The Siemens 3RU2116 series thermal overload relays provide reliable motor protection by monitoring current and tripping in case of overload or phase failure, helping prevent thermal damage. Designed for standard motor start-up conditions, they feature trip class 10, manual/automatic reset options, and compatibility with S00 contactors. With a wide operating temperature range, dual auxiliary contacts, and various current ratings and terminal types, they suit diverse industrial applications. Some variants may be obsolete, requiring review for replacements or upgrades.
Relay, Switch Gear
SIEMENS 3RU2116
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Motor Protection with Trip Class 10
– Provides fast, reliable protection by tripping within 10 seconds under overload conditions. -
Direct Contactor Mounting (S00 Size)
– Easily mounts to Siemens S00 contactors, saving space and simplifying installation. -
Wide Range of Overload Current Settings
– Multiple models cover various motor current ranges (e.g., 0.55–12.5A), allowing flexible application. -
Manual and Automatic Reset Options
– Supports both reset modes for operational flexibility and convenience. -
Durable Performance in Harsh Environments
– Operates in extreme temperatures from -40°C to +70°C, suitable for demanding industrial settings.
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