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This Siemens 3RV29021DF0 is a shunt release accessory, part of the SIRIUS product line, designed for motor circuit breaker protection. It is suitable for use with 3RV2 circuit breakers in sizes S00, S0, S2, and S3.
The shunt release operates with an AC control supply voltage, with an initial rated value of 90V and a final rated value of 110V at both 50 Hz and 60 Hz frequencies. It features a degree of pollution of 3 and an insulation voltage rated value of 690V.
Installation is facilitated by a snap-on mounting method. The dimensions of the unit are 18.5 mm in width, 90 mm in height, and 68 mm in depth. It offers IP20 protection on the front, providing finger-safe touch protection for vertical contacts.
Certificates of suitability include CE, UL, and CSA. The device is designed for short-circuit protection via fuse.
The control supply voltage is AC, with an initial rated value of 90V and a final rated value of 110V at both 50 Hz and 60 Hz.
It is suitable for circuit breaker sizes S00, S0, S2, and S3.
The operating temperature range is -20 to +60 °C.
The IP protection class on the front is IP20.
It is mounted using a snap-on mounting method.