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National Instruments CB-37FV DIN rail terminal block
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National Instruments · NI DAQ connectivity accessories

NI CB-37FV

The NI CB-37FV is a 37-pin female D-SUB terminal block for vertical DIN rail mounting. NI lists screw-terminal and spring-terminal versions, so the part number determines the field-wiring connection.

ManufacturerNational Instruments
ModelCB-37FV
Part Number778672-01 · 778685-01
Product TypeDIN rail terminal block
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Free Shippingfull policy linked
30-Day Warrantystandard coverage
30-Day Returnspolicy applies
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Device-side interface37-pin female D-SUB
Mounting orientationPerpendicular to the DIN rail
Screw-terminal version778672-01
Spring-terminal version778685-01
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Overview

Product overview

Key product information and technical features.

The CB-37FV provides a terminal-block connection point for supported NI DAQ systems using 37-position D-SUB cabling. NI identifies the FV mounting arrangement as perpendicular to the DIN rail, in contrast to the inline arrangement of the CB-37FH.

Select the terminal style by part number and check the device-specific cable guidance before planning the connection. NI supplies separate dimensional drawings and CAD models for both CB-37FV part numbers.

  • 37-position D-SUB connectivity for supported NI DAQ accessories and cables.
  • Vertical DIN rail installation with the block oriented perpendicular to the rail.
  • Part-number-specific screw-terminal and spring-terminal wiring options.
  • Official 2D drawings and 3D CAD models for mechanical planning.
Verified specifications

Technical data

Verified product specifications.

Back-end connector37-pin female D-SUB
MountingVertical DIN rail; perpendicular to rail
Terminal connection — 778672-0137-pin female screw terminal
Terminal connection — 778685-0137-pin female spring terminal
Condition & included items

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Condition

Confirmed per unit.

Included

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Revision

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Compatibility

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National Instruments

Manufacturer

NI DAQ connectivity

Device-specific cables and terminal-block accessories

CB-37FV

37-pin vertical DIN rail terminal block

Mechanical distinction

FV mounts perpendicular to the DIN rail; FH mounts inline with the rail.

Confirm the actual part number, device pinout, and recommended cable; the model name alone does not identify the terminal style.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI CB-37FV Product and Part-Number DetailsOfficial Product Page · ni.com
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CB-37FV Dimensional DrawingsDimensional Drawings And CAD Models · ni.com
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NI DAQ Multifunction I/O Cable and Accessory Compatibility GuideAccessory Compatibility Guide · ni.com
Open →
NI M Series User Manual — 37-Pin Cables and AccessoriesTechnical resource
Open →
Shipping, warranty & returns

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Warranty
30-Day Warranty. Standard coverage applies.
Returns
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Related products

Alternatives & system components

Related model
CB-37FHView product →
Related model
CB-37F-LPView product →

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does every CB-37FV use screw terminals?

No. NI identifies 778672-01 as the screw-terminal version and 778685-01 as the spring-terminal version. Confirm the part number on the unit.

How does CB-37FV mounting differ from CB-37FH mounting?

The CB-37FV mounts perpendicular to the DIN rail. The CB-37FH mounts inline or horizontally with the rail.

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