Ground Fault, Core-balance principle with AC/DC sensitivity ( Internal power supply Us = 50 – 400 V). For 4 pole NZM2-4 circuit-breakers and N2-4 switch-disconnectors.
EATON Moeller NZM4-XDV Lockable Rotary Handle, NZM accessory, Dimension, 3.5cm L x 3.5 cm W x 3.5 cm H, Black, Pricing and Availability, weight in stock.