The F&F WZE-1-RST is a static electronic meter for direct measurement of single-phase alternating current consumption.

• Two LCD displays: one for total consumption and one for consumption since the last reset.
• Indicator LED: Red, for consumption indication.
• Auxiliary meter with reset capability through a prolonged press of the “RESET” button.
• Installation on a TH35 rail, inside a distribution panel.
• Connections:
  • Phase input: terminal 1
  • N conductor: terminal 4
  • Measured circuit: terminals 2 and 3

Technical features:

• Type: single-phase
• Reference voltage: 230 V AC, 50 Hz
• Basic current: 5 A
• Maximum current: 80 A
• Minimum measurable current: 0.02 A
• Self-consumption: 8 VA, 0.4 W
• Indication range: 0–99999.9 kWh
• Meter constant: 1000 imp/kWh
• Pulse output SO+ SO-: open collector
• Connection voltage for SO+ SO-: max. 27 V DC
• Connection current for SO+ SO-: max. 20 mA
• Pulse duration for SO+ SO-: 90 ms
• Accuracy class: 1
• Length of SO+ SO- cable: max. 20 m
• Connection: screw terminals 16 mm²
• Operating temperature: -25 ÷ 65°C
• Dimensions: 2 units (35 mm)
• Installation: 35 mm rail
• Protection degree: IP51 (indoor use)
• Certification: MID

The set includes 1 WZE-1-RST meter and a user manual in Polish.