AC Current Probe Model MN261 The Model MN261 is the latest in Features Applications compact AC current probes. It is Small, compact size Measuring in breaker panels designed to meet the most stringent demands in industry and electrical Measurement range of 0.1 to 24A, Industrial loads contracting. Model MN261 meets 0.5 to 240Aca HVAC EN 61010, 600V, Cat. III safety Large jaw opening accommodates standards and is CE Marked and Residential and commercial sites conductors up to 250MCM UL approved in Canada and Data logging/recording United States. Designed for DMMs, loggers, recorders and oscilloscopes The Model MN261 has a 0.78 (20mm) jaw opening and accom- 40Hz to 10kHz response modate conductors up to 250MCM. 100mVca /Aca 10mVca /Aca The unique hooked jaw design output signals facilitates clamping and hooking onto Designed to EN 61010, 600V conductors. Polycarbonate materi- Cat. III safety standard als and ultrasonic welding are used throughout to ensure ruggedness UL approved for Canada and and overall lasting reliability. United States The Model MN261 uses tape-wound Double Insulation cores to further improve its high CE Mark and low end performance. Rated at 200Arms it has a measurement range to 240Arms. MN261 2115.82 (pdf) 1008 Rev.04 Technical Assistance (800) 343-1391 www.aemc.com 1 of 4Specifications MODEL MN261 ELECTRICAL Nominal Range 20A & 200A Measurement Range 0.1 to 24A, 0.5 to 240A Transformation Ratio Voltage output Output Signal 20A: 100mV/A, 200A: 10mV/A Accuracy (20A Range) 1% of Reading 50mV Phase Shift (20A Range) Not Specified Overload (20A Range) 24A for 10 min ON, 30 min OFF Accuracy (200A Range) 0.5 to 10A 3.0% of Reading 5mV 10 to 40A 2.5% of Reading 5mV 40 to 100A 2.0% of Reading 5mV 100 to 240A 1.0% of Reading 5mV Phase Shift (200A Range) 0.5 to 10A Not Specified 10 to 40A 5.0 40 to 100A 3.0 100 to 240A 2.5 Overload (200A Range) 240A for 10 min ON, 30 min OFF Frequency Range 40 to 10kHz Limit Operating 200A permanently to 1kHz Derating above 3kHz: 200A x (1/0.333F), F in kHz Conditions Crest Factor 3 200Arms with an error (due to CF) of 4% Working/Common 600Vrms Mode Voltage Output Termination 6 ft BNC MECHANICAL Operating Temperature 14 to 131F (-10 to 55C) Storage Temperature -40 to 158F (-40 to 70C) Operating Relative 10 to 35C 85% RH (without roll-off above 35C) Humidity Jaw Opening 0.83 (21mm) Maximum Conductor Size 0.78 (20mm) Dimensions 5.47 x 2.00 x 1.18 (139 x 51 x 30mm) Weight 6.5 oz (180g) Polycarbonate Material Polycarbonate with fiberglass charge, UL94 V0 SAFETY Electrical EN 61010-2-32 UL Approval Yes Canada and United States Double Insulation Yes CE Mark Yes Note: Reference conditions: 20 to 26C, 20 to 75% RH, external magnetic field <40A/m, 48 to 65Hz sine wave, distortion factor less than 1%, no DC component, no external current carrying conductor, test sample centered. Load impedance >1 MN261 2115.82 (pdf) 1008 Rev.04 Technical Assistance (800) 343-1391 www.aemc.com 2 of 4