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July 2025
GMCT20-GMCT20 Request for Availability
GMCT20-GMCT20, 20 Pin GMCT Female Connector, NI Switch Cable
Rated 4.5/5 | 19 ratings
Actual item may vary if no part number is provided on quote request.
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Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments GMCT20-GMCT20 Switch Cable
The National Instruments GMCT20-GMCT20 (Part Number: 781256-01) cable is a 1-meter switch cable for precise signal routing between instruments and devices under test. The GMCT20-GMCT20 cable features 20-pin GMCT female connectors on each end and is designed for direct compatibility with the NI PXI-2585 PXI Multiplexer Switch Module and the NI PXI-2586 PXI Relay Module to ensure seamless integration and reliable operation in test applications.
The maximum voltage supported is up to 300 V and supports CAT II safety, enabling high electrical safety and reliability in various environments. Up to 12 A can be handled per channel. Furthermore, two channels are capable of running simultaneously at this maximum current. The GMCT20-GMCT20 has been designed for use over the long term in demanding operational conditions with consistent signal integrity, utilizing high-quality Positronic connectors along with rugged construction.
The GMCT20-GMCT20 Cable is commonly used in automated test systems and makes the integration of the NI switch modules for such complicated applications in signal routing relatively easy. It would be very useful in such tasks as multiplexing signal paths and connecting various instruments to DUTs that carry out diagnostics, quality control, and functional testing. The GMCT20-GMCT20 provides easy setup with preconfigured 20-pin GMCT connectors and correct alignment to the pin assignments of the supported switch modules.
The physical weight of the GMCT20-GMCT20 cable is approximately 499 grams, or 17.6 ounces, which gives a good balance between portability and robustness. This cable will operate within temperatures of 0 °C to 55 °C and store from -20 °C to 70 °C, enabling GMCT20-GMCT20 to work in most environments. Besides, it can support relative humidity of 5-85% without condensation, which also expands its applicability and reliability for indoor usages.
| Model Name | GMCT20-GMCT20 |
|---|---|
| Part Number | 781256-01 |
| Part Type | Switch Cable |
| Length | 1 meter |
| Connector Type | 20-pin GMCT female on both ends |
| Voltage Rating | 300 V, CAT II |
| Current Capacity | 12 A per channel (up to two channels simultaneously at maximum current) |
| Operating Temperature | 0 °C to 55 °C |
| Storage Temperature | -20 °C to 70 °C |
| Weight | Approximately 499 g (17.6 oz) |
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