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National Instruments CB-37F-LP Unshielded screw-terminal connector block

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National Instruments · NI DAQ connectivity accessories

NI CB-37F-LP

The NI CB-37F-LP is an unshielded connector block that provides screw-terminal access to supported NI DAQ devices with 37-pin connectors. It can mount directly to the device or connect through a cable.

ManufacturerNational Instruments

ModelCB-37F-LP

Part Number779353-01

Product TypeUnshielded screw-terminal connector block

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NI part number779353-01

Device connection37-pin female D-Sub

Field wiring40 screw terminals

ConstructionUnshielded

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Overview

Product overview

Key product information and technical features.

This connector block provides an accessible wiring interface between external signals and a supported NI DAQ device. Its female D-Sub connection supports direct attachment or cable-connected placement.

Signal assignments depend on the connected device; use that device's documentation when wiring the numbered terminals.

37-pin female D-Sub device interface.
Unshielded screw-terminal breakout construction.
Direct-mount and cable-connected configurations.
Three shield terminals in addition to the 37 signal-pin terminals.

Verified specifications

Technical data

Verified product specifications.

I/O connector	37-pin female D-Sub
Screw terminals	40
Shielding	Unshielded
Dimensions	5.733 × 8.113 × 1.417 cm
Terminal type	Angled entry, 3.91 mm pitch
Operating temperature	0 to 55 °C
Storage temperature	-20 to 70 °C
Relative humidity	10 to 90, noncondensing %
Use environment	Indoor only

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Condition

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Included

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Compatibility

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National Instruments

Manufacturer

NI DAQ 37-pin connectivity

Device interface

CB-37F-LP

Screw-terminal breakout

Mounting

Direct device connection or cable connection; standoff mounting listed by NI.

Not designed for input voltages above 42 Vpk, even with an external voltage divider. Follow the connected device's limits.

Manuals & software

Technical resources

Manuals, software and technical resources for this model.

NI CB-37F-LP Product PageProduct Page · ni.com

NI CB-37F-LP Installation GuideInstallation Guide · download.ni.com

CB-37F-LP Product CertificationsCertification Resource · ni.com

NI DAQ Accessory Terminology, Wiring and Connectivity GuideTechnical resource

Shipping, warranty & returns

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Warranty

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Returns

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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Does the CB-37F-LP require a cable?

No. It supports direct mounting to a supported device. For remote placement, the installation guide describes using an SH37F-37M cable.

Are all 40 terminals separate DAQ channels?

No. There are 37 connector-pin terminals and three shield terminals; channel functions depend on the connected device.

Is the CB-37F-LP shielded?

No. NI identifies this model as an unshielded connector block.

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