High load switching in a single PXI slot

October 23, 2020 //By Nick Flaherty
High load switching in a single PXI slot
The Model 40-166 PXI power relay from Pickering Interfaces delivers industry’s highest switching capacity using electromechanical relays

Pickering Interfaces has high power electromechanical relay PXI module that provides the industry’s highest switching capacity in the smallest footprint.

The model 40-166 fits in a single PXI slot and is available with SPST, SPDT or SP4T switching configurations. It uses power relays that suitable for switching loads up to 20A (SPDT & SP4T versions) or 30A at 277VAC (SPST) and can switch voltages up to 480VAC or 300VDC.

The power relay modules are aimed at switching heavy AC or DC loads or for controlling large external relays, contactors and solenoids. The range is suitable for applications requiring switching of either mains voltage or DC and can switch up to 480VAC or 300VDC with a maximum power of 5500VA/600W (SPST configuration). This latest module also offers significant bandwidth performance (-3dB) for a 30MHz (typical) power relay module.

“The single PXI slot envelope maximizes switching density within the chassis when compared to other high current modules aimed at the automotive and defense sectors. Spare relay kits are available, allowing customers – with appropriate training – to repair devices on-site, thus minimizing system downtime," said Steven Edwards, Switching Product Manager at Pickering.

The 20A & 30A versions of this high power module feature connector keying, and VISA, IVI & Kernel drivers are supplied for Windows. Pickering’s connection division offers a range of cable accessories to support the 40-166 range, and the devices are supported by any PXI chassis or Pickering’s Modular LXI and LXI/USB chassis.


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