Discontinued - Thyristor Regulators
| Model | Product Name | Discontinued Date | Replacement Model | Repair | Calibration |
| JA | Single-Phase Thyristor Regulator | Jun 2001 | JB Series | No | N/A |
| JS | Single-Phase Thyristor Regulator | Jun 2007 | JU Series | No | N/A |
| JT | Three-Phase Thyristor Regulator | Jun 2007 | JW Series | No | N/A |
| JU (750A, 1000A only) | Single-Phase Thyristor Regulator JU Series | Mar 2023 | Please Contact Us | No | N/A |
| JU□□□□□□□513, JU□□□□□□□613 | Single-Phase Thyristor Regulator with Control Function JU Series | Mar 2007 | Requires combination of a controller and JU Series | No | N/A |
|
JW□□□□□□□□□3 (Current JW models have all been changed to 6-arm configuration) |
Three-Phase Thyristor Regulator JW Series (3-Arm Type) | Mar 2007 | Current JW Series | No | N/A |
| JW (750A, 1000A only) | Three-Phase Thyristor Regulator JW Series | Jun 2023 | Please Contact Us | Available | N/A |
| JZ (40A only) | Solid State Relay (SSR) JZ Series | Nov 2025 | Please Contact Us | Available | N/A |
| MAS | Magnetic Contactor | Nov 2001 | Please Contact Us | N/A | N/A |
| MER | Mercury Relay | Dec 2009 | Please Contact Us | N/A | N/A |
| MSR-□0□□B | Solid State Relay (SSR) MSR Series | Mar 2007 | JZ Series | N/A | N/A |
| SF, SB | Thyristor Regulator Trigger Unit | Jun 1991 | Combination with SH | No | N/A |
| SH | Thyristor Regulator | Jun 1991 | JU Series | No | N/A |
| SV | Thyristor Regulator | Jun 1991 | JB Series | No | N/A |
| TF, TB | Thyristor Regulator Trigger Unit | Jun 1991 | Combination with TH | No | N/A |
| TH | Thyristor Regulator Trigger Unit | Jun 1991 | JW Series | No | N/A |
Notes:
1.The standard maintenance support period after product discontinuation is generally 5 years.
2.Repair Status: Available = Repairable / No = Repair Service Discontinued / Contact Us = Please Inquire / N/A = Not Applicable
3.Calibration Status: Available = Calibratable / No = Calibration Service Discontinued / Contact Us = Please Inquire / N/A = Not Applicable