PILZ-837271 Pilz Voltage Relays

Out if stock but available for backorder.

Pilz PILZ-837271 is a protection unit designed for 3-phase voltage monitoring, including overvoltage and undervoltage monitoring functions. It is suitable for DIN rail mounting and operates within an ambient air temperature range of -15 to +55°C. The unit has a net height of 87 mm and supports safety output contacts ratings from 0.1A to 5A at 24Vdc (DC-1; 120W) and 1.5A at 24Vdc (DC-13) with fixed screw terminal connections. The S3UM sub-range model features dimensions of W22.5mm x D122 mm, an IP40 degree of protection, and a supply voltage range of 20.4-26.4Vdc (24Vdc nominal). It operates at a frequency measuring range of 40-400Hz, is housed in PPO material, and is designed for a 3-phase (3AC) input network with a rated voltage (AC) for measuring voltage at 415/460Vac. The net width is 22.5 mm, and it consumes 1.5 W of power. Operating modes include fault latching/non-latching and normally energized/de-energized modes. The unit can be stored in temperatures ranging from -40 to +85°C. It features 1 x delayed auxiliary output (SPDT-NO/NC contacts; 0.1-5A 24Vdc DC-1 resistive load; 0.5-10s time-delay selectable (ON-delay energization)), 1 x analog input (L1-L3 voltage measurement), and protection functions against undervoltage, overvoltage, phase sequence, phase failure, and asymmetry. Additionally, it includes 1 x automatic reset and 1 x switching commutation digital inputs.