Voltage monitoring in three-phase network - RM22 series

• Works with power relays which receive the final load
• Wide range of industrial automation applications
• Overvoltage and undervoltage detection
• Phase loss detection
• Phase sequence

Input characteristics

• Supply voltage = measurement voltage
• Voltage range: 380...480 V phase to phase
• Voltage limit adjustment: 2...20 %
• Tolerance: -20% to +30%
• Terminals: L1-L2-L3
• Nominal overvoltage voltage: 4kV
• Overvoltage category: IIII (IEC 61000-4-5)

Output characteristics

• 2 changeover contacts (CO)
• Switching capacity: 2000VA (8A/250V AC)
• Time delay type: adjustable 0.1...30s
• LED operation indicators

Specifications:

• Nominal Voltage: 400V
• Nominal Current: 8A
• Operating Frequency: 50/60Hz
• Operating Temperature: -40°C / +70°C
• Mounting: DIN rail
• Number of DIN modules: 1
• Function type: Phase Sequence, Phase Loss, Overvoltage Control, Undervoltage Control
• Main Contact Type: 2 CO
• Material Adjustment: 0.1s...30s