GPP Electrofisher Output Current Operating Limits
Smith-Root Staff
Last Updated: August 26, 2026
Understanding the Operating Limits
The GPP Electrofisher has two types of current limits to protect itself:
- Warning Level: Current exceeds this → “High Current Warning” appears, but unit continues operating
- Error Level: Current exceeds this → “High Current Error” appears, High Voltage Indicator turns off, unit stops operating
To resume: Release foot-switch, decrease Voltage/Power setting, and re-press foot-switch.
| 2.5 GPP (v1.3.42+) | |||
|---|---|---|---|
| Voltage Range | Frequency Setting | Warning Current (A) | Error Current (A) |
| 50-500 V | 60/120 CPS | 5.8 | 7.2 |
| 50-500 V | 60 CPS | 4.0 | 5.0 |
| 50-500 V | 30 CPS | 4.0 | 5.0 |
| 50-500 V | 15 CPS | 4.0 | 5.0 |
| 50-500 V | 7.5 CPS | 4.0 | 5.0 |
| 50-1000 V | 60/120 CPS | 3.0 | 3.7 |
| 50-1000 V | 60 CPS | 2.1 | 2.6 |
| 50-1000 V | 30 CPS | 2.1 | 2.6 |
| 50-1000 V | 15 CPS | 2.1 | 2.6 |
| 50-1000 V | 7.5 CPS | 2.1 | 2.6 |
| 5.0 GPP (v1.3.42+) | |||
|---|---|---|---|
| Voltage Range | Frequency Setting | Warning Current (A) | Error Current (A) |
| 50-500 V | 60/120 CPS | 14.4 | 18.0 |
| 50-500 V | 60 CPS | 10.0 | 12.6 |
| 50-500 V | 30 CPS | 10.0 | 12.6 |
| 50-500 V | 15 CPS | 10.0 | 12.6 |
| 50-500 V | 7.5 CPS | 10.0 | 12.6 |
| 50-1000 V | 60/120 CPS | 7.2 | 9.0 |
| 50-1000 V | 60 CPS | 5.0 | 6.3 |
| 50-1000 V | 30 CPS | 5.0 | 6.3 |
| 50-1000 V | 15 CPS | 5.0 | 6.3 |
| 50-1000 V | 7.5 CPS | 5.0 | 6.3 |
| 7.5 GPP (v1.3.42+) | |||
|---|---|---|---|
| Voltage Range | Frequency Setting | Warning Current (A) | Error Current (A) |
| 120/170 V | 60/120 CPS | 50.0 | 62.5 |
| 120/170 V | 60 CPS | 30.0 | 37.5 |
| 120/170 V | 30 CPS | 30.0 | 37.5 |
| 120/170 V | 15 CPS | 24.0 | 30.0 |
| 120/170 V | 7.5 CPS | 24.0 | 30.0 |
| 240/340 V | 60/120 CPS | 25.0 | 31.1 |
| 240/340 V | 60 CPS | 15.0 | 18.8 |
| 240/340 V | 30 CPS | 15.0 | 18.8 |
| 240/340 V | 15 CPS | 12.8 | 16.0 |
| 240/340 V | 7.5 CPS | 9.6 | 12.0 |
| 360/500 V | 60/120 CPS | 16.6 | 20.8 |
| 360/500 V | 60 CPS | 10.0 | 12.5 |
| 360/500 V | 30 CPS | 10.0 | 12.5 |
| 360/500 V | 15 CPS | 10.0 | 12.5 |
| 360/500 V | 7.5 CPS | 5.2 | 6.5 |
| 720/1000 V | 60/120 CPS | 8.3 | 10.4 |
| 720/1000 V | 60 CPS | 5.0 | 6.3 |
| 720/1000 V | 30 CPS | 4.8 | 6.0 |
| 720/1000 V | 15 CPS | 3.6 | 4.5 |
| 720/1000 V | 7.5 CPS | 3.0 | 3.8 |
| 9.0 GPP (v1.3.42+) | |||
|---|---|---|---|
| Voltage Range | Frequency Setting | Warning Current (A) | Error Current (A) |
| 120/170 V | 60/120 CPS | 120.0 | 150.0 |
| 120/170 V | 60 CPS | 84.9 | 106.1 |
| 120/170 V | 30 CPS | 60.0 | 75.0 |
| 120/170 V | 15 CPS | 42.4 | 53.0 |
| 120/170 V | 7.5 CPS | 30.0 | 37.5 |
| 240/340 V | 60/120 CPS | 60.0 | 75.0 |
| 240/340 V | 60 CPS | 42.4 | 53.0 |
| 240/340 V | 30 CPS | 30.0 | 37.5 |
| 240/340 V | 15 CPS | 21.2 | 26.5 |
| 240/340 V | 7.5 CPS | 15.0 | 18.8 |
| 360/500 V | 60/120 CPS | 30.0 | 37.5 |
| 360/500 V | 60 CPS | 21.2 | 26.5 |
| 360/500 V | 30 CPS | 15.0 | 18.8 |
| 360/500 V | 15 CPS | 10.6 | 13.3 |
| 360/500 V | 7.5 CPS | 7.5 | 9.4 |
| 720/1000 V | 60/120 CPS | 15.0 | 18.8 |
| 720/1000 V | 60 CPS | 10.6 | 13.3 |
| 720/1000 V | 30 CPS | 7.5 | 9.4 |
| 720/1000 V | 15 CPS | 5.3 | 6.6 |
| 720/1000 V | 7.5 CPS | 3.8 | 4.7 |