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Protection Relay
acts as a circuit breaker in the event of a fault.
- Pickering Interfaces Inc.
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PXI/PXIe Fault Insertion Switch, 64-Chan 2A, N/C Through Relays, Fault Buses on M & U
40-190C-112
The 40-190C-112 (PXI) and 42-190C-112 (PXIe) are fault insertion switches with 64 channels. They are part of a range of modules available with 74, 64 or 32 channels and are primarily designed for the simulation of fault conditions in automotive & avionics applications involving the reliability testing of safety critical controllers.
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Instrumentation/Electronics
Junction Boxes for 4 or 8 load cells in ABS, Aluminium or Stainless Steel (optionally with ATEX approval)Intelligent Junction Box for individual monitoring of load cell performance and error checking of up to 4 load cellsSimple weighing transmitters (with analogue output for connection to a PLC) or high speed transmitters with built-in weight indication, external communications, set points and dedicated check weigher functionsPurpose designed weight indicators with external communications, ATEX approval for use in hazardous areas and IP69K protection for use in harsh, wash-down environmentsDedicated weighing controllers for batching, filling, check weighing, truck weighing and axle weighing, with communications and relay outputsInstrumentation/electronics with Weights and Measures approvals (legal-for-trade), i.e. OIML R76 and EN45501:2015 (NAWI)Remote displays for secondary weight indication at a different locationLoad cell tester with intelligent diagnosticsLoad cell simulator
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MIL-PRF-28750 Solid State Relay
Part No. KD44CF
The KD44CF solid-state relay utilizes MIL-PRF-28750 test methods. These relays feature fully floating power FET outputs that allow the load to be connected to either output terminal and provides a low ON resistance. A trip status indicator turns on when an overcurrent condition has occurred and the short-circuit protection has been activated.MSL 1 Available options include:KD44CF 2Adc, 60Vdc Load; 3.8-32Vdc (bias voltage), 250µA (CMOS) Control;
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PXI Relay Driver Module
The PXI Relay Driver Module controls up to 64 external relays with up to 50 VDC or 600 mA per channel drive capacity when using an external power supply. Modules can drive small DC motors or other inductive relay coils, and they include overcurrent, overvoltage, and flyback protection to ensure long operation. The PXI Relay Driver Module allows you to build custom switch configurations while using the standard IVIcompliant NISWITCH driver software.
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NI-9478, 50 V, 16-Channel (Sinking Output), 50 µs C Series Digital Module
779940-01
50 V, 16-Channel (Sinking Output), 50 µs C Series Digital Module - The NI‑9478 works with industrial logic levels and signals to connect directly to a wide array of industrial relays, solenoids, and motors. The NI‑9478 features programmable current limits, which provide customizable system protection that is ideal for solenoid and valve control applications. Each channel is compatible with signals from 5 V to 50 V and features isolation from channel‑to‑earth ground.
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Relay & Protection Testing
Weshine Electric Manufacturing Co., Ltd
Given the diverse functional requirements of the grid’s protection system, testing capabilities require a new level of sophisticated test hardware and software with which to analyse the entire protection system’s (or individual protection component’s) operation in "real life" situations. It is further necessary that these expanding testing capabilities be met with a similar improvement in the simplification of a test instrument’s user interface and software control.
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Software For Protective Relay Testing
TDMS Pro
TDMS Pro is the NEW software platform designed to efficiently run tests and manage test data of almost any kind of electromechanical and digital relay from any manufacturer.From the simplest to the most complex type, TDMS Pro, with a completely new graphic interface and advanced test functions, can be used to test all types of multifunction protection relays installed in power transmission and distribution networks, in power plants and industries. The universal test set compatible with TDMS Pro are: DRTS 66, DRTS 64, DRTS 34 and DRTS 33.
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Field Ground Module
SEL-2664
Schweitzer Engineering Laboratories, Inc.
Add the SEL-2664 Field Ground Module to the SEL-300G or SEL-700G to protect all the critical components in your generator with one comprehensive relay. Or, add the SEL-2664 to the SEL-2664S to complete ground fault protection on both the rotor and stator.
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Automatic Relay Test Set
DRTS 33
DRTS 33 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. 3 Current and 3 Voltage generators simultaneously available.
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FTL Test Block
FTL testblock with dust cover and current disconnect pinThe FTL is a test block for interfacing substation devices (protection relays, fault recorders, revenue meters, ... ) to the voltage and current transformers and to other equipment on the system side of a power grid. The FTL test block uses disconnect pins to isolate the substation devices from the system side equipment. Once isolated, secondary injection can be performed using banana jacks on the front side of the test block.
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Automatic Relay Test Set
DRTS 66
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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Relay And Protection Testing
As the first protection relay test set manufacturer in China, PONOVO has been always offering reliable protection relay testing equipment for customer for more than 20 years. More than 20,000 relay test kits has been supplied to users in China and other countries, including 6-phase, 3-phase, single phase relay test sets, capable of testing all kinds of protection relays, from electromagnetic relays, solid state, numerical, microcomputer relays and digital relays based on IEC61850 as well as other testings, such as, energy meter, transducer, etc. With various models with different specifications, users can definitely choose the model suitable for their testings.
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IEC61850 Relay Test Set
NF802
NF802 is full digital IEC61850 relay test set, equipped with 8 optical ports, and powerful data processing capability, can realize full digital IEC61850 protection relay testing.
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Primary Test Equipment
LET-1000-RD
It allows to perform with sufficient power, all the primary current injections to test the proper function and wiring of all the elements that compose the protection and measuring section in a substation.The regulation system is based on a continuously variable autotransformer (Variac) that supplies to a power transformer that delivers the high current outputs and isolate the main supply from the load. A built-in ammeter and a timer gives the information about the current value and the operation time of the relay or breaker under test.
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High Impedance Busbar Differential Relay
MIB
The MIB, a member of the M II family of economical and highly functional digital protection relays, is a microprocessor based relay that provides three phase high impedance differential protection for Substation Bus-bars of any voltage level. Use the MIB also to protect electrical machines like transformers, generators or motors against restricted earth faults.
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Three-Phase Relay Test Set
CMC 353
With its compact design and low weight of 13.3 kg / 29.3 lbs, the CMC 353 provides the perfect combination of portability and power. It is the ideal test set for three-phase protection testing and the commissioning of SCADA systems. The powerful current outputs (3 x 32 A / 430 VA) optimally support 5 A relay testing.
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Distribution Operations
Schweitzer Engineering Laboratories, Inc.
SEL provides tools that work with protection and control relays to improve your system’s visualization and dynamic response—while still maintaining performance, situational awareness, and efficiency.
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Protection Relay Testers
The Relay Tester assists in the inspection, installation, and repair of assigned electro-mechanical controls and equipment systems. The professionals have to assemble the equipment in the right position to operate test equipment and related instruments. They complete test forms and enter test results.
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Single Phase Universal Protection Relay Test Set
S100A
S100A is the Universal Single Phase Protection Relay Test Set with 1*100A and 3*150V output, local control system for basic relay testing with manual operation.
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HardFiber System
IEC 61850
The HardFiber System is a KEMA tested IEC 61850 Process Bus Solution that allows the mapping of measurements made in the switchyard to protection relays located in the control house using secure communications. The HardFiber System addresses the key technical and logistic challenges affecting the labor required for substation design, construction and maintenance.
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Three Phase Power Calibrators And Tester Of Power Engineering Devices
C300B
Calmet Smart Calibration Devices
Three phase, class 0.02 and 0.05 power quality calibrator up to 120A (360A) and 560VAC with programmable power quality parameters. It makes possible to make automatic test of electricity meters, measurement transducers, current transformers and protection relays.
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Quasar Smart Relay Tester
The Quasar is the most advanced three-phase relay test set designed for the testing of secondary and IEC-61850 protections of any type with special focus on industrial and routine maintenance applications.
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Digital Test Switch
FT-14D
Test switch solution for digital switchgear using current and voltage sensors. With the FT-14D Digital FlexitestTM switches, a new era of protection relay testing can be performed more safely, quickly and easily. The FT-14D switch allows a customer to integrate current and voltage sensors within digital switchgear and protective relays and thereby enable the Industrial Internet of Things.
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Automatic Relay Tester
The protective devices such as relays, overload coils, circuit breakers must be checked regularly to ensure that, they are always ready to operate correctly. If a fault occurs in the equipment, which they are protecting, routine relay testing will quickly detect the faulty, incorrectly adjusted protection circuits correctly. It is usually necessary to measure its operating time. The micro controller based time interval meter is used for this purpose in all AJIT brand relay testers.
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AC Load Bank (Resistive/Reactive)
K-1000 Resistive/Reactive
Kongter Test & Measurement Co., Limited
Resistive/reactive load banks are great choices for testing turbines, switchgear, rotary UPS, generators and UPS systems. They can also be used for integrated system testing of utility substation protection systems, particularly for more complex relays like distance, directional overcurrent, power directional and others. A resistive/reactive inductive and/or capacitive load is often required to test solar inverters to ensure solar panels can be stopped from producing electricity in the event of a power outage.
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Auxiliary, Trip and Supervision Relays
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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Protection Relay Test Set
PW41i
PW41i is designed with 3 currents (3*40A) and 4 voltages (4*300V). The local software system with many relay testing modules is designed based on Windows system, which is easy and convenient for operation and upgrade.
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Solid State Relay with Low ON Resistance and an Optically Isolated Output
Series HD
The HD solid-state relay utilizes the latest technology to provide a low ON resistance and an optically isolated output. The control circuit is buffered to enable the relay to be driven directly from standard CMOS or open-collector TTL logic circuits. Available options include short-circuit and current overload protection. The second option is a status output line.MSL 1HD relays are controlled with 3.8-32Vdc Available options include:HD00CF 2.1Adc, 60Vdc LoadHD02CF 2.1Adc, 60Vdc Load; with switch statusHD20CF 2.1Adc, 60Vdc Load; with short circuit protectionHD22CF 2.1Adc, 60Vdc Load; short circuit protection & switch statusHD24CF 2.1Adc, 60Vdc Load; short circuit protection & trip status
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Arc-Flash Protection
Schweitzer Engineering Laboratories, Inc.
Arc-flash detection technology significantly decreases the time it takes a relay to trip in response to an arc fault, thereby reducing hazardous incident energy. Combining light-sensing technology with fast overcurrent protection provides high-speed arc-flash detection and prevents overtripping for external faults. Arc-flash protection relays work with low- and medium-voltage apparatus and easily coordinate with other devices in utility-, industrial-, and commercial-scale power systems.
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Dual-Output 28VDC Plastic Relays with Thermal Protection
Series LPD70
Series LPD70 dual-output 28 Vdc plastic relays offer internal thermal protection. They utilize optical isolation for excellent input-to-output isolation. The LPD70 offers a current-limiting output to protect itself and associated load circuits from transient current overloads. During an overcurrent condition, the LPD70 clamps the current to a safe operating value.MSL 6 Available options include:LPBD70 0.25Adc, 33Vdc Load; 4-7Vdc Control;
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General Performance Absolute Pressure Switches
These absolute vacuum / pressure switches offer fast, accurate, and reliable protection for vacuum equipment and processes. Designed for applications where a DC signal output is not required, these pressure switches provide relay outputs that are readily interfaced with alarms, valve actuators, computers, process controllers, or other protection devices.
