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Appendices
NX-series Data Reference Manual (W525)
A-4 List of Screwless Clamping Terminal
Block Models
A
A-4-1 Model Notation
A-4 List of Screwless Clamping Terminal
Block Models
This section explains how to read the Screwless Clamping Terminal Block model numbers and shows
the Screwless Clamping Terminal Block models that are applicable to each Unit.
The Screwless Clamping Terminal Block models are assigned based on the following rules.
The following table shows a list of Screwless Clamping Terminal Blocks.
Note When you purchase a Terminal Block, purchase an NX-TB2.
A-4-1 Model Notation
A-4-2 List of Terminal Block Models
Terminal Block model Number of terminals Ground terminal mark Terminal current capacity
NX-TBA081 8 Not provided 4 A
NX-TBA121 12
NX-TBA161 16
NX-TBB121 12
NX-TBB161 16
NX-TBA082 8 10 A
NX-TBA122 12
NX-TBA162 16
NX-TBB082 8
NX-TBB122 12
NX-TBB162 16
NX-TBC082 8 Provided
NX-TBC162 16
NNX -T-TB    
Product type
TB: Terminal block
Terminal specifications
A: Column letter indication A/B, without functional ground terminal
B: Column letter indication C/D, without functional ground terminal
C: Column letter indication A/B, with functional ground terminal
Number of terminals
08: 8 terminals
12: 12 terminals
16: 16 terminals
Other specifications
1: Terminal current capacity of 4 A
2: Terminal current capacity of 10 A
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