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The Siemens 3RV29221CV0 is an undervoltage release designed for use with SIRIUS circuit breakers of sizes S00, S0, S2, and S3. It operates with an AC control supply voltage and has a rated value of 400 V at 50 Hz, with a frequency range of 50-60 Hz.
This undervoltage release features 2 NO leading auxiliary contacts. It offers IP20 protection on the front and is finger-safe for vertical contact from the front. The device is suitable for motor circuit breaker applications and has a degree of pollution of 3.
Installation is facilitated by a snap-on mounting method. The dimensions are 18.5 mm in width, 90 mm in height, and 68 mm in depth. The operating temperature range is -20 to +60 °C, and storage temperature is -50 to +80 °C. It carries CE, UL, and CSA certifications.
The control supply voltage is 400 V AC at 50 Hz; it also supports 60 Hz operation.
Width 18.5 mm, height 90 mm, depth 68 mm.
The operating temperature range is -20 to +60 °C, and storage temperature range is -50 to +80 °C.
It is compatible with Siemens circuit breaker sizes S00, S0, S2, and S3.
Yes, it has 2 normally open (NO) auxiliary contacts (leading contacts).