SIRIUS auxiliary contactor, 24 VDC coil, 2 NO contacts
The 3RH2122-1UB40-0KV0: It's built on the size S00 contactor frame, which is the compact footprint in the SIRIUS family for auxiliary switching up to 10 A.
DIN rail mount, 73 mm depth, size S00
Clearance requirements: 10 mm upward, forward, and downward; 6 mm at the sides.
Built-in varistor, 30 million mechanical cycles
The surge suppressor is integrated as a varistor across the coil, which absorbs the inductive kickback from the 24 V DC coil. Coil closing power at DC is 4 W. The contactor is rated for 30 million mechanical operations typical, with pollution degree 3 for industrial environments. Relative humidity minimum 10%. Substance prohibitance date 10/01/2009 aligns with RoHS compliance. The product extension for auxiliary switches is supported.