The Model MN261 is the latest in compact AC current probes. It is designed to meet the most stringent demands in industry and electrical contracting. Model MN261 meets EN 61010, 600V, category III safety standards and is CE Marked and UL approved in Canada and United States. Model MN261 has a 20mm jaw opening and accommodate conductors up to 250MCM. The unique hooked jaw design facilitates clamping and hooking onto conductors. Polycarbonate materials and ultrasonic welding are used throughout to ensure ruggedness and overall lasting reliability. Model MN261 uses tape-wound cores to further improve its high and low end performance. Rated at 200A RMS it has a measurement range to 240A RMS. Measurement range of 0.1 to 24A, 0.5 to 240AAC. Designed for DMMs, loggers, recorders and oscilloscopes. 40Hz to 10kHz response. 100mVAC/AAC - 10mVAC/AAC output signal. Transformation Ratio: Voltage output. Overload: 240A for 10 min ON, 30 min OFF. Limit Operating Conditions: 200A permanently to 1kHz; Derating above 3kHz: 200A x (1/0.333F), F in kHz. Crest Factor: 3 at 200A RMS with an error (due to CF) of 4 percent. Working/Common Mode Voltage: 600Vrms. Output Termination: 5 feet BNC. Operating Temperature: 14 to 131 degree F. Storage Temperature: -40 to 158 degree F. Operating Relative Humidity: 10 to 35 degree C 85 percent RH (without roll-off above 35 degree C). Measures 5-15/32" length by 2" width by 1-11/64" height. Polycarbonate Material: Polycarbonate with fiberglass charge, UL94 V0.