Specifications Supply Voltage: Self-Powered (0-5 VDC output)                            15-40 VDC (4-20mA output) Isolation Voltage: 1000 VAC Frequency Range: 20-100 Hz Operating Temp: 32°F - 158°F (0°C-70°C) Environmental: 0-95% RH, Non-Condensing Agency Approvals: UL listed, CE certified Max Input Current: 10/20/50 amp range - 80/120/200 amps continuous                                 50/100/200 amp range - 175/300/400 amps continuous Accuracy: +/- 1% FS Housing: UL 94-V-0 Flame retardant ABS Plastic Termination: Terminal Block 14 Ga max Response Time: 250 ms (0-90%) Weight: .25 lbs (.11kg) Conformance & Testing RoHS Compliant EMC Testing: BS EN 55022:1998, BS EN 55024:1998, EN 61000-3-3, EN 61000-4-2, EN 61000-4-3, EN 61000-4-4, EN 61000-4-5, EN 61000-4-6, EN 61000-4-11