Siemens 3RU2116-1BB0 Overload Relay, 1.4–2.0A, Thermal Motor Protection, Size S00, Class 10 Original Brand New
$43.78
The model is a compact, reliable Thermal Overload Relay from the SIRIUS line, designed for essential motor protection up to 1.5 kW (at 400V). With an adjustable setting range of 1.4–2.0 A and Class 10 tripping, it offers precise, fast response protection for IEC applications. It features contactor mounting (Size S00) and secure screw-type terminals for both main and auxiliary circuits, along with a user-friendly Manual-Automatic-Reset function.
Availability: In stock
Overview
The Siemens 3RU2116-1BB0 overload relay provides reliable protection for electric motors against overload conditions. Designed with precision engineering, this thermal overload relay ensures optimal motor safety, extending equipment lifespan and minimizing downtime. Suitable for S00-sized contactors, this device combines durability and ease of use, making it an essential component in industrial motor control applications.
Key Features & Benefit
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Reliable Motor Protection: Protects motors from overheating and overload conditions with a current range of 1.4–2.0 A.
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Size S00 & Class 10: Standardized sizing and trip class for compatibility with Siemens contactors.
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Versatile Installation: Screw terminals for both main and auxiliary circuits ensure secure connections.
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Manual & Automatic Reset: Flexibility in operation to suit specific industrial requirements.
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Durable Design: Built to withstand harsh industrial environments, providing long-lasting performance.
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Energy Efficient: Prevents unnecessary motor stops and reduces maintenance costs.
Function
This overload relay monitors current flow and interrupts the circuit in case of overheating, preventing motor damage. It can be manually or automatically reset depending on operational needs. Suitable for a wide range of industrial motor protection applications.
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| Weight | 0.156 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 | 5.7 W |
| ● per pole | 1.9 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 | 1.4 … 2 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 | 2 A |
| operating power at AC-3 | – |
| ● at 400 V rated value | 0.75 kW |
| ● at 500 V rated value | 0.75 kW |
| ● at 690 V rated value | 1.1 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 | 2 A |
| ● at 600 V rated value | 2 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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