Modular Systems > National Instruments > SwitchBlock Series

National Instruments - MXI-4 Series - 781420-10National Instruments - MXI-4 Series - 781420-10 - Wiring781420-10 New781420-10 | Legacy, Refurbished and New Surplus
National Instruments - MXI-4 Series - 781420-10
National Instruments - MXI-4 Series - 781420-10 - Wiring
781420-10 New
781420-10 | Legacy, Refurbished and New Surplus
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781420-10, 20 W, 240 g, 176 Relays, NI 2810A Matrix Switch Card
4.7/5 | 18 ratings
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National Instruments 781420-10 Matrix Switch Card

The National Instruments 781420-10 is a high density matrix switch card designed specifically for use with the NI SwitchBlock. It is also known as the NI 2810A. This modular matrix switch card offers versatility and flexibility by allowing integration with other NI 2810 cards. This enables the creation of a fully customized NI SwitchBlock multicard device for complex signal routing tasks. The maximum switching voltage of the 781420-10 is 150 V with row/column-to-ground isolation up to 150 V. It also has a maximum switching current of 1.0 A per channel with a similar carry current rating.

Each channel can switch a maximum power of 20 W. This makes it effective for moderate power applications with excellent thermal management to prevent overloads during continuous operations. The matrix switch card has a low DC path resistance which starts at less than 1 Ω. As the relay ages, the resistance increases but remains under 2 Ω. Its isolation performance is strong with more than 65 dB isolation at 10 kHz, 60 dB at 100 kHz and 35 dB at 1 MHz. This helps to reduce crosstalk between channels in higher frequency applications.

The 781420-10 model’s relay operation is highly efficient by offering quick operate and release times with up to 8 relays functioning in under 1 ms and up to 50 relays in less than 2 ms. The mechanical life expectancy of the relays reaches an impressive 1 billion cycles while the electrical life depending on load conditions ranges from 1 million to 100 million cycles. This ensures longevity even in high demand applications. Each relay consumes 50 mW and the total power consumption limit for the card is 8.8 W. The card has a compact physical design with dimensions of 11.2 cm x 1.2 cm x 17.1 cm and a weight of 240 g. The NI 781420-10 adheres to stringent safety standards including IEC 61010-1 and UL 61010-1. It also meets electromagnetic compatibility (EMC) requirements for Class A emissions. This ensures it can be used safely in professional laboratory and industrial environments. 

Part Number781420-10
Model NameNI 2810A
Part TypeMatrix Switch Card
Maximum Switching Current1.0 A (per channel)
Maximum Switching Power20 W (per channel)
Simultaneous Drive Limit176 relays
Power Consumption per Relay50 mW
Dimensions11.2 cm × 1.2 cm × 17.1 cm (4.4 in. × 0.5 in. × 6.7 in.)
Weight240 g (8.5 oz)
Warranty2 - 3 years


Why Buy From Apex Waves:

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Overnight, Next Day Air or Expedited shipping options available
International delivery available
Same day shipping for in-stock on location
Warranty: All of our products are covered by our Apex Waves Warranty.
3 Year Warranty - New Surplus Parts
2 Year Warranty - Refurbished Parts
Returns: No hassle return policy.
Dedicated customer service team.
Payment: Authorize.net Visa Master Card American Express BB&T Better Business Bureau Dun & Bradstreet
Quick Quotes: Receive Price & Availability Today!
Calibration: Ask About Our Tiered Calibration Levels
Option & Modules: Confirm Your Requirements or Versions
Repair: Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
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Common Typos: I81420-10, 7814W0-10, 78142O-10, 781420-Q0, 781420-1P

781420-10



Modular Systems > National Instruments > SwitchBlock Series

781420-10, 20 W, 240 g, 176 Relays, NI 2810A Matrix Switch Card
4.7/5 | 18 ratings

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1-800-915-6216

National Instruments 781420-10 Matrix Switch Card

The National Instruments 781420-10 is a high density matrix switch card designed specifically for use with the NI SwitchBlock. It is also known as the NI 2810A. This modular matrix switch card offers versatility and flexibility by allowing integration with other NI 2810 cards. This enables the creation of a fully customized NI SwitchBlock multicard device for complex signal routing tasks. The maximum switching voltage of the 781420-10 is 150 V with row/column-to-ground isolation up to 150 V. It also has a maximum switching current of 1.0 A per channel with a similar carry current rating.

Each channel can switch a maximum power of 20 W. This makes it effective for moderate power applications with excellent thermal management to prevent overloads during continuous operations. The matrix switch card has a low DC path resistance which starts at less than 1 Ω. As the relay ages, the resistance increases but remains under 2 Ω. Its isolation performance is strong with more than 65 dB isolation at 10 kHz, 60 dB at 100 kHz and 35 dB at 1 MHz. This helps to reduce crosstalk between channels in higher frequency applications.

The 781420-10 model’s relay operation is highly efficient by offering quick operate and release times with up to 8 relays functioning in under 1 ms and up to 50 relays in less than 2 ms. The mechanical life expectancy of the relays reaches an impressive 1 billion cycles while the electrical life depending on load conditions ranges from 1 million to 100 million cycles. This ensures longevity even in high demand applications. Each relay consumes 50 mW and the total power consumption limit for the card is 8.8 W. The card has a compact physical design with dimensions of 11.2 cm x 1.2 cm x 17.1 cm and a weight of 240 g. The NI 781420-10 adheres to stringent safety standards including IEC 61010-1 and UL 61010-1. It also meets electromagnetic compatibility (EMC) requirements for Class A emissions. This ensures it can be used safely in professional laboratory and industrial environments. 

Part Number781420-10
Model NameNI 2810A
Part TypeMatrix Switch Card
Maximum Switching Current1.0 A (per channel)
Maximum Switching Power20 W (per channel)
Simultaneous Drive Limit176 relays
Power Consumption per Relay50 mW
Dimensions11.2 cm × 1.2 cm × 17.1 cm (4.4 in. × 0.5 in. × 6.7 in.)
Weight240 g (8.5 oz)
Warranty2 - 3 years

Why Buy From Apex Waves

Apex Waves Youtube Video

"The business transaction was super easy and friendly."


"Hand carrying parts to fedex directly to make sure I get them overnight. Great service"


"They were very helpful to get me the test equipment that I need."


Delivery: UPS, FedEX and DHL – Free FedEx Ground on all orders
Overnight, Next Day Air or Expedited shipping options available
International delivery available
Same day shipping for in-stock on location
Warranty: All of our products are covered by our Apex Waves Warranty.
3 Year Warranty - New Surplus Parts
2 Year Warranty - Refurbished Parts
Returns: No hassle return policy.
Dedicated customer service team.
Payment: Authorize.Net paypal visa card master card american express card BB&T Bank better business bureau
Quick Quotes: Receive Price & Availability Today!
Calibration: Ask About Our Tiered Calibration Levels
Option & Modules: Confirm Your Requirements or Versions
Repair: Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
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