SPST
Single Pole Single Throw relay.
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Product
Serial to Relay Interface Boards
Model 2364 OEM
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* 114521-11 Board 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.* Serial interface header includes RS-232 and RS-485 signals. * GPIB interface header includes GPIB address switch input signals.* Includes 50-pin mating relay connector and serial header connector.* Optional 115750 Terminal Board for easy connections without soldering.* Operates on 12 to 24 Vdc power.* Use an ICS GPIB Connector/Address Switch Assembly to mount a GPIB connector and Address Switch on the rear panel.
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Product
PCI Express 8 Reed Relay Output
8012e
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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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Product
PXI Programmable Resistor Card 2-Channel 3 Ohm to 16.3k Ohm - SPST
40-294-131
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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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Product
PXI 48 x SPDT Electromechanical Relays
40-148-101
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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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Product
PXI Solid State Switch Module, 6xSPST, 30 A
40-183B-011
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The 40-183B-011 has 6 high current SPST switches in two PXI chassis slots. 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. Each SPST switch can support 30A of continuous current and switch up to 40V signals. The switch can sustain inrush currents in excess of 120A. AC or DC signals can be switched since the switch is polarity insensitive.
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Product
PXI/PXIe High Density Reed Relay Module, 100xSPST
42-140-221
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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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Product
PXI/PXIe Power Relay Module, 1xSP4T, 20 Amp
40-166-203
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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.
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Product
PXI/PXIe Power Relay Module, 50xSPST, 5 Amp, 50-Pin SGMC Connectors
40-153-001
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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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Product
PXI/PXIe High Density Electro-mechanical Relay Module, 75xSPST, Normally Open
42-145A-101
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The 40-145A-101 (PXI) and 42-145A-101 (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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Product
PXI/PXIe Power Relay Module, 32xSPDT, 5 Amp, 50-Pin SGMC Connectors
40-158-001
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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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Product
PXI 64 x SPDT Reed Relays
40-143-221
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The 40-140A/141/143 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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Product
PXI/PXIe High Density Electro-mechanical Relay Module, 75xSPST, Normally Closed
42-145A-101-NC
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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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Product
Cable Free ATE
CABLEFREEATE
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Digalog Systems customizes resources to provide requirements or more cost-effective requirements that are not currently on the market.The CableFreeATEâ„¢ technology also affords lower cost and easier integration of some common offerings:- VPC 64 SPST Reed Relay- 0.1" Discrete Header 64 SPST Reed Relay- DL1-156R 72 SPST Reed Relay
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Product
PXI 2A 32xSPST High Density Power Relay Module
40-137-101
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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/PXIe Power Relay Module, 24xSPDT, 5 Amp, 50-Pin SGMC Connectors
40-158-002
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The 40/42-158-002 is a PXI/PXIe high density power relay module with 24xSPDT 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. Electro-mechanical power relays are used which are suitable for switching loads up to 5A at 250VAC.
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Product
PCI 8 Reed Relay Output / 8 Isolated Input Digital Interface (3-13V)
8012S
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The 8012S PCI digital interface provides eight Reed relay outputs (SPST) and eight optically isolated inputs. Reed relays are well suited for low current applications. The relays are normally open, and close when energized.
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Product
What is an SPST Switch?
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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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Product
PXI 20Amp 28Volt 4xSPST Automotive Relay
40-180-111
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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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Product
SIMRC - 16 x Uncommitted Reed Relay, SPST Screened
1010-R-16-1RF-5/1D
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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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Product
PXI Solid State Switch Module, 3xSPST, 10 A, Hardware Interlock
40-182A-012-HI
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The 40-182A-012-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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Product
LXI Optical Switching - 4:1 Multiplexer Plugin Module
65-281-342
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The 65-281-342 4:1 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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Product
PXI Programmable Resistor Card 2-Channel 2.5 Ohm to 4.09k Ohm - SPST
40-294-123
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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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Product
12-Ch SPST 5A-250VAC High Current Power Switching
YAV90CIN
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12 Independent SPST relaysSwitching up to 5A 250Vac12 current measurement channelsGeneral inhibit inputCAN Control (or Ethernet with Ethernet to CAN Gateway)Drivers dll & VIs available
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Product
PCI Programmable Resistor Card 2-Channel 2.5 Ohm To 1.02k Ohm - SPST
50-294-121
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The 50-294 series of PCI Programmable Resistor cards are available with two channels of 16-bit, two channels of 12-bit or four channels of 8-bit resistor chains in a single card. These cards are 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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Product
PXIe Power Relay Module, 12xSPDT, 16 A
42-161A-101
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The 40/42-161A-101 is a PXI/PXIe 12xSPDT 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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Product
PXI 75 x SPST Ruthenium Reed Relay Switching
40-140A-121
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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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Product
PXI/PXIe High Density Electro-mechanical Relay Module, 48xSPDT
42-148A-101
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The 40-148A-101 (PXI) and 42-148A-101 (PXIe) 48xSPDT 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
PXI/PXIe High Density Electro-mechanical Relay Module, 25xDPST
40-146A-002
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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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Product
PXI/PXIe Power Relay Module, 3xSPDT, 20 Amp
42-166-102
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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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Product
High Density Switching PXI Card
GX6338
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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.





























