Siemens 3RU2116-0AB0 SIRIUS Thermal Overload Relay, 0.11-0.16A, Size S00 Original Brand New
$44.00
High-precision thermal overload relay designed for current-dependent protection of loads with normal starting. Part of the SIRIUS Innovations range, this Size S00 relay offers a setting range of 0.11 to 0.16 A, featuring screw terminals and a versatile Manual-Automatic-Reset function to ensure maximum motor longevity and minimal downtime.
Availability: In stock
Overview
The Siemens 3RU2116-0AB0 is a cornerstone of the Siemens SIRIUS modular system, specifically engineered to provide current-dependent protection for loads with normal starting conditions. This thermal overload relay is designed to safeguard three-phase and single-phase AC motors against excessive temperature rises resulting from overloads or phase failures.
By integrating seamlessly with Siemens 3RT contactors, the 3RU2116-0AB0 ensures a compact and efficient control cabinet layout. Its robust design and Class 10 tripping characteristic make it an industry standard for reliability in harsh industrial environments.
Key Benefit
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Space-Saving Design: As part of the S00 size family, it offers a compact footprint, allowing for high-density mounting in electrical panels.
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Flexible Reset Options: Features a versatile “Manual-Automatic-Reset” selector, allowing maintenance teams to choose the safest recovery method for their specific application.
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Cost-Effective Protection: Provides essential protection against motor burnout, significantly reducing downtime and equipment replacement costs.
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Easy Integration: Designed for direct mounting onto 3RT201 contactors, eliminating the need for additional wiring between the contactor and the relay.
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Global Compliance: Meets international standards (IEC, UL, CSA), ensuring its suitability for global export projects.
Functionality
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Overload Protection: Continuously monitors the current consumption of the connected load.
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Phase Failure Sensitivity: Integrated features allow the relay to trip faster in the event of a phase loss, preventing unbalanced heating in the motor.
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Temperature Compensation: The 3RU21 series is compensated for ambient temperature variations between -40°C and +70°C, ensuring consistent performance regardless of factory conditions.
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Signal Indication: Features a built-in switch position indicator and a “TEST” function to verify the wiring and functionality of the auxiliary contacts.
Application
The Siemens 3RU2116-0AB0 is typically utilized in low-power industrial applications, including:
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Small Pump Motors: Protection for dosing pumps and precision fluid systems.
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Conveyor Systems: Monitoring small drive motors in packaging or assembly lines.
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HVAC Systems: Safeguarding fan motors and small actuators.
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Machine Tooling: Protecting auxiliary spindles and cooling motors in CNC machinery.
Installation and Maintenance
Thanks to the SIRIUS modular system, installation is tool-free when mounting directly to a 3RT201 contactor. The screw terminals are designed for high pull-out resistance, ensuring a vibration-proof connection even in heavy-duty environments. For maintenance, the transparent cover over the current setting dial prevents accidental changes to the protection parameters.
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| Weight | 0.155 kg |
|---|---|
| Dimensions | 49.00 × 102.00 × 84.00 mm |
| Brand | SIEMENS |
| product brand name | SIRIUS |
| product designation | thermal overload relay |
| product type designation | 3RU2 |
| size of overload relay | S00 |
| size of contactor can be combined company-specific | S00 |
| power loss [W] for rated value of the current at AC in hot operating state | 4.8 W |
| ● per pole | 1.6 W |
| insulation voltage with degree of pollution 3 at AC rated value | 690 V |
| surge voltage resistance rated value | 6 kV |
| maximum permissible voltage for safe isolation in networks with grounded star point | – |
| ● between auxiliary and auxiliary circuit | 440 V |
| ● between main and auxiliary circuit | 440 V |
| shock resistance acc. to IEC 60068-2-27 | 8g / 11 ms |
| type of protection according to ATEX directive 2014/34/EU | Ex II (2) GD |
| certificate of suitability according to ATEX directive 2014/34/EU | DMT 98 ATEX G 001 |
| reference code acc. to IEC 81346-2 | F |
| installation altitude at height above sea level maximum | 2 000 m |
| ambient temperature | – |
| ● during operation | -40 … +70 °C |
| ● during storage | -55 … +80 °C |
| ● during transport | -55 … +80 °C |
| temperature compensation | -40 … +60 °C |
| relative humidity during operation | 10 … 95 % |
| number of poles for main current circuit | 3 |
| adjustable current response value current of the current-dependent overload release | 0.11 … 0.16 A |
| operating voltage | – |
| ● rated value | 690 V |
| ● at AC-3 rated value maximum | 690 V |
| operating frequency rated value | 50 … 60 Hz |
| operational current rated value | 0.16 A |
| operating power at AC-3 | – |
| ● at 400 V rated value | 0.04 kW |
| ● at 500 V rated value | 0.06 kW |
| ● at 690 V rated value | 0.06 kW |
| design of the auxiliary switch | integrated |
| number of NC contacts for auxiliary contacts | 1 |
| number of NO contacts for auxiliary contacts | 1 |
| ● note | for message "Tripped" |
| number of CO contacts for auxiliary contacts | 0 |
| operational current of auxiliary contacts at AC-15 | – |
| ● at 120 V | 3 A |
| ● at 230 V | 2 A |
| ● at 400 V | 1 A |
| operational current of auxiliary contacts at DC-13 | – |
| ● at 24 V | 2 A |
| ● at 60 V | 0.3 A |
| ● at 110 V | 0.22 A |
| ● at 125 V | 0.22 A |
| ● at 220 V | 0.11 A |
| contact rating of auxiliary contacts according to UL | B600 / R300 |
| trip class | CLASS 10 |
| design of the overload release | thermal |
| full-load current (FLA) for 3-phase AC motor | – |
| ● at 480 V rated value | 0.16 A |
| ● at 600 V rated value | 0.16 A |
| design of the fuse link | – |
| ● for short-circuit protection of the auxiliary switch required | fuse gG: 6 A, quick: 10 A |
| mounting position | any |
| fastening method | Contactor mounting |
| product component removable terminal for auxiliary and control circuit | No |
| type of electrical connection | – |
| ● for main current circuit | screw-type terminals |
| ● for auxiliary and control circuit | screw-type terminals |
| arrangement of electrical connectors for main current circuit | Top and bottom |
| ● at AWG cables for main contacts | 2x (20 … 16), 2x (18 … 14), 2x 12 |
| type of connectable conductor cross-sections | – |
| ● for auxiliary contacts | – |
| — solid or stranded | 2x (0.5 … 1.5 mm²), 2x (0.75 … 2.5 mm²) |
| — finely stranded with core end processing | 2x (0.5 … 1.5 mm²), 2x (0.75 … 2.5 mm²) |
| ● at AWG cables for auxiliary contacts | 2x (20 … 16), 2x (18 … 14) |
| tightening torque | – |
| ● for main contacts with screw-type terminals | 0.8 … 1.2 N·m |
| ● for auxiliary contacts with screw-type terminals | 0.8 … 1.2 N·m |
| design of screwdriver shaft | Diameter 5 … 6 mm |
| size of the screwdriver tip | Pozidriv PZ 2 |
| design of the thread of the connection screw | – |
| ● for main contacts | M3 |
| ● of the auxiliary and control contacts | M3 |
| proportion of dangerous failures | – |
| ● with low demand rate acc. to SN 31920 | 50 % |
| ● with high demand rate acc. to SN 31920 | 50 % |
| failure rate [FIT] with low demand rate acc. to SN 31920 | 50 FIT |
| MTTF with high demand rate | 2 280 y |
| T1 value for proof test interval or service life acc. to IEC 61508 | 20 y |
| protection class IP on the front acc. to IEC 60529 | IP20 |
| touch protection on the front acc. to IEC 60529 | finger-safe, for vertical contact from the front |
| display version for switching status | Slide switch |
| Vibration and Shock | – |
| last modified: | 12/1/2021 |
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