SPST
Single Pole Single Throw relay.
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Product
PXI Solid State Switch Module, 6xSPST, 30 A
40-183B-011
Switch Module
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
PCI Reed Relay Card, 32xSPST
50-115B-021
Reed Relay
The 50-115B-021 is a 32xSPST PCI general purpose switching card and is part of our 50-110B/50-115B 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, 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 Solid-State Switch Module, 3xSPST, 25 A, 100 V, Hardware Interlock
40-184A-002-HI
Switch Module
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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Product
Flow Indicator
Qualitrol 092
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Designed to indicate “pump on” and “pump off” conditions within a forced cooling system. Select models also indicate flow direction. Up to two SPST or SPDT switches are available for control and/or alarm functions. Large dial face provides easy viewing and is magnetically coupled to the flange assembly allowing leak free replacement if damaged.
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Product
PXI 32 x SPDT Electromechanical Relays
40-148-001
Relay
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/PXIe Power Relay Module, 16xSPDT
40-158-003-HI
Relay
The 40/42-158-003-HI is a PXI/PXIe high density power relay module with 16xSPDT 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. Electro-mechanical power relays are used which are suitable for switching loads up to 5A at 250VAC.
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Product
PCI Reed Relay Card, 64xSPDT
50-110B-121
Reed Relay
The 50-110B-121 is a 64xSPDT PCI general purpose switching card and is part of our 50-110B/50-115B 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
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 2xSPST Automotive Relay
40-180-011
Relay
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
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
PXI 8x SPST High Voltage Reed Relays
40-310-001
Reed Relay
The 40-310/320 range of high voltage switching modules will hot switch up to 750V peak and cold switch up to 1000V peak in either general purpose relay (40-310) or multiplexer (40-320) configurations. These modules contain high-quality reed relays with switching ratings comfortably higher than the 40-310/320 specification. Applications include; circuit board isolation testing, relay testing, semiconductor breakdown monitoring and cable harness insulation testing.
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Product
SIMRC - 16 x Uncommitted Reed Relay, SPST Screened
1010-R-16-1RF-5/1D
Reed Relay
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/PXIe Power Relay Module, 36xSPST, 5 Amp, 50-pin SGMC Connectors
40-153-002
Relay
The 40/42-153-002 is a PXI/PXIe high density power relay module with 36xSPST 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 3-Channel 10A Solid State SPST Switch
40-182-012
Switch Module
The 40-182-012 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. 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,5 Amp, 50-pin SGMC Connector
40-153-004-HI
Relay
The 40/42-153-004-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 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
General Purpose PXI Relay Switch Modules
Switch Module
PXI relay switch modules offer reliable switching in a variety of configurations. They consist of multiple independent single-pole single-throw (SPST), single-pole double throw (SPDT), double-pole single-throw (DPST) and double-pole double-throw (DPDT) relays. Our PXI relay switch modules come in a variety of relay types including reed relays, electromechanical relays (EMR) and solid state relays—offering you the optimum switching performance for your application.
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Product
PXI/PXIe High Density Electro-mechanical Relay Module, 48xSPDT
40-148A-101
Relay
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 Reed Relay Module, 50xSPST
42-140B-021
Reed Relay
The 40-140B-021 (PXI) and 42-140B-021 (PXIe) are 50xSPST 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, 3xSPDT, 20 Amp
42-166-102
Relay
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
PXI/PXIe High Density Reed Relay Module, 100xSPST
42-140-221
Reed Relay
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
4-Ch Relay With 2-Ch Digital Input EtherCAT Slice IO Module
AMAX-5060
EtherCAT Slice IO Module
Relay Type: Form A (SPST)Contact Rating: 250VAC @ 5A, 30VDC @ 5AInsulation Resistance: 1 GΩ (min.) @ 500 VDCBreakdown Voltage: 500VAC (50/60Hz)
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Product
LXI Optical Switching - 4x4 Matrix Plugin Module
65-280-321
Matrix Switch Module
The 65-280-321 4x4 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 Power Relay Module, 12xSPDT, 16 A
40-161A-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. Electro-mechanical power relays are used wich are suitable for switching loads up to 16 A at 250 VAC.
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Product
PXI/PXIe Power Relay Module,5 Amp, 37-pin D-type Connector
40-153-104-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
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
PXI Power Relay Module, 16xSPST, 16 A, With Interlock
40-161A-001-HI
Relay
The 40/42-161A-001-HI is a PXI/PXIe 16xSPST 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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Product
PCI Programmable Resistor Card 2-Channel 2.5 Ohm To 4.09k Ohm - SPST
50-294-123
Programmable Resistor Module
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
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/PXIe Power Relay Module, 5 Amp, 50-Pin D-type Connector, With Interlock
40-158-103-HI
Relay
The 40/42-158-103-HI is a PXI/PXIe high density power relay module with 16xSPDT 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 40/42-158 range is available in 8, 16, 24 or 32 SPST configurations with or without hardware interlock.
