Voltage monitoring in a three-phase network - GAMMA series

• Monitoring of phase sequence and phase imbalance
• Reverse voltage detection
• Optional neutral cable connection
• Compatible with power relays (electromechanical) that accept the final load

Input characteristics

• Supply voltage = measurement voltage 3(N)~ 400/230V
• Tolerance: 342 to 457 V
• Terminals: (N)-L1-L2-L3
• Nominal overvoltage: 4kV
• Overvoltage category: III (according to IEC 60664-1)

Output characteristics

• 2 changeover contacts (CO)
• Switching capacity: 750VA (3A/250V AC)
• Start-up suppression time: 500ms constant
• Activation delay adjustment: 350ms constant
• LED operation indicators

Technical Specifications:

• Nominal Voltage: 400V
• Nominal Current: 3A
• Output Current: 5A
• Input Voltage: 342 - 475V AC
• Operating Temperature: -25°C / +55°C
• Mounting: DIN rail
• Mounting/Connection Method: DIN rail
• Number of DIN Elements: 1.3
• With Programming: Phase Loss, Phase Sequence, Reverse Voltage
• Type: Network Monitors
• Main Contact Type: 2 NO
• Programming Settings: 500ms