Protection Relay Test Sets
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Product
Primary Current Injection Test Set
T 3000
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T 3000 is a primary current injection testing system designed to perform primary tests requested in substations commissioning. It allows to perform different tests and measurements on current transformers, voltage transformers, power transformers, protection relays, energy meters and transducers
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Product
In-Circuit Test System Repairs
Test System
Forwessun provides expert repair services for a wide range of Test Systems, helping you maintain optimal performance and extend the life of your equipment. Our team of skilled technicians quickly identifies and addresses issues, ensuring that your system is back in operation with minimal downtime. We handle both routine and complex repairs, offering comprehensive solutions to keep your systems running efficiently and reliably.
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Product
Transmission Protection
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Schweitzer Engineering Laboratories, Inc.
SEL transmission protection solutions provide complete primary and backup protection from all types of faults. Using these devices helps you avoid expensive equipment damage and failure while maintaining system performance and increasing availability.
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Product
Oil Tan Delta Test Set
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The Oil Tan Delta (OTD) is a laboratory instrument, which measures the Tan Delta, Resistivity and Relative Permittivity of insulating liquids. These tests give a wider picture of the overall quality of the insulating oil, and will indicate if there is any contamination. Megger has developed features of the OTD to ensure that productivity levels within laboratories are maximised. OTD test sets are supplied with sixteen standard test sequences pre-installed, to support a set of international standards.
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Product
Military Communications Test
Test Platform
Astronics testers for military radios and wireless communications systems help you keep your most critical communications up and running smoothly. Write test program sets once and deploy them instantaneously everywhere – whether your test set is in the factory, at the depot, or in operation.
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Product
Protection Panels
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BENDER is a leading provider of protection solutions for industrial facilities, for applications from power distribution monitoring to load protection. Our wide and varied portfolio of products ensures that your facility has the ground-fault protection it needs.
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Product
MASTER FUEL PRESSURE TEST SET
FPT5000
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*Quickly and easily diagnose fuel-related issues on most major gasoline engine platforms, including domestic and foreign vehicles*In-line adapter configuration allows for easier connection to the fuel system as well as the ability to isolate the supply and return lines independently without disconnecting the adapters from the engine*3-1/2" gauge and hose configuration allows adapters to connect directly to the gauge and bleed-off or connect to the 48" extension hose for applications where additional reach is necessary
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Product
Laser Diode Reliability Burn-In / Life-Test System
58602
Test System
Chroma 58602 is a high density, precision multi source measurement Unit (SMU) module with temperature control and exchangeable interface developed for burn-in, reliability and life test of optoelectronic components including laser diodes, VCSELs, VCSEL Arrays, silicon Photonics, photo-diodes and other similar components.
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Product
Relay Test Kit
Relaystar-H60
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HAOMAI Electric Power Automation Co., LTD.
Portable 6-phase protection test equipment for testing most types of modern multi-function protection relays, Output 6-phase AC current 6x0…32A Output 4-phase Voltage 4x0…300V.
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Product
PXI Single Microwave SPDT Relay 26.5GHz 50 SMA
40-780A-531
Relay
This PXI microwave module is part of a range that gives you the highest RF & microwave switching performance available. Applications are mainly in the microwave region, however there are many uses in the RF spectrum where extremely low insertion loss and ultra high isolation are critical, they may also be used for lower frequency RF applications where power handling to 240W is required (700W for N-Type options)
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Product
Relay Test Equipment
ME3000 Series
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ME3000 is recently developed low-cost oriented relay test equipment, aimed to supply customer cheaper and cost-effective product.
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Product
Optical Loss Test Set (OLTS)
MaxTester 940/945
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First tablet-inspired, multifunction optical loss test set (OLTS) delivering insertion loss, optical return loss and fiber length measurements at two wavelengths in five seconds via fully automated bidirectional FasTesT™ analysis. With its step-by-step reference wizard and intelligent fault diagnosis, the MAX-940/945 provides expert guidance throughout the test process to ensure immediate efficiency by first-time users while removing risk of errors or negative loss—a common source of issues when testing low loss fibers.
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Product
PXI 16 x SPDT Reed Relays
40-110-021
Relay
The 40-110/115 range of switching modules are available in both Changeover (SPDT) and Normally Open (SPST & DPST) configurations. Connections are made via a front panel 96 pin male micro-D connector. General purpose reed relays are used for the construction of small switching networks or for slaving up to larger switches.To simplify inter-relay wiring, interconnection points are built onto the circuit board thus easing the construction of complicated wiring.
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Product
PXI/PXIe High Density Electro-mechanical Relay Module, 64xSPDT
40-148A-201
Relay
The 40-148A-201 (PXI) and 42-148A-201 (PXIe) 64xSPDT relay module is part of a range of high density switching modules available in Normally Open (SPST & DPST), Changeover (SPDT) and Normally Closed (SPST) configurations. Connections are made via a front panel 200-pin female connector.
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Product
Multi-phase Relay Testing
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Our aim is to make simpler the complex task of 3-phase relay testing. Our comprehensive and intuitive relay software speeds up testing times with a vast library of pre-defined test regimes or manual operation.
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Product
Current Transformers Test Set
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Supreme Instrument Laboratories
The basic unit is sensitive magnetic comparator and also it incorporates electronic null detector to facilitate the balance. The reference Current 5A. or IA. obtained from Standard Current Transformer and in comparison to that the vector length and phase displacement is measured. The ratio error in percentage and phase displacement in minutes are directly compared and indicated on dials.
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Product
Functional Test Fixtures
Functional Test
Forwessun’s Functional Test Fixtures are tailored to validate the performance of your electronic assemblies, ensuring each product meets critical quality and functional standards. With customisable designs and precision engineering, these fixtures support a range of testing needs—from checking connectivity and function to confirming performance under real-world conditions. Built to handle rigorous demands, Forwessun's solutions are ideal for industries requiring reliable and repeatable results. Whether for high-volume production or specialised testing, our fixtures provide robust, adaptable support to maintain efficiency and accuracy throughout the testing process. We also create, and work with Ingun to create fixtures using the Ingun kit.
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Product
PXI 2A 32xSPST High Density Power Relay Module
40-137-101
Relay
These Power Relay Modules are suitable for applications requiring power relay switching with high density. This version features 2A current and voltage to 110VDC/250VAC, they are configured as Single Pole Single Throw (SPST). Connections are made via front panel mounted 37 or 78-pin D-Type connector.Along with this 32 x SPST version, the range also includes a 39 x SPST, 2A version and a 16 x SPST, 5A version - go to Also in the Range above to learn more.Typical applications will be found in Automotive Test, Aerospace Test and Power Cell Test applications.
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Product
PXI Dual Microwave SPDT Relay 18GHz 50 SMA
40-780A-522
Relay
This PXI microwave module is part of a range that gives you the highest RF & microwave switching performance available. Applications are mainly in the microwave region, however there are many uses in the RF spectrum where extremely low insertion loss and ultra high isolation are critical, they may also be used for lower frequency RF applications where power handling to 240W is required (700W for N-Type options).
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Product
PXI/PXIe Microwave Relay, Dual SPDT, 12.4GHz, 50Ω, N-Type, Remote Mount
40-780B-512-E
Relay
The 40-780B-512-E (PXI) and 42-780B-512-E (PXIe) are dual SPDT 12.4GHz unterminated microwave relay modules with remotely mounted relays. The 40/42-780B range is available with one, two, three or four SPDT panel mounted relays capable of switching frequencies up to 67GHz in 50Ω or 2.5GHz in 75Ω. Connections are made via high quality RF coaxial connectors, SMA or N-Type for 50Ω and 1.6/5.6 in 75Ω versions. Remote versions can support up to three SPDT relays in a single slot.
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Product
Automatic Relay Test Set
DRTS 66
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DRTS 66 is the most powerful diagnostic test set designed to perform accurate tests on protection relays, transducers, energy and power quality meters. This advanced test equipment is also thought to satisfy all the needs related to commissioning and substation maintenance. 6 Current and 6 Voltage generators simultaneously available.
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Product
Scalable Tester System for Functional Testing
UTP6010
Functional Test
The UTP6010 is a scalable tester system for functional testing, comprising an integrated main switching unit, a keyboard drawer and a swivelling monitor. It is the reliable, modular, low priced UTP starter kit. The system is suitable for tester applications, where space-saving devices are required, because its construction height is only 12 HU (excluding keyboard drawer and main switching unit).
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Product
Automatic AC High Voltage Test Set
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Used in testing of air conditioners, this is available to clients in different specifications.
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Product
PXIe Power Relay Module, 10xSPST, 16 A, With Interlock
42-161A-003-HI
Relay
The 40/42-161A-003-HI is a PXI/PXIe 10xSPST power relay modulewith optional hardware interlock. It is part of a range of high density power switching solutions with a choice of SPST, and SPDT relay configurations with or without hardware interlock.
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Product
High Voltage Oil Test Set
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Supreme Instrument Laboratories
Supreme High voltage Oil Testing Apparatus is designed for testing of dielectric strength of transformer Oil or any other insulating liquids. It constitutes a complete equipment and apart of an A.C. supply of 230 / 240 Volts, no other supplementary facilities are required for its operation.
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Product
Rugged Field Test Set
MTS-207
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The MTS-207 is a state-of-the-art portable PXI platform for field testing and data acquisition systems. Its proven architecture has been deployed worldwide on multiple programs including the MTS-206 Maverick Missile system flight line tester, the MTS-209 Common Armament Test Set, the AN/TSM-205B Hellfire System test Set, and many more. It combines the capabilities of the versatile and powerful PXI architecture in a compact, ultra-rugged, flightline qualified enclosure. The MTS-207 is ideal for test and data acquisition applications requiring operation under harsh environmental conditions including flightline, back-shop, or airborne applications.
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Product
Protective Relay Test System
MTS-5100
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The MTS-5100 is the only all-in-one relay test set with a direct front panel interface for all functions, without exception!
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Product
IPX7 Water Ingress Protection Immersion Test Chamber
CX-IPX7
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Shenzhen Chuangxin Instruments Co., Ltd.
IPX7 Water Ingress Protection Immersion Test ChamberThe main function of the immersion test equipment is for the electronic and electrical products, lamps, electrical cabinets, electrical components, automobiles, motorcycles and their parts and other products in the simulated rain conditions, the physical and other related properties of the test.
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Product
Vacuum Interrupter Pressure Integrity Test Set
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Low Drift Current is measured by applying magnetic field.
