Type S-3 Current sensor for electronic watt-hour meter (ANSI standards-compliant, rated 100A)
Dimensional outline drawing
Features
- ANSI standards-compliant current sensor with excellent accuracy
- Nanocrystalline® core used as magnetic material
Applications
- Current sensor for electronic watt-hour meter
- Current sensor for smart meter
Features
- Excellent saturation characteristics
- Excellent temperature characteristics
- Wiring with high flexibility due to lead wire type output
External dimensions
| Model | A | B | C | D | E |
|---|---|---|---|---|---|
| S-3 | 20.5 | 23.9 | 16.3 | 90 | (70) |
Electrical characteristics Ta=25℃
Specifications
| Model | S-3 |
|---|---|
| Applicable current | 1～100Arms(50/60Hz)、R≦10Ω |
| Maximum allowable current | 100Arms continuous |
| Saturation limit current | 120Arms(50/60Hz)、R≦10Ω |
| Rated current transformation ratio | 100A/0.04mA |
| Test current | 1A |
| Secondary current | 0.4mA |
| Ratio error | ±0.3% |
| Phase angle | 10±10minutes |
| Load resistance：RB | 2.0Ω |
| Output voltage across load resistance：UB | 0.1Vrms |
| Number of turns in the secondary winding | 2500Ts |
| Secondary winding resistance | 42Ω(Reference value) |
| Withstand voltage | 2500V AC, 1 minute (between outer casing and harness) |
| Insulation resistance | 500V DC, 100MΩ or more (between outer casing and harness) |
| Operating conditions | -25℃～+85℃ |
| Storage conditions | -25℃～+85℃ |
| Structure | PP outer casing, one side filled and sealed |
| Output terminal | UL3265 vinyl wire(AWG26) |
| Weight | Approx. 22g |
Characteristics
