SPST
Single Pole Single Throw relay.
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Product
PXI Power Relay Module, 6xSPDT, 16 A
40-161A-102
Relay
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. Electro-mechanical power relays are used wich are suitable for switching loads up to 16 A at 250 VAC.
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Product
E & W-Band PIN Diode Waveguide Switches
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Fairview Microwave’s single-pole single-throw (SPST) and double-pole double-throw (DPDT) PIN diode waveguide switches feature fully integrated WR-10 and WR-12 waveguide ports and cover popular E-band (60 to 90 GHz) and W-band (75 to 110 GHz) frequencies. Switch circuits integrate low loss Fin-line assemblies with high performance GaAs beam-lead diodes that results in 4 dB insertion loss, greater than 25 dB of Isolation and fast switching speed < 300 nsec.
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Product
PXI/PXIe Power Relay Module, 3xSP4T, 20 Amp
42-166-201
Relay
The 40/42-166-201 is a PXI/PXIe high density power relay module with 3xSP4T switches rated at 20A. The 40/42-166 range is available with SPST, SPDT or SP4T switching configurations. It uses power relays which are suitable for switching loads up to 20A at 240VAC (SPDT & SP4T versions) or 30A at 277VAC (SPST versions).
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Product
Switch PXI Solid-State Switch Module, 6xSPST, 25 A, 100 V
40-184A-001
Switch Module
The 40-184A-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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Product
(4×30)-Ch 3A-250VAC 24VDC Matrix
YAV90120
Matrix Switch Module
120 relays SPST matrix 4×30 3Amps 1wire Max switching up to 62,5VA CAN Control (or Ethernet with Ethernet to CAN Gateway) Drivers dll & VIs available
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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
PXIe Power Relay Module, 12xSPDT, 16 A
42-161A-101
Relay
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
Ethernet to Relay Interface Boards
Model 8064 OEM
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* 115631-11 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 VXI-11 compliant.* Easy configuration with any web browser.* Includes 50-pin mating connector for solder connections.* Optional terminal board for easy connections without soldering. See the Ethernet Accessory page.* Operates on 12 to 24 Vdc power.* Use an ICS Wiring Kit to connect to an RJ45 connector on the rear panel.
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Product
PXI Solid-State Switch Module, 6xSPST, 1.5 A, 400 V
40-185A-001
Switch Module
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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Product
PCI 50xDPST Reed Relay Card
50-115A-122
Reed Relay
This is the 50xDPST 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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Product
PXI/PXIe Power Relay Module, 25xSPST, 5 Amp, 50-pin SGMC Connector
40-153-003
Relay
The 40/42-153-003 is a PXI/PXIe high density power relay module with 25xSPST switches rated at 5A. User connection is via a 50-pin SGMC male connector. 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
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
8-Ch SPST 12A-250VAC 24VDC Mux
H62004700
Multiplexer Module
This module is ideal for switching up to 12A. Composed by eight relays organized in two trees of four with two relays (One in each tree) with NC contact available. The module is shielded in order to reduce the radiated interference in high current switchings.
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Product
PXI/PXIe High Density Electro-mechanical Relay Module, 50xDPST
40-146A-202
Relay
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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Product
Keysight 20-Channel 5A Form A Switch for 34980A
34938A
General Purpose Switch
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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Product
PXI/PXIe Power Relay Module,5 Amp, 50-pin SGMC Connector
40-153-003-HI
Relay
The 40/42-153-003-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 SGMC 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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Product
PXI 2A 39xSPST High Density Power Relay Module
40-137-201
Relay
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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Product
PXI Solid-State Switch Module, 6xSPST, 25 A, 100 V, Hardware Interlock
40-184A-001-HI
Switch Module
The 40-184A-001-HI has 6-off high current SPST switches with hardware interlock in two PXI slots and is part of our range of high power solid state switching solutions.
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Product
PXIe-2569, 100-Channel, 1 A, SPST PXI Relay Module
780587-69
Relay
PXIe, 100-Channel, 1 A, SPST PXI Relay Module—The PXIe‑2569 is a general-purpose switch module that features independent single‑pole single‑throw (SPST) Form A armature relays. It is fully software programmable and contains a 32,000‑step scan list for deterministic scanning capability. This module offers maximum relay density, so it is ideal for medium-power automated test loads.
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Product
GPIB to Relay Minibox™
Model 4864
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* 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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Product
PXI/PXIe Power Relay Module, 24xSPDT, 5 Amp, 50-Pin SGMC Connectors
42-158-002
Relay
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.
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Product
PXI/PXIe High Density Electro-mechanical Relay Module, 25xDPST
42-146A-002
Relay
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
64-Channel Form A General Purpose Switch for 34980A
34939A
General Purpose Switch
The Keysight 34939A is a high density general-purpose switch module for the 34980A Multifunction Switch/Measure Unit. It has 64 independent single-pole, single-throw (SPST) relays that can switch 1A and carry 2A. This module can be used to cycle power to products under test, control indicator and status lights, and to actuate external power relays and solenoids. The relays are 100V, 1A contacts and can handle up to 60W. Standard 78-pin Dsub connectors allow for use with standard cables, screw terminal blocks, or mass interconnect solutions.
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Product
LXI Optical Switching - 16x16 Matrix Plugin Module
65-280-314
Matrix Switch Module
The 65-280-314 16x16 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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Product
PXI Solid State Switch Module, 6xSPST, 10 A
40-182A-011
Switch Module
The 40-182A-011 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. Each SPST switch can support 10A of continuous current and switch up to 200V signals. The switch can sustain inrush currents in excess of 50A. AC or DC signals can be switched since the switch is polarity insensitive.
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Product
PXI/PXIe Power Relay Module, 1xSP4T, 20 Amp
40-166-203
Relay
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, 18xSPST, 5 Amp, 37-pin D-type Connector, With Interlock
42-153-104-HI
Relay
The 40/42-153-104-HI is a PXI/PXIe high density power relay module with 18xSPST 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 40/42-153 range is available in 18, 25, 36 or 50 SPST configurations with or without hardware interlock.
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Product
PXI/PXIe High Density Electro-mechanical Relay Module, 50xSPST, Normally Open
42-145A-001
Relay
The 40-145A-001 (PXI) and 42-145A-001 (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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Product
PXI/PXIe High Density Reed Relay Module, 75xSPST
40-140B-121
Reed Relay
The 40-140B-121 (PXI) and 42-140B-121 (PXIe) are 75xSPST 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.





























