SPST
Single Pole Single Throw relay.
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SIMRC - 16 x Uncommitted Reed Relay, SPST Screened
1010-R-16-1RF-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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PCI 64xSPST Reed Relay Card
50-115A-121
This is the 64xSPST version of our 50-110A/50-115A range of reed relay switching cards which are available in both Changeover (SPDT) and Normally Open (SPST & DPST) configurations. Connections are made via a front panel 200 pin female LFH connector.
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PXI Solid-State Switch Module, 3xSPST, 25 A, 100 V, Hardware Interlock
40-184A-002-HI
The 40-184A-002-HI has 3-off high current SPST switches with hardware interlock in one PXI slot and is part of our range of high power solid state switching solutions.
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PXI/PXIe High Density Electro-mechanical Relay Module, 50xSPST, Normally Closed
42-145A-001-NC
The 40-145A-001-NC (PXI) and 42-145A-001-NC (PXIe) 50xSPST 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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PXI 24 x DPST Reed Relays
40-115-122
Available in normally open (DPST & SPST) configurations. Connections are made via a front panel micro-D 96-pin male connector. For applications requiring improved bandwidth and crosstalk performance please look at our 40-120 and 40-125 range of shielded reed relay cards. General purpose reed relays are suitable for the construction of small switching networks, slaving up to larger switches or operating external devices (e.g. lamps, solenoids etc.). To simplify inter-relay wiring, interconnection points are built onto the circuit board easing the construction of complicated wiring.
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PXI/PXIe High Density Reed Relay Module, 100xSPST
42-140-221
The 40-140B-221 (PXI) and 42-140B-221 (PXIe) are 100xSPST general purpose switching modules. They are part of a range of high density relay modules using ruthenium reeds available in 50x, 75x and 100x Normally Open SPST configurations. Connections are made via a front panel 200-pin female connector.
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NI-9482, 4-Channel, SPST Relay, 60 VDC (1 A)/250 VAC (1.5 A) C Series Relay Output Module
782999-01
The NI‑9482 directly connects to a wide array of industrial devices such as motors, actuators, and DC devices. Each channel provides access to an electromechanical relay for switching signals up to 60 VDC (1 A) or 250 Vrms (1.5 A), features channel‑to‑channel isolation, and has a LED that indicates the status. The shock and vibration rating for the NI‑9482 is limited compared with other CompactDAQ and CompactRIO modules because of the mechanical relays on the module.
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Keysight 20-Channel 5A Form A Switch for 34980A
34938A
The Keysight 34938A is a high power general-purpose switch module for the 34980A Multifunction Switch/Measure Unit. It has 20 independent single-pole, single-throw (SPST) 5A relays. This module is used to cycle power to products under test, control indicator and status lights, and to actuate external power relays and solenoids. Its 30VDC/250VAC, 5A contacts can handle up to 150W on a single channel, enough for many power line switching applications. Standard 50-pin Dsub connectors allow for use with standard cables, terminal blocks, or mass interconnect solutions.
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PXI Solid-State SPST Switch, 3-Channel 25A 100V
40-184-002
The 40-184-002 has 3-off high current SPST switches in one PXI slot and is part of our range of high power solid state switching solutions. Each SPST switch uses a fully isolated solid-state relay which has been designed to offer fast operation under hot switching conditions and high inrush current with no operational life degradation.
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PXI/PXIe Power Relay Module, 5xSPST, 30 Amp
42-166-002
The 40/42-166-002 is a PXI/PXIe high density power relay module with 5xSPST switches rated at 30A. The 40/42-166 range is available with SPST, SPDT or SP4T switching configurations.
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PXI 75 x Normally Closed Relay 1A 60W
40-145-101-NC
The 40-145/46/48 range of high density switching modules are available in Normally Open (SPST & DPST) and changeover (SPDT) configurations. Connections are made via a front panel 200 pin female connector.
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PXI/PXIe Power Relay Module, 16xSPDT, 5 Amp, 50-Pin SGMC Connector
42-158-003
The 40/42-158-003 is a PXI/PXIe high density power relay module with 16xSPDT switches rated at 5A. User connection is via a 50-pin SGMC male connector. 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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PXIe Power Relay Module, 12xSPST, 16 A, With Interlock
42-161A-002-HI
The 40/42-161A-002-HI is a PXI/PXIe 12xSPST power relay module with 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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PXIe Power Relay Module, 6xSPDT, 16 A
42-161A-102
The 40/42-161A-102 is a PXI/PXIe 6xSPDT power relay module and 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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PXI 2A 39xSPST High Density Power Relay Module
40-137-201
These Power Relay Modules are suitable for applications requiring power relay switching with high density. The feature 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 39 x SPST version, the range also includes a 32 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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PCI Express 8 Reed Relay Output
8012e
The 8012e Low Profile PCI Express digital interface provides eight optically isolated inputs and eight Reed relay outputs (SPST). The isolated inputs are non-polarized and rated for 3-30 VDC. Optical isolation protects the PC and other sensitive equipment from the voltage spikes and ground loop currents that are common to industrial environments.
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PXI/PXIe High Density Electro-mechanical Relay Module, 75xSPST, Normally Closed
40-145A-101-NC
The 40-145A-101-NC (PXI) and 42-145A-101-NC (PXIe) 75xSPST 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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PXI Power Relay Module, 6xSPDT, 16 A, With Interlock
40-161A-102-HI
The 40/42-161A-102-HI is a PXI/PXIe 6xSPDT power relay module with 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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PXI/PXIe Power Relay Module,5 Amp, 50-pin D-type Connector
40-153-103-HI
The 40/42-153-103-HI is a PXI/PXIe high density power relay module with 25xSPST switches rated at 5A and includes the hardware interlock option. User connection is via a 50-pin D-type male connector, hardware interlock is via a 4-pin 00 series socket (mating plug is supplied). The 40/42-153 range is available in 18, 25, 36 or 50 SPST configurations with or without hardware interlock.
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PCI 32xSPDT Shielded Reed Relay Card
50-120-021
This of PCI switching cards are available in both Changeover (SPDT) and Normally Open (SPST & DPST) configurations. Connections are made via a front panel 200 pin female connector.
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PXI/PXIe Power Relay Module, 50xSPST, 5 Amp, 50-Pin SGMC Connectors
40-153-001
The 40/42-153-001 is a PXI/PXIe high density power relay module with 50xSPST switches rated at 5A. User connection is via 2x50-pin SGMC male connectors. The 40/42-153 range is available in 18, 25, 36 or 50 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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LXI Optical Switching - 2x2 Matrix (Insert/Bypass) Plugin Module
65-280-360
The 65-280-360 2x2 matrix is part of the 65-280 and 65-281 ranges of optical plug-in modules offering matrix & insert/bypass or multiplexer & SPST topologies respectively with all models based on MEMS fiber optic switches and available in various populations per plugin. In addition, a choice of different connector styles to suit most applications is offered: FC/APC (for optimal performance), FC/PC, SC/PC and ST for general applications and LC for high density applications. They use MEMS (Micro-Electro-Mechanical-Systems) based optical switches to route signals between terminals by redirecting the optical signal. This is achieved using micromechanical mirrors driven by a highly precise mechanism activated via an electrical control signal.
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PXI/PXIe Power Relay Module,5 Amp, 50-Pin SGMC Connectors
40-158-001-HI
The 40/42-158-001-HI is a PXI/PXIe high density power relay module with 32xSPDT switches rated at 5A and includes the hardware interlock option. User connection is via 2x50-pin SGMC male connectors, 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.
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PXI/PXIe Power Relay Module, 8xSPDT, 5 Amp, 50-Pin SGMC Connector
40-158-004-HI
The 40/42-158-004-HI is a PXI/PXIe high density power relay module with 8xSPDT 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.
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PXI/PXIe Power Relay Module, 32xSPDT, 5 Amp, 50-Pin SGMC Connectors
40-158-001
The 40/42-158-001 is a PXI/PXIe high density power relay module with 32xSPDT switches rated at 5A. User connection is via 2x50-pin SGMC male connectors. The 40/42-158 range is available in 8, 16, 24 or 32 SPST configurations with or without hardware interlock.
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LXI Optical Switching - 2:1 Multiplexer Plugin Module
65-281-381
The 65-281-381 2:1 multiplexer is part of the 65-280 and 65-281 ranges of optical plug-in modules offering matrix & insert/bypass or multiplexer & SPST topologies respectively with all models based on MEMS fiber optic switches and available in various populations per plugin. In addition, a choice of different connector styles to suit most applications is offered: FC/APC (for optimal performance), FC/PC, SC/PC and ST for general applications and LC for high density applications. They use MEMS (Micro-Electro-Mechanical-Systems) based optical switches to route signals between terminals by redirecting the optical signal. This is achieved using micromechanical mirrors driven by a highly precise mechanism activated via an electrical control signal.
