CLASS 20E trip curve gives 20 seconds of thermal memory at 600 % of the set current — standard for general-purpose induction motors driving pumps, fans, and conveyors where brief overloads during start-up are expected. The straight-through transformer main current circuit means the power conductors pass through the relay without looping — keeps the panel wiring tidy and reduces the enclosure fill factor. Terminals accept solid 0.5... 4 mm² or 2x (0.5... 2.5 mm²) with ferrule — a common range for motor control circuits up to around 15 kW at 400 V, depending on the contactor size upstream. Surge withstand at 6 kV and burst immunity at 2 kV on power ports — severity level 3 per IEC 61000-4-4 — means it holds up in industrial environments with contactor switching and VFD noise.
The ATEX II (2) GD approval covers gas and dust atmospheres — if your line carries a hazardous-area classification, this relay brings the compliance documentation without a separate Ex barrier.
Physical fit in the panel
Footprint is 55 mm wide, 92 mm tall, 109 mm deep — a standard compact relay format that fits most motor starter assemblies without forcing a layout change.