Protection Relay
acts as a circuit breaker in the event of a fault.
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Product
Current Differential Relay
SEL-587
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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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Product
Auxiliary Voltage Relays
AVR
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Type AVR volta acquisition systemscontrol/datage acuated relays are designed for indication alarm of annunciation in elextric utility application. the relays are used for data inputs to supervisory and sequential event recorders
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Product
Cathodic Protection Test Station
T-3
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11 hole terminal boardRapid connection binding posts, five includedClear terminal board8 Cover colors from stock, custom colors availableFits 3.5" OD riser pipeUV Stabilized color protectionHigh impact resistanceFire resistant"Easy Grip" top for easy opening with gloves"Anti-Spin" gasket prevents twisting
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Product
PXIe Microwave Relay, Quad SPDT, 26.5 GHz, 50 Ω, SMA, Failsafe
42-780B-534
Microwave Relay Module
The 40-780B-534 (PXI) and 42-780B-534 (PXIe) are quad failsafe SPDT 26.5 GHz 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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Product
Relay Tester
7612
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Peaceful Thriving Enterprise Co Ltd
This is the device to test 3 popular vehicle relays. The testing result will be displayed by LED indication. Technician is able to use the device to figure out the condition of the relay, and so speculating the problem in the vehicle.
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Product
Deluxe Relay Test Set
60660
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Jumpers have tabs for clamping and flat pads to place test leads on. No need to pierce wires or connect multiple jumper wires. Also Includes Test Lead Kit for easily and securely connecting Relay Test Jumpers to a multimeter. Jumper wire may be used between common and open to close the relay circuit for testing and has a test port to easily check voltage. Also provides access for a clamp-on amp meter. Relay Puller Pliers easily remove electrical relays without damage to the relay or electrical box.
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Product
Miniature Instantaneous Relays
CU-B Series
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Heavy duty miniature power relays for demanding applications, switching of AC&DC voltages, resistive and/or inductive loads. Integrated magnetc arc blow-out function.
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Product
Microwave Relays
CXM/2x2
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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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Product
Auxiliary, Trip and Supervision Relays
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Electro-mechanical relays specifically designed for high voltage protection and control applications. Multi-contact high-speed trip relays ensures fast operation of less than 8 ms. The unique patented design and topology ensures minimal contact bounce.
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Product
Relays, Switches, Sensors
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CR Magnetics Sensing Relays and Switches provide a simple method of monitoring electrical properties and alerting a system to a fault or event condition. These products are available with a wide variety of configurations, including time delays, various output styles and logic. From simple proving switches, to fully featured high performance ground fault sensing.
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Product
High Temperature Pitot Probe Protective Cover
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This Pitot Probe Cover developed by Nav-Aids Ltd. withstands temperature to 950 degrees F when installed on the pitot tube.With the Nav-Aids Ltd. High Temperature Pitot Probe Cover installed on the pitot tube, and the heat inadvertently activated, there will be : No melting of material No significant residue on the pitot tube No filling of static or drain holes No need to change a pitot probe No cause for aircraft dispatch delay
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Product
PXI/PXIe Microwave Relay, Dual SPDT, 26.5 GHz, 50 Ω, SMA, Internal Termination, Failsafe, Remote Mount
42-781A-222-E
Relay
The 40-781A-222-E (PXI) and 42-781A-222-E (PXIe) are dual failsafe SPDT 26.5 GHz microwave relay modules with internal 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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Product
PXI/PXIe Microwave Relay, Dual SPDT, 40GHz, 50Ω, SMA-2.9, External Termination
40-781A-522
Relay
The 40-781A-522 (PXI) and 42-781A-522 (PXIe) are dual SPDT 40GHz microwave relay modules with external terminations. The 40/42-781A range is available with one or two SPDT switches capable of switching frequencies up to 50GHz in 50Ω. 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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Product
Trip, Auxiliary and Supervision Relays
Delta Series
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The Delta relays provides a robust and reliable interface between protection and control system circuits. A more economical alternative to traditional auxiliary, trip and supervision relays, the Delta provides a compact, flexible and high performance solution while meeting relevant IEC standards.
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Product
Circuit Protection
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Mors Smitt offers a wide range of railway hydraulic magnetic circuit breakers. The circuit breakers are fully configurable to meet individual requirements.
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Product
RV Power Protection with Surge
EMS-PT50C
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Progressive Industries Portable Electrical Management Systems (EMS) offer quick and easy RV electrical protection. A true plug-and-play application with no installation required. You will feel secure with multi-mode surge, voltage, polarity, and lost/open neutral protection. Each unit includes a digital display, scrolling continuously through the power source information: voltage(s), current frequency, error code, and previous error code (if applicable). Additionally, the computer is driven by state of the art microprocessors.
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Product
Electrical Protective Equipment Test Systems
СВС-50М (СВС-100М)
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CBC-M-series systems are designed for high-voltage testing of electrical protective equipment and insulated hand tools. Withstand tests are carried out with AC voltage (CBC-50M: UAC ≤ 50 kVRMS; CBC-100M: UAC ≤ 100 kVRMS) at industrial frequency (f = 50 Hz).
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Product
Relay Circuit Tester
RCT76
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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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Product
SparkFun Qwiic Single Relay
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Have you ever wanted to control something powerful or have you ever needed to turn on/off a high power device from your Arduino or another low powered microcontroller? The SparkFun Qwiic Single Relay provides you with the easiest to use relay yet. The Single Relay board can handle up to 5.5A at 240VAC for long periods of time and allows you to control large power loads with simple I2C commands. Utilizing our handy Qwiic system, and on-board screw terminals, no soldering is required to connect it to the rest of your system!
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Product
Optocoupler and Relay Cards
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For easy connection and galvanic isolation of digital input or output signals, we offer various optocoupler and relay boards.
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Product
Pressure Relief, Gauges, and Relays
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Durable and accurate with factory and portable test kits for Rapid Pressure Rise devices.
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Product
LXI Reed Relay Matrix - Dual 128x4 Plugin, Direct Y Access, 12 Analog Buses
65-221-001
Reed Relay
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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Product
Automated Relay Test System
Relay Master
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Relay Master is an automatic relay test system capable of testing from one to 64 relays simultaneously without having to remove them from the rack. System automation improves efficiency and reduces track time requirements. The PC-based system stores test parameters and results in a database for ease of reliability and trending analysis.
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Product
Force Protection
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The Durham is a high-performance, highly-mobile and easy to emplace Medium Range Day/Night Wireless Surveillance System using a state of the art day camera and a cooled, highly sensitive 640x480 InSb Focal Plane Array thermal camera with 8X continuous optical zoom. The system is image stabilized and has automatic tracking of targets. Each system consists of a Base Station and one Remote Station which can be emplaced up to 5km away for wireless operation or within 500m for fiber optic operation. A single Base Station can monitor and control up to four (4) Remote Stations. The system is powered by a generator, batteries, solar (supplemental power), or vehicle power. Other options available are laser pointers, designators, and a vehicle integration kit.
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Product
ITA, S6, 6 Module, With Protective Cover
410122100
ITA
The S6 ITA Frame has a powder coated finish adding an extra layer protection against the elements. It is an integral part of this rugged Mass InterConnect system. The S6 ITA has module positions screened on top for ease of module placement. Protective Cover included.
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Product
Receiver, ICon, With Protective Cover
310123101
Receiver
iCon accepts two modules and allows a variety of signal, power and coaxial connections. A protective cover is included with the receiver, and other accessories, such as keying pin kits and strain relief, are available.
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Product
Semiconductor Relays
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Panasonic Industrial Devices Sales Company of America
Panasonic Semiconductor Relays are categorized into two types: PhotoMOS® and Solid State Relays (SSRs).
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Product
Trans-Guard Transient Protection
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GrayStone Automation is highly experienced in the field of transient & lightning protection having designed and manufactured products for Nokia, Times Microwave & PolyPhaser. Our expertise lays in developing and manufacturing products to protect data, telecommunication and rail system networks. Aside from the standard products we offer, we also work with customers to develop transient protection products for custom applications.
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Product
Solid-State And Electromechanical Relay Products
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Relay is the name for a switch that is operated electro-mechanically or electronically. Their main task is to make and break connections to control the flow of current in electrical circuits. They’re used for various purposes ranging from validating semiconductors to interfacing low power computers or microcontrollers with high power machinery.
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Product
Single-in-Line Reed Relays
Series 112
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SIL relays - 0.15 inch wide x 0.4 inch long package.Pins on 0.1 inch pitch - Compatible with Pickering Series 110 & 111





























