Products specifications
| Attribute name | Attribute value |
|---|
| Series | JRFS |
| Shape/Style | Rogowski Coil with Integrator |
| Input Type | AC |
| Input Rating (A) | 500, 800, 1000, 1500, 2000 |
| Error % | < 1 |
| Supply Voltage | 24 Vdc |
| Output | 0.333 Vac, 4~20mA, 5 Vdc |
| Ratio | 120mV/kA@60Hz, 399.6mV/kA@60Hz |
| Opening (greatest dim.) | 4.7 in (120 mm), 7.5 in (190 mm), 12 in (305 mm) |
| # of Inputs | 1, 3 |
Description
The JRFS-xxxA-y Clamp-on Flexible Rogowski coils (with or without optional integrator) have been designed for accurate measurement of wide ranges of AC current, pulsed DC current or distorted waveforms
- The coils feature tight windings that result in a very thin coil
- JRFS Specifications
- Input -xxxA
- -120A: 500A ~ 2kA
- -190A: 1kA ~ 4kA
- -305A: 2kA ~ 6kA
- Sensing Aperture Size -xxxA
- -120A: 120 mm
- -190A: 190 mm
- -305A: 305 mm
- Integrator Input Options -y
- -S: One coil and One Integrator
- -T: Three Coils and One Integrator
- Integrator Output Options -y
- -S: Single Phase (select one or none)
- -T: Three Phase (select one or none)
- Applications
- Very high current monitoring
- DC ripple measurement
- Harmonics and transients monitoring
- Power monitoring & control systems
- Applicable in electronic watt-hour meter
- Features
- AC current probe utility by the Rogowski principle
- Flexible and lightweight
- Easy & quick installation on uninterruptible power line
- No danger from open-circuited secondary
- High secondary output voltage & precise linearity error
- Isolated plastic case recognized according to UL94-V0
- Coil Output Voltage -xxxA
- 120mV/kA @ 60Hz
- 100mV/kA @ 50Hz
- Coil Output Voltage -xxxS
- 399.6mV/kA @ 60Hz
- 333mV/kA @ 50Hz
| Part No | Width (mm) | Input Rating (A) | Output |
| JRFS-120A-S | 120 | 2000 A | 4~20 mA |
| JRFS-120S-S | 120 | 2000 A | 4~20 mA |
| JRFS-190A-S | 190 | 4000 A | 4~20 mA |
| JRFS-190S-S | 190 | 4000 A | 4~20 mA |
| JRFS-305A-S | 305 | 6000 A | 4~20 mA |
| JRFS-305S-S | 305 | 6000 A | 4~20 mA |
| JRFS-120A-T | 120 | 2000 A | 4~20 mA |
| JRFS-120S-T | 120 | 2000 A | 4~20 mA |
| JRFS-190A-T | 190 | 4000 A | 4~20 mA |
| JRFS-190S-T | 190 | 4000 A | 4~20 mA |
| JRFS-305A-T | 305 | 6000 A | 4~20 mA |
| JRFS-305S-T | 305 | 6000 A | 4~20 mA |