| SEL-311C-1 Transmission Protection System |
| SEL-311C-2 Single-Pole Transmission Protection System |
| SEL-311C-3 Single-Pole Transmission Protection System |
| SEL-311L Line Current Differential System |
| SEL-351 Protection System |
| SEL-351A Protection System |
| SEL-351R Recloser Control |
| SEL-351S Protection System |
| SEL-387E Current Differential and Voltage Relay |
| SEL-401 Sampled Values Publisher, Protection, Automation, and Control Merging Unit |
| SEL-411L Advanced Line Current Differential Protection, Automation, and Control System |
| SEL-421 Protection, Automation, and Control System |
| SEL-421-7P Sampled Values Publisher, Protection, Automation, and Control System |
| SEL-421-7S Sampled Values Publisher, Protection, Automation, and Control System |
| SEL-451 Protection, Automation, and Control System |
| SEL-451-6S Sampled Values Subscriber, Protection, Automation, and Control System |
| SEL-487B Bus Differential Relay |
| SEL-487B-2S Sampled Values Subscriber, Bus Differential Relay |
| SEL-487E Bus Differential Relay |
| SEL-487E-5S Sampled Values Subscriber, Transformer Protection Relay |
| SEL-487V Capacitor Bank Protection, Automation, and Control System |
| SEL-651R Advanced Recloser Control |
| SEL-651RA Recloser Control |
| SEL-700G Generator Protection Relay |
| SEL-710 Motor Protection Relay |
| SEL-710-5 Motor Protection Relay |
| SEL-735 Power Quality and Revenue Meter |
| SEL-751 Feeder Protection Relay |
| SEL-751A Feeder Protection Relay |
| SEL-787 Transformer Protection Relay |
| SEL-787-4 4 Winding Transformer Protection Relay |
| SEL-849 Motor Management Relay |
| SEL-2411 Programmable Automation Controller |
| SEL-2414 Transformer Monitor |
| SEL-2440 DPAC Discrete Programmable Automation Controller |
| SEL-2664S Stator Ground Protection Relay |
| SEL-3505 Real-Time Automation Controller (RTAC) |
| SEL-3530 Real-Time Automation Controller (RTAC) |