Siemens 3RU2116-1FB0 Thermal Overload Relay 3.5–5.0A, Motor Protection Relay, Size S00 Original Brand New
$43.78
Thermal overload relay for secure motor protection. It features a precise adjustment range of 3.5–5.0 A, secure screw terminals, and flexible Manual/Automatic reset. Ideal for direct contactor mounting.
Availability: In stock
Overview
The Siemens 3RU2116-1FB0 Thermal Overload Relay is built for robust performance in demanding industrial environments. Its advanced thermal design ensures sensitive motor overload detection, enabling fast tripping and preventing motor burnout. Engineered for integration with Siemens S00 series contactors, this relay offers reliable protection in motor control circuits, HVAC systems, conveyor operations, pumps, machinery panels, and automation lines.
With screw terminals on both the main and auxiliary circuits, installation is simple and secure. The compact structure saves panel space, while the manual/automatic reset option provides flexibility in different operational setups. Its compliance with international safety standards makes it a trusted choice for system designers, maintenance teams, and engineers.
Benefits
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Reliable Motor Protection: Prevents motor overheating and extends system lifespan.
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High Accuracy: Class 10 tripping ensures precise response to overload conditions.
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Flexible Reset Options: Choose between manual or automatic reset depending on system needs.
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Easy Installation: Screw-type terminals for both main and auxiliary circuits ensure secure connections.
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Compact Design: Fits seamlessly with Siemens S00 contactor systems.
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Enhanced Safety: Helps eliminate downtime and protects critical machinery.
Functions & Features
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Rated Operating Range: 3.5 to 5.0 A
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Protection Type: Thermal overload protection
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Frame Size: S00
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Trip Class: Class 10
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Mounting Type: Contactor mounting
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Main Circuit Connection: Screw terminal
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Auxiliary Circuit Connection: Screw terminal
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Reset Function: Manual / Automatic selectable
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Application: Motor protection in industrial automation systems
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| Weight | 0.158 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 | 6.6 W |
| ● per pole | 2.2 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 | 3.5 … 5 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 | 5 A |
| operating power at AC-3 | – |
| ● at 400 V rated value | 1.5 kW |
| ● at 500 V rated value | 2.2 kW |
| ● at 690 V rated value | 4 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 | 5 A |
| ● at 600 V rated value | 5 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 |
| 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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