SIEMENS Sirius Overload Relay – 3RU6116-0BB1
Overview
SIRIUS Control offers the largest available switching device portfolio in the market. A completely new generation of circuit breakers, contactors, overload relays and load feeders in seven sizes up to 250 kW is ready for use. The benefit of the modular system lies in its modular set-up of the components across all sizes.
Benefits
- Are coordinated with the dimensions, connections and technical characteristics of the other devices in the SIRIUS modular system (contactors, etc.)
- Permit the mounting of slim and compact load feeders in widths of 45Â mm (S00, S0), 55Â mm (S2), 70Â mm (S3), 120Â mm (S6) and 145Â mm (S10/S12); this does not include the current measuring modules for the 3RB22 to 3RB24 evaluation modules sizes S00 to S3
- Simplify configuration
- Allows easy and consistent configuration with one series of overload relays (for small to large loads)
- Provides optimum inverse-time delayed protection of loads against excessive temperature rises due to overload
- Minimizes heating of three-phase motors during phase failure
- Enables the protection of 1-phase loads
- Provides optimum temperature-dependent protection of loads against excessive temperature rises, e.g. for stator-critical motors or in the event of insufficient coolant flow, contamination of the motor surface or long starting or braking operations
- Eliminates the need for additional special equipment
- Saves space in the control cabinet
- Reduces wiring overhead and costs
- Provides optimum protection of loads against high-resistance short circuits or ground faults due to moisture, condensed water, damage to the insulation material, etc.
- Eliminates the need for additional special equipment
- Saves space in the control cabinet
- Reduces wiring overhead and costs
Connection methods
3RU2 thermal overload relays
- Sizes S00 and S0:
- Main and auxiliary circuit: Either screw or spring-loaded terminals
- Sizes S2 and S3:
- Main circuit: Screw terminals with box terminal
- Auxiliary circuit: Either screw or spring-loaded terminals
3RB3 electronic overload relays
- Sizes S00 and S0:
- Main and auxiliary circuit: Either screw or spring-loaded terminals
- Sizes S2 and S3:
- Main circuit: Screw terminals with box terminal or as straight-through transformer
- Auxiliary circuit: Either screw or spring-loaded terminals
3RB2 electronic overload relays
3RB20 and 3RB21 overload relays:
- Size S6:
- Main circuit: With busbar connection or as straight-through transformer
- Auxiliary circuit: Either screw or spring-loaded terminals
- Sizes S10/S12:
- Main circuit: With busbar connection
- Auxiliary circuit: Either screw or spring-loaded terminals
3RB22 to 3RB24 evaluation modules:
- Screw or spring-loaded terminals
3RB29 current measuring modules:
- Up to size S3: Straight-through transformers
- As from size S6:
- Main circuit: With busbar connection
- Auxiliary circuit: Either screw or spring-loaded terminals
3RU6116-0BB1
Overload relay 0.14…0.20 A size S00, class 10, for motor protection stand-alone installation main circuit: screw terminal AUX. circuit: screw terminal manual automatic reset
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