Digital overcurrent relay with voltage protection and 3×3 digit LED display TRM-30F

Description

The TRM-30F is a digital overcurrent relay with voltage protection, designed to protect equipment with sensitive operating voltages from faults caused by line voltage and overload.

Main parameters: overload adjustment range: 0.5A – 30A Fixed current asymmetry: 50% Adjustable error delay time Built-in current measuring transformers Overvoltage protection: 400V (fixed) Undervoltage protection: 265V (fixed) Fixed voltage asymmetry: 30% Phase sequence control Technical specifications: Operating voltage (Un): 3x380V AC 50/60 Hz Operating frequency: 50/60 Hz Power: <10VA Operating temperature: -20°C to +55°C Display: 3×3-digit display, 7x LEDs High current (overload): 0.5A – 30A Upper voltage limit: 440V (L-L) – fixed Lower voltage limit: 265V (L-L) – fixed Error delay (t): 0 – 20 s Current asymmetry: 50% (fixed), 3 s delay Voltage asymmetry: 30% (fixed), 3 s delay Connection type. 380 g Mounting.