Power & Energy Meter E50B2

Build better energy efficiency and power management with the E50B2 Power & Energy Meter. This cost-effective sensor is simple to deploy and can either be installed on standard DIN rail or be surface mounted. The E50B2 integrates with HOBO UX, U30, ZW

• Measures Power Factor (PF), Reactive Power (VAR), Watt Hours (Wh) and more.
• Range: 90-600VAC – Wye or Delta configurations
• Accuracy: ANSI 12.20 0.5% accuracy, IEC 62053-22 Class 0.5S
• Compatible with CTs from 5 to 32000A (333mV output)
• Bright backlit LCD
• UL listed, CE, California CSI Solar, ANSI C12.20

Specification Measurement Accuracy

• Real Power and Energy: IEC 62053-22 Class 0.5S, ANSI C12.20 0.5%
• Reactive Power and Energy: IEC 62053-23 Class 2, 2%
• Current:
  • 0.4% (+0.015% per °C deviation from 25°C) from 5% to 100% of range;
  • 0.8% (+0.015% per °C deviation from 25°C) from 1% to 5% of range

• Voltage: 0.4% (+0.015% per °C deviation from 25°C) from 90V (L-N) to 600VAC (LL)
• Sample Rate: 2520 samples per second
• Data Update Rate: 1 sec
• Type of Measurements : True RMS up to the 21st harmonic 60 Hz, One to three phase AC system

Input Voltage Characteristics:

• Measured AC Voltage:
  • Minimum 90VL-N (156VL-L) for stated accuracy
  • UL Maximums: 600VL-L (347VL-N)
  • CE Maximums: 300VL-N (520V L-L)

• Metering Over Range: +20%
• Impedance: 2.5 MΩ (L-N)/5 MΩ (L-L)
• Frequency Range: 45 to 65 Hz

Input Current Characteristics:

• CT Scaling: Primary: Adjustable from 5 A to 32,000 A
• Measurement Input Range: 0 to 0.333VAC or 0 to 1.0VAC (+20% over-range)
• Impedance: 10.6kΩ (1/3 V mode) or 32.1kΩ (1 V mode)

Output:

• Alarm Contacts: N.C., static output (30VAC/DC, 100mA max. @ 25°C, derate 0.56mA per °C above 25°C)
• Real/Reactive Energy Pulse Contacts: N.O., static output (30VAC/DC, 100mA max. @ 25°C, derate 0.56mA per °C above 25°C)

Mechanical Characteristics:

• Weight: 0.62 lb (0.28 kg)
• IP Degree of Protection (IEC 60529): IP40 front display; IP20 Meter
• Display Characteristics: Back-lit blue LCD
• Terminal Block Screw Torque: 0.37 ft•lb (0.5 N•m) nominal/0.44 ft-lb (0.6 N•m) max
• Terminal Block Wire Size: 26 to 14 AWG (0.13 to 2.08 mm2)
• Rail: T35 (35mm) DIN Rail per EN50022

Environmental Conditions:

• Operating Temperature: Meter: -30° to 70°C; Display: 0° to 50°C
• Storage Temperature: Meter: -40° to 85°C; Display: -10° to 60°C
• Humidity Range: <95% RH (non-condensing)
• Altitude of Operation: 3 km max.

Metering Category:

• North America: CAT III; for distribution systems up to 347 V L-N/600VAC L-L
• CE: CAT III; for distribution systems up to 300 V L-N
• Dielectric Withstand: Per UL 508, EN61010
• Conducted and Radiated Emissions : FCC part 15 Class B, EN55011/EN61000 Class B (residential and light industrial)
• Conducted and Radiated Immunity: EN61000 Class A (heavy industrial)

Safety:

• North America (cULus): UL508 (open type device)/CSA 22.2 No. 14-05
• Europe (CE): EN61010-1:2001

• measures Power Factor (PF), Reactive Power (VAR), Watt Hours (Wh) and more;
• measures energy data