NI (National Instruments) SWB-2833 4x71, 2 A, Electromechanical Relay Matrix Module for SwitchBlock

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NI (National Instruments) · Computer-Based Device

SWB-2833

The NI SWB-2833 is an electromechanical relay matrix module for SwitchBlock systems. It provides 4 rows, 71 columns, 2-wire operation and a maximum DC switching current of 2 A.

ManufacturerNI (National Instruments)

ModelSWB-2833

Part Number781420-33 · 781421-33

Product Type4x71, 2 A, Electromechanical Relay Matrix Module for SwitchBlock

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Number of Columns71

Maximum Switching Current DC2 A

Maximum Switching Voltage DC100 V

Relay TypeElectromechanical

Number of Rows4

Mode (n-wire)2-wire

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Overview

Product overview

Key product information and technical features.

The SWB-2833 is a 4x71 electromechanical relay matrix module for the NI SwitchBlock system. Its listed NI part numbers are 781420-33 and 781421-33.

The module supports signal routing between test instruments and test points on a unit under test, including connections involving oscilloscopes, digital multimeters, arbitrary waveform generators and power supplies.

4-row, 71-column matrix with 2-wire operation.
Electromechanical relays with a SwitchBlock bus connection.
Maximum DC switching current of 2 A; maximum AC carry current of 2 A.
Maximum switching voltage of 100 V DC and 100 V AC.
Switch bandwidth of 10 MHz.
Supports connecting inputs to outputs individually or jointly.

Verified specifications

Technical data

Verified product specifications.

Number of Columns	71
Maximum Switching Current DC	2 A
Maximum Switching Voltage DC	100 V
Relay Type	Electromechanical
Number of Rows	4
Mode (n-wire)	2-wire
Supported Hardware Platform	Computer-Based Device
Bus Connection	Switchblock
Crosspoints	272
Maximum Carry Current AC	2 A
Maximum Switching Voltage AC	100 V
Switch Bandwidth	10 MHz
NI part numbers	781420-33, 781421-33

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NI

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Computer-Based Device

Supported Hardware Platform

SWB-2833

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Specifications (NI)Specifications · ni.com

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FAQ

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Product-specific answers based on available technical information.

What is the NI SWB-2833?

It is a 4-row, 71-column electromechanical relay matrix module for SwitchBlock systems, using 2-wire operation.

Which NI part numbers are listed for the SWB-2833?

The listed part numbers are 781420-33 and 781421-33.

What are the listed current and voltage limits?

Maximum DC switching current is 2 A, and maximum AC carry current is 2 A. Maximum switching voltage is 100 V DC or 100 V AC. Consult the NI specifications for applicable operating conditions; carry current and switching current are different ratings.

What is the switch bandwidth?

The listed switch bandwidth is 10 MHz.