PILZ-840400 Pilz Voltage Relays

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Pilz PILZ-840400 is a protection unit designed for thermistor monitoring relay applications, featuring DIN rail mounting for ease of installation. It operates within an ambient air temperature range of -10 to +55°C and has a net height of 87 mm with fixed screw terminal connections. This unit is supplied with a voltage range of 40.8-52.8Vac (48Vac nominal) under the sub-range name S1MN. The dimensions include a width of 22.5mm and a depth of 121 mm, encased in a PPO housing that provides an IP40 degree of protection. It consumes 3.5 VA of power and offers both automatic and manual reset options in normally energized mode. The PILZ-840400 can withstand ambient air temperatures for storage between -40 and +85°C. It includes 2 x auxiliary outputs (2CO changeover / 2xSPDT-NO/NC contacts) and 2 x analog inputs (T1-T2 measuring circuits) for comprehensive monitoring. The unit is equipped with digital inputs for 2 x reset circuit inputs (X2-X1) and offers overheating protection through its thermistor. With a mechanical durability of 10 million operations at no load, this unit is designed for longevity in its protective functions.