SPST
Single Pole Single Throw relay.
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PXI Programmable Resistor Card 4-Channel 2 Ohm to 127 Ohm - SPST
40-294-112
These PXI Programmable Resistor modules are available with either two channels of 16-bit, two channels of 12-bit or four channels of 8-bit resistor chains in a single 3U PXI module. The module is ideal for simulating sensors for control and management systems under test, allowing the user to verify system response in design verification or manufacturing test applications.
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PXI 16 x SPST Reed Relay
40-115-021
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 75 x SPST Ruthenium Reed Relay Switching
40-140A-121
This range of high density reed relay switching modules are available in Normally Open (SPST & DPST) and changeover (SPDT) configurations. Connections are made via a front panel 200 pin female connector. General purpose reed relays are suitable for the construction of small switching networks, for slaving up to larger switches or for operating external devices (e.g. lamps, solenoids etc.).
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What is an SPST Switch?
Learn more about SPST switches. A Single Pole Single Throw (SPST) switch is a switch that only has a single input and can connect only to one output. This means it only has one input terminal and only one output terminal.Learn more on What is an SPST switch at Precision website here.
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PXI/PXIe Power Relay Module, 37-Pin D-type Connector, With Interlock
40-158-104-HI
The 40/42-158-104-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 37-pin D-type 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 Programmable Resistor Card 2-Channel 3 Ohm to 65.5k Ohm - SPST
40-294-133
These PXI Programmable Resistor modules are available with either two channels of 16-bit, two channels of 12-bit or four channels of 8-bit resistor chains in a single 3U PXI module. The module is ideal for simulating sensors for control and management systems under test, allowing the user to verify system response in design verification or manufacturing test applications.
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PXI 50 x SPST Electromechanical Relays
40-145-001
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. General purpose relays are suitable for the construction of small switching networks, I/O port switching, for slave switching larger relays or for operating external devices (e.g. lamps, solenoids etc.).
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PXI 16 x DPST Reed Relays
40-115-022
This is the 16xDPST version of our 40-110/40-115 range of reed relay switching modules which 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.
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PXI Solid-State Switch Module, 6xSPST, 1.5 A, 400 V
40-185A-001
The 40-185A-001 has 6-off high current SPST switches in two PXI slots 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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GPIB to Relay Minibox™
Model 4864
* Model 4864-11 provides 16 low-level form A contacts (SPST).* Provides 8 isolated inputs for CMOS, TTL and 32 Vdc signals.* Multiple relay programming modes switch individual relays or san with single or multi-pole contacts.* Fully IEEE-488.2 and SCPI compliant.* Optional 1 'U' high Rack Mounting Kits hold one or two 4864s.* Includes 50-pin mating connector for solder connections.* Optional 1 'U' high Rack Mounting Kits hold one or two 4864s.* Optional terminal board and terminal strip for easy connections without soldering. See the GPIB Accessory page. * Model 4864-12 provides 16 heavy duty form A contacts (SPST).* All other specifications are the same as listed for the 4864-11. * Model 4864-14 provides 16 Relay driver outputs that sink 300 mA.* All other specifications are the same as listed for the 4864-11.
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PXI Programmable Resistor Card 4-Channel 2 Ohm to 510 Ohm - SPST
40-294-114
These PXI Programmable Resistor modules are available with either two channels of 16-bit, two channels of 12-bit or four channels of 8-bit resistor chains in a single 3U PXI module. The module is ideal for simulating sensors for control and management systems under test, allowing the user to verify system response in design verification or manufacturing test applications.
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PXI Solid-State Switch Module, 3xSPST, 1.5 A, 400 V
40-185A-002
The 40-185A-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 20Amp 28Volt 2xSPST Automotive Relay
40-180-011
Models 40-180/181 are High Power Relay Modules available with 2 SPST, 4 SPST or 2 SPDT contacts. They are capable of switching inductive/capacitive loads up to 40A at 14VDC or 20A at 28VDC.The 40-180/181 High Power Relay Modules are suitable for switching heavy loads or for slaving large external relays, contactors and solenoids. In particular these relay modules are designed for automotive test applications requiring the switching of D.C. voltage at high current. The 28V version is suitable for truck system test applications.
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PXI/PXIe High Density Electro-mechanical Relay Module, 25xDPST
42-146A-002
The 40-146A-002 (PXI) and 42-146A-002 (PXIe) 25xDPST 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/PXIe High Density Electro-mechanical Relay Module, 100xSPST, Normally Closed
42-145A-201-NC
The 40-145A-201-NC (PXI) and 42-145A-201-NC (PXIe) 100xSPST 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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NI-9482, 4-Channel, SPST Relay, 60 VDC (1 A)/250 VAC (1.5 A) C Series Relay Output Module
783906-01
4-Channel, SPST Relay, 60 VDC (1 A)/250 VAC (1.5 A) C Series Relay Output Module - 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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PXIe Power Relay Module, 12xSPDT, 16 A, With Interlock
42-161A-101-HI
The 40/42-161A-101-HI is a PXI/PXIe 12xSPDT 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 Programmable Resistor Card 4-Channel 2 Ohm to 63.7 Ohm - SPST
40-294-111
These PXI Programmable Resistor modules are available with either two channels of 16-bit, two channels of 12-bit or four channels of 8-bit resistor chains in a single 3U PXI module. The module is ideal for simulating sensors for control and management systems under test, allowing the user to verify system response in design verification or manufacturing test applications.
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PXI/PXIe High Density Electro-mechanical Relay Module, 32xSPDT
42-148A-001
The 40-148A-001 (PXI) and 42-148A-001 (PXIe) 32xSPDT 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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LXI Optical Switching - 32:1 Multiplexer Plugin Module
65-281-315
The 65-281-315 32:1 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.
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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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PXI 5A 16xSPST High Density Power Relay Module
40-137-001
These PXI Power Relay Modules are suitable for applications requiring power relay switching with high density. This version features 5A 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 16 x SPST, 5A version, the range also includes a 39 x SPST, 2A version and a 32x SPST 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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High Density Switching PXI Card
GX6338
The GX6338 is a low cost 6U switching card with 114 individual low level SPST Form A relays capable of switching 0.5 A at 200 VDC. The GX6338 is ideal for applications requiring high density switching.
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PXI 48 x SPDT Electromechanical Relays
40-148-101
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. General purpose relays are suitable for the construction of small switching networks, I/O port switching, for slave switching larger relays or for operating external devices (e.g. lamps, solenoids etc.).
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PXI/PXIe Power Relay Module, 3xSPDT, 20 Amp
42-166-102
The 40/42-166-102 is a PXI/PXIe high density power relay module with 3xSPDT switches rated at 20A. The 40/42-166 range is available with SPST, SPDT or SP4T switching configurations.
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PXI Solid-State Switch Module, 3xSPST, 1.5 A, 400 V, Hardware Interlock
40-185A-002-HI
The 40-185A-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, 64xSPDT
42-148A-201
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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PXI/PXIe High Density Electro-mechanical Relay Module, 50xDPST
42-146A-202
The 40-146A-202 (PXI) and 42-146A-202 (PXIe) 50xDPST 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 50 Shielded SPST Reed Relays
40-142-021
The 40-140A/141/142/143 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, 1xSP4T, 20 Amp
40-166-203
The 40/42-166-203 is a PXI/PXIe high density power relay module with 1xSP4T switches rated at 20A. The 40/42-166 range is available with SPST, SPDT or SP4T switching configurations.
