DC to 18 GHz Insertion Loss 0.3 dB @1 GHz, 0.8 dB @ 18 GHz VSWR 1.2:1 @ 1 GHz, 1.5:1 @ 18 GHz Isolation -80 dB @ 1 GHz, -60 dB @ 18 GHz
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Instantaneous Power Relays
D series
Heavy duty relays for demanding applications, switching of AC&DC voltages, resistive and/or inductive loads.
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Three-Phase Relay Tester
PTE-50-CET
The equipment comprises of three independent output channels that can be selected as current or voltage. This enables the unit to be used as a complete single-phase equipment (voltage, current, and phase angle between them) or, with channels synchronised, as a three phase current or three phase voltage generator from a single phase mains input.
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PXI/PXIe Microwave Relay, Single SPDT, 12.4 GHz, 50 Ω, N-Type, Failsafe
42-780B-511
The 40-780B-511 (PXI) and 42-780B-511 (PXIe) are single failsafe SPDT 12.4GHz unterminated microwave relay modules. The 40/42-780B range is available with one, two, three or four SPDT switches capable of switching frequencies up to 67 GHz in 50 Ω or 2.5 GHz in 75 Ω. Connections are made via front panel mounted high quality RF coaxial connectors, SMA or N-Type for 50 Ω and 1.6/5.6 in 75 Ω versions. Remote versions are also available which can support up to three SPDT relays in a single slot.
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PXI General Purpose 2A Relay Module 16xSPDT, 50 D-sub
40-131-001
These low cost, general purpose electromechanical relay cards are capable of switching voltages up to 300VDC/250VAC and current up to 2A. They are suitable for use where reed relay based switching cards do not have sufficient voltage or current carrying capability. Applications include the switching of medium power AC and DC loads, or slave switching larger relays, contactors or solenoids. Connections are made to the card via a front panel mounted 50 pin D-Type connector plug.
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Current Protection Relay
The main earth fault protection relays in distributions systems, power stations & large manufacturing / processing plants can fail to detect a high impedance break down to earth causing hazard to human life & potential damage to plant & equipment. In these & other situations demanding extra sensitive earth fault protection, using solid state techniques, can be applied to detect earth currents down to 0.5% of the CT nominal current.
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PO3000 Type Relays
Mors Smitt manufacture the full range of PO3000 (Post Office) type relays including enclosed Keyswitch style variants, AC & DC Filament Switching Relays, Protection Relays and Telecom Relays used in many industries including Rail and Power Utilities. The high efficiency, proven reliability and compact design of these relays make them admirably suitable for many applications.
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Software Drivers and Application Software Packages
In test system development, the best hardware is only usable if its software control environment is robust and easy-to-use. If you are a test system developer, you need to look at both the hardware and software aspects of your vendors of choice.
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High-Frequency Signal Relays
Panasonic Industrial Devices Sales Company of America
Panasonic offers a variety of Signal Relays that can switch high-frequency signals. These products are ideal for applications including radio frequency switching, test and measurement, communication and more.
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Control Driver
Citizen Chiba Precision Co., Ltd.
High functioning and compact driver for motors and actuators
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Current Differential Relay
SEL-587
Schweitzer Engineering Laboratories, Inc.
The SEL-587 Current Differential/Overcurrent Relay provides protection for any two-input apparatus, such as transformers, motors, generators, and reactors. Apply it for differential and overcurrent protection and use event reports for quick post-event analysis.
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DrMOS (Driver + FET)
Renesas' high-performance DrMOS power modules combine a high-performance FET driver and MOSFETs in an advanced package to create high-density DC/DC converters.
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LXI Reed Relay Matrix - Single 128x4 Plugin, Direct Y Access, 6 Analog Buses
65-221-012
The range includes four plug-in models covering matrices of up to 1,536x4 in increments of 128 (model 65-221), 768x8 in increments of 64 (model 65-223), 384x16 in increments of 32 (model 65-225), and 192x32 in increments of 32 (model 65-227). Users can specify as many or as few plug-in modules (up to six) required and can field upgrade the chassis to extend the matrix when necessary. Another important feature is that over 1,500 relays can be closed simultaneously for specific conditions for parametric testing.
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Protection Relay Test Set
HT-802 / 301
Wuhan Huatian Electric Power Automation Co., Ltd.
Special instrument for microcomputer relay protection test of microcomputer industrial control machine.
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PXI 2A Relay Module 26xDPDT
40-139-202
The 40-139 2A Relay Series is suitable for applications requiring medium power switching with high density.Featuring 2A current capacity and voltages to 300VDC/250VAC it is useful for cost critical applications.
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Single-in-Line Reed Relays
Series 116
SIL relays - Smallest board area. 1A version requires 0.15 x 0.27 inches .(3.8mm x 6.8mm). 1 or 2 switches with 10 Watts rating. 5 or 12 Volt coils with optional diode
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PXI/PXIe Power Relay Module, 16xSPDT
40-158-003-HI
The 40/42-158-003-HI is a PXI/PXIe high density power relay module with 16xSPDT switches rated at 5A and includes the hardware interlock option. User connection is via a 50-pin SGMC male connector, hardware interlock is via a 4-pin 00 series socket (mating plug is supplied). The 40/42-158 range is available in 8, 16, 24 or 32 SPST configurations with or without hardware interlock. Electro-mechanical power relays are used which are suitable for switching loads up to 5A at 250VAC.
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Motor Protection Relay
239
The 239 relay is designed to fully protect three phase AC motors against conditions which can cause damage. In addition to motor protection, therelay has features that can protect associated mechanical equipment, give an alarm before damage results from a process malfunction, diagnose problemsafter a fault and allow verification of correct relay operation during routine maintenance.
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PXI/PXIe Microwave Relay, Dual SPDT, 50 GHz, 50 Ω, SMA-2.4, External Termination, Failsafe, Remote Mount
42-781A-722-E
The 40-781A-722-E (PXI) and 42-781A-722-E (PXIe) are dual failsafe SPDT 50 GHz microwave relay modules with external terminations and remotely mounted relays. The 40/42-781A range is available with one or two SPDT switches capable of switching frequencies up to 50 GHz in 50 Ω. They are available with either internal or external terminations and connections are via front panel mounted high quality SMA, SMA 2.9 or SMA 2.4 connectors.
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Timer Relays
A Timer Relay is a combination of an electromechanical output relay and a control circuit. The contacts will open or close before or after a pre-selected, timed interval.
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Relay Circuit Tester
RCT76
Quickly identify electrical problems in an entire circuit at the push of a button. Test the component on a circuit to determine if it is functioning correctly.
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Battery Voltage Relay
BVR
Battery Voltage Relays supply alarm indications at precise voltages for undervoltage and overvoltage conditions. The BVR is designed to prevent damage and incorrect operation during anticipation transient conditions.
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Relays
PhotoMOS®
Panasonic Industrial Devices Sales Company of America
Panasonic PhotoMOS® Relays are MOSFET-enabled Solid State Relays featuring low off-state leakage current and stable on-resistance over the component lifetime. Low CxR values, high optical isolation between input and output, and DC and AC / DC load ratings. MOSFET drivers available in SSOP, SOP 4-pin, and DIP 6-pin.
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SIMRC - 16 x Uncommitted Reed Relay, SPST
1010-R-16-1-5/1D
Our small format embedded switching (SIM relay) cards offer a choice of switching configurations using low cost industry standard SIM connectors. They free the designer from the detail of routing complex switching circuits, you may select from a wide range of cards using the built in RS-232 and I2C interfaces. These low-cost embedded switching cards are intended to be mounted on to a simple motherboard. They may be used to construct very high density switching networks. SIM based switching cards also allow for very simple in-field maintenance.
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Protection Relay Testing Equipment
S40A
S40A is a type of 3-phase protection relay test kit, with 3×40A, 3×300V, and also a local control system. It is a portable and economic secondary injection tester, and easy to use.
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Measuring & Monitoring Relays
Fixed or adjustable threshold for low level or high level voltage or current monitoring.
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PXI/PXIe Power Relay Module, 25xSPST, 5 Amp, 50-pin SGMC Connector
42-153-003
The 40/42-153-003 is a PXI/PXIe high density power relay module with 25xSPST switches rated at 5A. User connection is via a 50-pin SGMC male connector. The 40/42-153 range is available in 18, 25, 36 or 50 SPST configurations with or without hardware interlock.





























