SPST
Single Pole Single Throw relay.
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Product
SIMRC - 16 x Uncommitted Reed Relay, SPST
1010-R-16-1-5/1D
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
PCI Programmable Resistor Card 2-Channel 3 Ohm To 16.3k Ohm - SPST
50-294-131
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 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
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 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
40-153-103-HI
Relay
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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Product
PXI/PXIe Power Relay Module, 16xSPDT, 5 Amp, 50-Pin SGMC Connector
40-158-003
Relay
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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Product
PXI 75 x SPST Ruthenium Reed Relay Switching
40-140A-121
Relay
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 Power Relay Module, 8xSPDT, 5 Amp, 37-Pin D-type Connector
40-158-104
Relay
The 40/42-158-104 is a PXI/PXIe high density power relay module with 8xSPDT switches rated at 5A. User connection is via a 37-pin D-type 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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Product
PXI SPST Switch: 50-ch, 100Vrms/1A, Reed Relays
M9132A
SPST Switch
The M9132A is a high-density, general purpose switch with50 independent, single-pole, single-throw (Form A) switches in a single PXI module. This module can be used to cycle power to products under test, control indicator and status lights or actuate external power relays and solenoids. The high-speed, long-life reed relays can handle 100Vrms and 1A, with up to 25W power. Choose from the durable connector block or standard cable connections.
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Product
LXI Optical Switching - 8x8 Matrix Plugin Module
65-280-313
Matrix Switch Module
The 65-280-313 8x8 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/PXIe Power Relay Module, 37-Pin D-type Connector, With Interlock
40-158-104-HI
Relay
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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Product
PXI 12xSPST 16A Power EMR Module
40-161-002
Relay
This40-161 range of PXI power relay modules is available with achoice of 16 x SPST, 12 x SPST, 10 x SPST, 12 x SPDT and 6 x SPDT power relays, for switching loads up to 16A at250VAC. These Power Relay Modules are intended for switching heavy AC or DC loads or for the slave switching of large external relays, contactors and solenoids. The 40-161 is ideal for switching up to 16A in both AC and DC applications.
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Product
PXI Relay Module
Relay
PXI Relay Modules consist of multiple independent relays, such as single-pole single-throw (SPST), single-pole double-throw (SPDT), and double-pole double-throw (DPDT) relays. PXI Relay Modules use a variety of relay types, including electromechanical armature relays, reed relays, field-effect transistor (FET) relays, and solid-state relays, each with their own benefits, allowing you to choose a set of relays that fit your requirements. To program the relays, you can use the IVI-compliant NI-SWITCH driver software, complete with help documentation, example programs, and a soft front panel application for interactive control. For intelligent management of complex switch systems, NI Switch Executive provides additional software tools to help you design, build, and deploy your switching system.
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Product
PXI/PXIe High Density Reed Relay Module, 100xSPST
40-140B-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
PCI 32xSPDT Shielded Reed Relay Card
50-120-021
Reed Relay
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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Product
PXI/PXIe Power Relay Module, 16xSPDT, 5 Amp, 50-Pin SGMC Connector
42-158-003
Relay
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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Product
PCI 32xSPDT Reed Relay Card
50-110A-021
Reed Relay
This is the 32xSPDT 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 Programmable Resistor Card 2-Channel 2.5 Ohm to 1.02k Ohm - SPST
40-294-121
Programmable Resistor Module
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
LXI Optical Switching - 32:1 Multiplexer Plugin Module
65-281-315
Multiplexer Module
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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Product
Ethernet to Relay Minibox™
Model 8064
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* Model 8064-11 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 VXI-11 compliant.* Easy configuration with any web browser.* Includes 50-pin mating connector for solder connections.* Optional 1 'U' high Rack Mounting Kits hold one or two 8064s.* Optional terminal board and terminal strip for easy connections without soldering. See the Ethernet Accessory page.
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Product
80/24 Channel SPST Plug-in Switch Card
1260-118/118A
Switch Card
The Astronics 1260-118/118A is an 80/24-channel, SPST (Form A) plug-in relay card for the Adapt-a-Switch™ platform.
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Product
20-Channel SPST Power Switch Card
1260-120
Switch Card
Each channel of the 1260-120 can switch up to 13A, 250VAC or 10A, 125VDC; its switching capability makes it the ideal solution for applications requiring high-current switching of AC power, DC power supplies, and AC or DC current sources.
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Product
PXI Power Relay Module, 12xSPDT, 16 A, With Interlock
40-161A-101-HI
Relay
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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Product
PXI 32 x SPDT Reed Relay
40-110-121
Relay
Our 40-110 and 40-115 range of reed relay switching modules 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. For applications requiring improved bandwidth and crosstalk performance please look at our 40-120/125 range of shielded reed relay cards. 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.). To simplify inter-relay wiring, interconnection points are built onto the circuit board thus easing the construction of complicated wiring.
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Product
8-Ch SPST 12A-250VAC 24VDC Multiplexer with CAN
H620047C2
Multiplexer Module
This module is ideal for switching up to 12A. Composed by eight relays organized in two trees of four with two relays 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
PXI 6-Channel 10A Solid State SPST Switch
40-182-011
Switch Module
The 40-182-011 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.
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Product
PXI 40Amp 14Volt 4xSPST Automotive Relay
40-180-101
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
PXIe Power Relay Module, 6xSPDT, 16 A
42-161A-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.





























