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

TRM-30F is a digital overcurrent relay with voltage protection, intended to protect devices with sensitive operating voltages from failures caused by mains voltage and overload. Main parameters: Overload setting range: 0.5A - 30A Fixed current asymmetry: 50% Adjustable error delay time Built-in current measuring transformers Surge protection: 400V (fixed) Undervoltage protection: 265V (fixed) Fixed voltage asymmetry: 30% Phase sequence check Technical specifications: Operating voltage (Un): 3x380V AC 50/60 Hz Operating frequency: 50/60 Hz Consumption: <10VA Operating temperature: -20°C to +55°C Display: 3x3-digit display, 7x LEDs High current (overload): 0.5A – 30A Upper voltage limit: 440V (L–L) – fixed Lower voltage limit: 265V (L–L) – fixed Failure delay (t): 0 – 20 s Current asymmetry: 50% (fixed), 3 s delay Voltage asymmetry: 30% (fixed), 3 s delay Connection type: terminal connection Contacts: 3A / 250V AC (resistive load) Cable diameter: 2.5 mm² (contacts), 6 mm² (current inputs/outputs) Weight: max. 380 g Mounting: On DIN rail Operating altitude: <2000 m

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The electrical equipment supplied by us meet high quality standards, have a 24-month warranty and meet all EU requirements.

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