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Starting From US$ 1,099

Typical Configuration  

Typical Configuration

34937A 32-Channel Form C/Form A General Purpose Switch Module for 34980A

  • R-51B-001-Z Return to Keysight Warranty - 3 years
  • 34937T Terminal block For 34937A and L4437A GP Switch
    • R-51B-001-C Return to Keysight Warranty - 1 year
  • 34937A-0B0 Download the product manual from the Keysight website


Prices for: United States

* Prices are subject to change without notice. Prices shown are Manufacturer's Suggested Retail Prices (MSRP). Prices shown are exclusive of taxes.

Key Features & Specifications

  • 28 Form C channels up to 1A, 60W
  • 4 Form A channels up to 5A, 150W
  • Latching armature relays, with relay counter
  • Temperature sensor for overheating conditions
  • Simultaneous channel switching


The Keysight 34937A is a general-purpose switch module for the 34980A Multifunction Switch/Measure Unit. It has 28 independent single-pole, double-throw (SPDT) 1A relays and 4 single-pole, single-throw (Form A) 5A relays. This module is used to cycle power to products under test, control indicator and status lights, and to actuate external power relays and solenoids. The Form C channels are 300V, 1A contacts and can handle up to 60W, and the Form A channels are 30VDC/250VAC, 5A contacts and can handle up to 150W. Standard 50-pin Dsub connectors allow for use with standard cables, terminal blocks, or mass interconnect solutions.