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The S120 clamp current transformer is a general-purpose 3000A AC clamp current probe transformer designed for DMMs and BNCs, cable fault analysis, and recorders with current inputs. The "ring" jaws of S120 can achieve good magnetic conduction and cable positioning, providing excellent RMS capability and reliable signal reproduction. Its ratio is 1000:1 or 2000:1, and the output measured in the jaws is 1mA or 1mV per ampere. S120 has a 2.5 meter or 5 meter overall lead termination.
UL, CE CNAS mark;
Frequency 10-2MHz;
Holding wire diameter: φ120mm;
Conforms to EN 61010, 600V CAT III;
Low phase shift for power measurement;
Industrial design & beautiful appearance;
High content nickel metal permalloy core;
Measurement range of 1mA to 3000A AC;
Transformation ratio: 1000:1, 2000:5, 3000:5;
Improved ergonomic design & easy operation;
High precision 0.1% for current measurement;
Designed for DMMs, recorders, loggers, oscilloscopes, power and harmonic meters;
| Electrical parameters | |
|---|---|
| Ratio | 1000: 1, 2000:5 or 3000:5(customized) |
| Accuracy class | 0.1%, 0.2%, 0.5% |
| Primary current | 0 - 3000A AC |
| Secondary current | 0-1A or 0 - 5A AC (customized) |
| Secondary voltage | 0-2V , 0-5V AC (customized) |
| Max. Cont. Input current | 3600A |
| Load capacity | ≤20Ω, standard 4Ω |
| Over voltage category | CAT III 600V |
| Output signal (AC current) | 500mA, 1A,2A,5A AC at nominal input current |
| Output signal (AC voltage) | 1V, 2V, 5V, 10V AC at nominal input current |
| Frequency range | 10Hz-2MHz |
| Dielectric strength | 3KV 50Hz/60Hz at 1 minute |
| Temperature range | -40°C to +55°C |
| Output | 2.5 meter cable with D01 connector or BNC |
| Max. voltage not insulated conductors | 600 V |
| Standard | EN 61010-1, EN 61010-2-032, EN 61010-2-031 IEC60044-1, & IEC61869-2, 600V CAT III |
| Installation | clamp type |
| Output mode | lead output(2.5m, 5m or 10m) |
| Connector | BNC, 4mm banana, signal cable(2 cores),customized |
| Range version | 100A, 200A, 400A, 500A, 1000A, 2000A, 3000A |
| Accuracy (3000A Range) | |
| 0-10A | ≤0.5% |
| 10-100 | ≤0.2% |
| 100-3000A | ≤0.1% |
| Phase Shift(3000A Range) | |
| 0-10A | ≤0.5° |
| 10-100 | ≤0.2° |
| 100-3000A | ≤0.1° |
| Mechanical parameters | |
| Dimensions (L x W x H) (mm) | 178 x 290 x 30 |
| Weight (g) | 1200 |
| Holding wire diameter (mm) | φ120 |
| Max. jaw opening (mm) | 120 |
| Jaw color | Red & Grey |
| Material | PC+ABS, UL94 V0 |
| Model | Rate Current | Max Current | Secondary Current | Coil Ratio | Burden Resistance | Accuracy |
|---|---|---|---|---|---|---|
| S120-200 | 200A | 240A | 5A | 40:1 | 2.5VA | 0.5% |
| S120-300 | 300A | 360A | 5A | 60:1 | 2.5VA | 0.5% |
| S120-400 | 400A | 480A | 5A | 80:1 | 2.5VA | 0.5% |
| S120-500 | 500A | 600A | 5A | 100:1 | 2.5VA | 0.5% |
| S120-600 | 600A | 720A | 5A | 120:1 | 2.5VA | 0.5% |
| S120-800 | 800A | 960A | 5A | 160:1 | 2.5VA | 0.5% |
| S120-1000 | 1000A | 1200A | 5A | 200:1 | 2.5VA | 0.5% |
| S120-1500 | 1500A | 1800A | 5A | 300:1 | 2.5VA | 0.5% |
| S120-2000 | 2000A | 2400A | 5A | 400:1 | 2.5VA | 0.5% |
| S120-3000 | 3000A | 3600A | 5A | 600:1 | 2.5VA | 0.5% |
| S120A1-200 | 200A | 240A | 1A | 200:1 | customized | 0.2% |
| S120A1-300 | 300A | 360A | 1A | 300:1 | customized | 0.2% |
| S120A1-400 | 400A | 480A | 1A | 400:1 | customized | 0.2% |
| S120A1-500 | 500A | 600A | 1A | 500:1 | customized | 0.2% |
| S120A1-600 | 600A | 720A | 1A | 600:1 | customized | 0.2% |
| S120A1-800 | 800A | 960A | 1A | 800:1 | customized | 0.2% |
| S120A1-1000 | 1000A | 1200A | 1A | 1000:1 | customized | 0.1% |
| S120A1-1500 | 1500A | 1800A | 1A | 1500:1 | customized | 0.1% |
| S120A1-2000 | 2000A | 2400A | 1A | 2000:1 | customized | 0.1% |
| S120A1-3000 | 3000A | 3600A | 1A | 3000:1 | customized | 0.1% |
| S120A2-500 | 500A | 600A | 500mA | 1000:1 | customized | 0.1% |
| S120A2-600 | 600A | 720A | 500mA | 1200:1 | customized | 0.1% |
| S120A2-800 | 800A | 960A | 500mA | 1500:1 | customized | 0.1% |
| S120A2-1000 | 1000A | 1200A | 500mA | 2000:1 | customized | 0.1% |
| S120A3-800 | 800A | 960A | 400mA | 2000:1 | customized | 0.1% |
| S120A3-1000 | 1000A | 1200A | 400mA | 2500:1 | customized | 0.1% |
| S120A4-250 | 250A | 300A | 250mA | 1000:1 | customized | 0.1% |
| S120A4-500 | 500A | 600A | 250mA | 2000:1 | customized | 0.1% |
| S120A4-1000 | 1000A | 1200A | 250mA | 4000:1 | customized | 0.1% |
| S120V5-200 | 200A | 240A | 1V | 1000:1 | customized | 0.1% |
| S120V5-300 | 300A | 360A | 1V | 1000:1 | customized | 0.1% |
| S120V5-400 | 400A | 480A | 1V | 1000:1 | customized | 0.1% |
| S120V5-500 | 500A | 600A | 1V | 1000:1 | customized | 0.1% |
| S120V5-600 | 600A | 720A | 1V | 1000:1 | customized | 0.1% |
| S120V5-800 | 800A | 960A | 1V | 1000:1 | customized | 0.1% |
| S120V5-1000 | 1000A | 1200A | 1V | 1000:1 | customized | 0.1% |
| S120V5-2000 | 2000A | 2400A | 2V | 1000:1 | customized | 0.1% |
| S120V5-3000 | 3000A | 3600A | 3V | 1000:1 | customized | 0.2% |
| S120V6-200 | 200A | 240A | 5V | 1000:1 | customized | 0.1% |
| S120V6-300 | 300A | 360A | 5V | 1000:1 | customized | 0.1% |
| S120V6-400 | 400A | 480A | 5V | 1000:1 | customized | 0.1% |
| S120V6-500 | 500A | 600A | 5V | 1000:1 | customized | 0.1% |
| S120V6-600 | 600A | 720A | 5V | 1000:1 | customized | 0.1% |
| S120V6-800 | 800A | 960A | 5V | 1000:1 | customized | 0.1% |
| S120V6-1000 | 1000A | 1200A | 5V | 1000:1 | customized | 0.1% |
| S120V6-2000 | 2000A | 2400A | 5V | 1000:1 | customized | 0.1% |
| S120V6-3000 | 3000A | 3600A | 5V | 1000:1 | customized | 0.2% |
| S120V8-200 | 200A | 240A | 10V | 1000:1 | customized | 0.1% |
| S120V8-300 | 300A | 360A | 10V | 1000:1 | customized | 0.1% |
| S120V8-400 | 400A | 480A | 10V | 1000:1 | customized | 0.1% |
| S120V8-500 | 500A | 600A | 10V | 1000:1 | customized | 0.1% |
| S120V8-600 | 600A | 720A | 10V | 1000:1 | customized | 0.1% |
| S120V8-800 | 800A | 960A | 10V | 1000:1 | customized | 0.1% |
| S120V8-1000 | 1000A | 1200A | 10V | 1000:1 | customized | 0.1% |


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