METZ Connect Phase Monitoring Relay 230 V AC, 2 Changeover Contacts, DIN Rail 1102720570

Monitor three-phase networks with the METZ Connect phase monitoring relay. It detects undervoltage, overvoltage, phase asymmetry, and phase failure, ensuring reliable protection for motors and equipment.

Overview

The METZ Connect 1102720570 is a phase monitoring relay designed for three-phase systems with a nominal voltage of 3 x 230/400 V AC. It features two changeover contacts and adjustable thresholds for undervoltage (75-95% of Un), overvoltage (105-125% of Un), and asymmetry (5-15%). Delay times for both on and off are adjustable from 0.1 to 10 seconds. The relay is mounted on a DIN rail (TS35) and connects via screw terminals. LED indicators show the relay status at a glance.

What stands out

• Monitors undervoltage, overvoltage, and phase asymmetry
• Two changeover contacts for flexible control
• Adjustable delay times from 0.1 to 10 seconds
• DIN rail mounting for easy installation
• LED status indication

Technical details

• Product type: Phase monitoring relay
• Nominal voltage: 3 x 230/400 V AC (L-N/L-L)
• Frequency: 50/60 Hz
• Output contacts: 2 x changeover (SPDT)
• Max. switching current: 5 A
• Max. switching voltage: 250 V AC
• Undervoltage threshold: 75-95% of Un
• Overvoltage threshold: 105-125% of Un
• Asymmetry threshold: 5-15%
• Delay time (t_on): 0.1 - 10 s
• Delay time (t_off): 0.1 - 10 s
• Mounting type: DIN rail (TS35)
• Connection type: Screw terminals
• Operating temperature: -25 to +55 °C

Our verdict

A compact and reliable phase monitoring relay for industrial applications, offering precise threshold adjustments and flexible output contacts.