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The Siemens 3RV29021DB0 is a shunt release accessory for the SIRIUS 3RV2 series of circuit breakers. It is designed for motor circuit breaker protection and features a snap-on mounting method for easy installation.
This shunt release operates with an AC control supply voltage ranging from 20 V to 24 V at frequencies of 50 Hz or 60 Hz. It offers a rated insulation voltage of 690 V and has a degree of pollution of 3. The front of the unit provides IP20 protection and is finger-safe for vertical contact.
Key technical specifications include a width of 18.5 mm, height of 90 mm, and depth of 68 mm. The operating temperature range is -20 °C to +60 °C, with a storage temperature range of -50 °C to +80 °C. The device is suitable for use with circuit breaker sizes S00, S0, S2, and S3.
The AC control supply voltage ranges from 20 V (initial) to 24 V (final) at both 50 Hz and 60 Hz.
-20 °C to 60 °C during operation.
Snap-on mounting.
690 V AC with degree of pollution 3.
Width 18.5 mm, height 90 mm, depth 68 mm.
IP20, finger-safe for vertical contact from the front.
S00, S0, S2, and S3.