Selec 640PSR-V-CE line monitoring relay for three-phase 3-wire systems. On top of phase sequence, phase failure and phase asymmetry it also monitors under and over voltage, with a user-selectable SPP/PSR function, selectable asymmetry and selectable OV/UV tripping.

Technical specifications:

Commercial reference: 640PSR-V-CE
Manufacturer: Selec
Measured parameters: phase sequence, phase failure, phase asymmetry, under voltage, over voltage
Electrical connection: 3P – 3W
User selectable: SPP/PSR, OV and UV ON/OFF, asymmetry 45/65 V
Multiple LEDs for fault indication
Trip accuracy: 1% of full range
Output contact: 1 C/O (SPDT)
Output rating: NC 5 A @ 250 V AC / 30 V DC (resistive), NO 5 A @ 250 V AC / 30 V DC (resistive)
Operating voltage: 154 to 520 V AC (L-L)
Width: 17.5 mm, DIN rail mount and wall mount
CE, RoHS