Main

• range of product: Harmony Control Relays
• Product or component type: Voltage control relay
• Relay type: Voltage control relay
• the network number of phases: 1 phase
• supply circuit type: DC
• relay name: RM22UA
• relay monitored parameters: Overvoltage and Undervoltage detection
• time delay type: Adjustable 0.1...30 s, +/- 10 % of the full-scale value on crossing the threshold Tt
• switching capacity in VA: 2000 VA
• measurement range: 80...300 V voltage AC/DC 50/60 Hz
• contacts type and composition2: C/O

Complementary

• reset time: 1500 ms at maximum voltage
• maximum switching voltage: 250 V AC
• minimum switching current: 10 mA at 5 V DC
• maximum switching current: 8 A AC
• [Us] rated supply voltage: 24...240 V AC/DC 50/60 Hz
• supply voltage limits: 60…280 V AC
• power consumption in VA: 5 VA AC
• maximum power consumption in W: 2 W DC
• supply voltage frequency: 50...60 Hz +/- 10 %
• output contacts: 2 C/O
• nominal output current: 8 A
• hysteresis: 5…50 % adjustable of threshold setting
• run-up delay at power-up: 600 ms
• maximum measuring cycle: 250 ms measurement cycle as true rms value
• repeat accuracy: +/- 0.5 % for input and measurement circuit
  +/- 2 % for time delay
• measurement error: < 1 % over the whole range with voltage variation
  0.2 %/°C with temperature variation
• response time: <= 500 ms
• overvoltage category: III conforming to IEC 60664-1
• insulation resistance: > 100 MOhm at 500 V DC conforming to IEC 60255-27
• mounting position: Any position
• connections - terminals
• Screw terminals, 2 x 0.5...2 x 2.5 mm² (AWG 20...AWG 14) solid without cable end
  Screw terminals, 2 x 0.2...2 x 1.5 mm² (AWG 24...AWG 16) flexible with cable end
  Screw terminals, 1 x 0.5...1 x 3.3 mm² (AWG 20...AWG 12) solid without cable end
  Screw terminals, 1 x 0.2...1 x 2.5 mm² (AWG 24...AWG 14) flexible with cable end
• tightening torque: 0.6…1 N.m conforming to IEC 60947-1
• housing material: Self-extinguishing plastic
• status LED: LED (yellow)relay ON
  LED (green)power ON
• mounting support: 35 mm DIN rail conforming to EN/IEC 60715
• electrical durability: 100000 cycles
• mechanical durability: 10000000 cycles
• utilisation category:
• AC-15 conforming to IEC 60947-5-1
  DC-13 conforming to IEC 60947-5-1
  AC-1 conforming to IEC 60947-4-1
  DC-1 conforming to IEC 60947-4-1
• safety reliability data: MTTFd = 433.7 years
  B10d = 400000
• contacts material: Cadmium free
• Width: 22.5 mm
• Net weight: 0.09 kg