| Product | SEL-734 | SEL-734P | SEL-735 Basic | SEL-735 Intermediate | SEL-735 Advanced | |
|---|---|---|---|---|---|---|
| Warranty (years) | 10 | 10 | 10 | 10 | 10 | |
| Metering, General | ||||||
| Published Accuracy | ANSI C12.20-2002, 0.2 accuracy class; IEC 62053-22:2003, 0.2 accuracy class; IEC 62053-23:2003, 2 accuracy class | ANSI C12.20-2015, 0.1 accuracy class; IEC 62053-22:2003, 0.2 accuracy class; IEC 62053-23:2003, 2 accuracy class | ||||
| Published 0.2% Accuracy Range for CL 20, PF=1 | 50 mA–20 A | 10 mA–22 A | ||||
| Accuracy Compliance With ANSI C12.20 0.2 Accuracy Class | Superior accuracy performance | Superior accuracy performance; 0.1 accuracy class compliance | ||||
| Load Profile Recorders × Channels | 1 × 16 | 12 × 16 | 1 × 16 | 12 × 16 | 32 × 16 | |
| Instrument Transformer Compensation (PT phase angle degrees) | –180 to +180 | –5 to +5 | ||||
| Voltage Range (L-N) Form 9, Nominal | 57–300 V | Revenue: 28–300 V; measurement: 5–300 V | ||||
| Current Input | CL10/CL20 option; 0.15–20 A CL2 option; 0.010–6 A | Current Class CL2/CL10/CL20, optimized for low-end accuracy; Current Class CL10/CL20, optimized for 100 A fault recording | ||||
| Number of Elements (form factor) | 2, 3 (Form 5 and Form 9) | 2, 3 (Form 5, Form 9, and Form 36) | ||||
| Bi-directional metering | Yes | |||||
| Temperature Range—Operating | –40° to +85°C (–40° to +185°F) | |||||
| Memory | 32 MB | 128 MB | 128 MB | 256 MB | 1 GB | |
| Power Quality | ||||||
| IEC 61000-4-30 Power Quality | No | Yes | ||||
| Individual Harmonic Measurements; Highest Harmonic | Yes; 15th | Yes; 50th | Yes; 15th | Yes; 63rd | ||
| Harmonic Phase Angles | No | Yes | No | No | Yes | |
| Variable Event Report Length | No | Yes | No | Yes | Yes | |
| 61000-4-15 Flickermeter | No | Yes | No | Yes | Yes | |
| Waveform Capture, 6 Channels (V and I) | 1 kHz sample rate; 0.25-second report duration; over 60 1 kHz reports captured | 1 kHz or 8 kHz sample rate; up to 10-second report duration; 126 1 kHz event reports captured | 16 samples/cycle; 0.25-second report duration; over 256 1 kHz event reports captured | 16 or 128 samples/cycle; up to 10-second report duration; over 6,000 1 kHz event reports captured | From 16 to 512 samples/cycle; up to 10-second report duration; over 10,000 1 kHz event reports captured | |
| Synchrophasors | Yes, using SEL Fast Message | Yes, IEEE C37.118-2011 for models with an Ethernet port | ||||
| VSSI Recording | Yes | |||||
| IRIG-B Input | Yes | |||||
| COMTRADE | Yes | |||||
| PQDIFF Report | No | |||||
| Miscellaneous | ||||||
| Programmable Logic | SELogic, 32 elements | SELogic, 16 elements | ||||
| Inherent UTC Offset | Not available | Available | ||||
| IEC 61850 Protocol | No | Optional on models with Ethernet port | ||||