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This Siemens 3RV29011B is a lateral auxiliary switch, part of the SIRIUS product line, designed to complement circuit breakers of sizes S00, S0, S2, and S3. It provides 2 normally open (NO) instantaneous contacts, facilitating additional control or signaling functions within an electrical system.
The switch features screw-type terminals for secure connections in the auxiliary and control circuits. It supports solid and finely stranded conductors ranging from 0.5 to 2.5 mm², with AWG cable compatibility from 20 to 14.
With an IP20 protection class on the front, it offers finger-safe touch protection. The operating temperature range is -20°C to +60°C, with storage temperatures from -50°C to +80°C. The compact dimensions include a width of 9.5 mm, height of 90 mm, and depth of 70 mm, with a plug-in fixing method for easy installation.
Operational current ratings include up to 10A at AC-12 and various ratings for AC-15 and DC-13 applications, such as 6A at AC-15 (24V) and 2A at DC-13 (24V).
The ambient operating temperature is -20 to +60 °C during operation, and -50 to +80 °C during storage.
It has 2 normally open (NO) auxiliary contacts, with no normally closed (NC) or changeover (CO) contacts.
At AC-12, the maximum operational current is 10 A across all voltages from 24 V to 690 V.
The front face provides IP20 protection according to IEC 60529, and is finger-safe for vertical contact.
It uses plug-in fixing mounting directly onto compatible Siemens circuit breakers.
The width is 9.5 mm, with a height of 90 mm and depth of 70 mm.