The Schneider 33682 is an adjustable time delay unit designed for Masterpact NT/NW series air circuit breakers, used with MN/UVR undervoltage release. It supports 200/250V AC/DC universal power supply, with adjustable delay ranges of 0.5s, 1s, 1.5s, and 3s to prevent nuisance tripping caused by temporary voltage sags. Made in France with global safety certifications, this unit is a critical accessory for low-voltage distribution systems, marine switchboards, and industrial power distribution cabinets, ensuring reliable undervoltage protection and power continuity.
