Announcing RD-20, RD-21 and RD-23 End of Sale

Effective February 6th, 2023, the RD-20, RD-21 and RD-23 Dytronic Single-Phase Portable Standards are no longer available for sale.

REPLACEMENTS: RADIAN RX-10, RX-11 and RX-15 Xytronic Single-Phase Standards are direct replacements for most RD-20, RD-21 and RD-23 applications.