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Model | SR634* |
ELECTRICAL | |
Nominal Range | 250, 500, 1000A |
Measurement Range | 0.1 to 1200A |
Transformation Ratio | 250:5, 500:5, 1000:5 |
Output Signal | 5mA, 10mA, 20mAac/Aac (5Aac @ 250, 500 or 1000A) |
Accuracy (250A Range) 1 to 5A |
≤10% ± 0.1A |
Phase Shift (250A Range) 12.5A |
10° |
Accuracy (500A Range) 1 to 10A |
≤6% ± 0.1A |
Phase Shift (500A Range) 10A |
6° |
Accuracy (1000A Range) 1 to 20A |
≤6% ± 0.1A |
Phase Shift (1000A Range) 20A |
5° |
Overload | 1200A for 30 min ON, 15 min OFF |
Frequency Range | 30Hz to 5kHz; current derating above 1kHz using the formula: 1000A x 1/F (in kHz) |
Load Impedance | 0.4Ω max |
Working/Common Mode Voltage | 600V Cat. III |
Output Termination | Jack |
MECHANICAL | |
Operating Temperature | -14° to 122°F (-10° to 50°C) |
Storage Temperature | -4° to 158°F (-20° to 70°C) |
Operating Relative Humidity | 0 to 85% @ 35°C |
Jaw Opening | 2.25" (57mm) max |
Maximum Conductor Size | 2.05" (52mm) |
Maximum Bus Bar Size | One 1.95 x 0.19" (50 x 5mm) |
Dimensions | 4.37 x 8.50 x 1.77" (111 x 216 x 45mm) |
Weight | 1.21 lbs (550g) |
Polycarbonate Material | Handles: Polycarbonate + ABS, Gray, UL94 V0. Jaws: Polycarbonate, Red, UL94 V0 |
SAFETY | |
Electrical | EN 61010-2-032 |
UL Approval | Yes – Canada and United States |
Double Insulation | Yes |
CE Mark | Yes |
Note: Reference conditions: 23 ± 3°K, 20 to 75% RH, 48 to 65Hz, external magnetic field <40A/m, no DC component, no external current carrying conductor, test sample centered. Load impedance 0.2Ω @ lead <40mΩ for 250A range.
*Diode Protection for open secondary (Output)
- Power quality measuring
- Large industrial loads
- Measuring around cable bundles
- Power load monitoring
- Waveform analysis