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781338-02, 300 V, TB-4300B Terminal Block for the B Terminal of the PXIe-4300
Rated 4.8/5 | 9 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 781338-02 Terminal Block
National Instruments part number 781338-02 is an identifying part number for the TB-4300B, a Terminal Block with Fault Voltage protection of 300V. The NI 781338-02 is designed for use with the National Instruments PXIe-4300 PXI Analog Input Module, specifically for the B terminal. National Instruments provides NI-DAQmx drivers and LabVIEW application tools for programming both the NI PXIe-4300 module and the NI 781338-02 Terminal Block.
The terminal block can be used with screw terminals for wire gauges up to 16 AWG, and National Instruments recommends a 5-year calibration interval for the 781338-02. It operates within a temperature range of 0 to 55 °C. The deivce should not be used for connections with signals or in Measurement Categories III/IV, and it has a maximum voltage rating of 300 V to protect against voltage faults. It operates with an attenuation ratio of 30:1 and has an input impedance of 1.2 MΩ.
The 781338-02 supports input voltage ranges of ±30, 60, 150, and 300 volts. It features an attenuator tolerance of 0.05% and a temperature coefficient of 5 ppm/°C for the attenuators. To ensure specified EMC performance, use this product only with shielded cables and accessories. Additionally, all I/O cables must be no longer than 10 meters (100 feet). Before connecting the NI 781338-02 Terminal Block, it is essential to consult the user manual thoroughly. The manual provides detailed instructions on proper setup, safety precautions, and operational guidelines, ensuring optimal performance and preventing potential damage to the device.
| Part Number | 781338-02 |
|---|---|
| Model Name | TB-4300B |
| Part Type | Terminal Block |
| Input Voltage Range | ±30, 60, 150, 300 Vpk |
| Attenuation | 30X |
| Input Impedance | 1.2 MΩ |
| Attenuator tolerance | 0.05% |
| Attenuator temperature coefficient | 5 ppm/°C |
| Fault Voltage Protection | 300 Vpk max |
| Cutoff Frequency | 1.31 mm² (16 AWG), max |
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