SIEMENS
Thermal overload relay, 4.5-6.3 A adjustable range, S00, Class 10 for motor protection. Features secure spring-loaded terminals and Manual/Automatic RESET. Ideal for direct mounting on SIRIUS contactors.
Backorder available · Factory lead time 2–3 weeks.
The Siemens 3RU2116-1GC0 is a high-quality thermal overload relay designed to deliver precise and dependable motor protection. Built for industrial applications, this relay ensures safe operation by safeguarding motors from overloads, phase failure, and excessive heating. Engineered for seamless mounting on Siemens S00 contactors, it offers superior performance and long-term reliability for modern automation systems.
With spring-loaded terminals, manual/automatic reset, and a compact frame size (S00), this overload relay is ideal for applications demanding efficiency, accuracy, and easy installation.
Reliable Motor Protection: Prevents damage from overloads and phase imbalance.
Easy Installation: Spring-loaded terminals ensure quick, secure wiring.
Flexible Reset Function: Choose between manual and automatic reset based on operational needs.
Compact & Space Saving: Compact S00 frame fits easily into control panels.
Compatible with Siemens Systems: Designed for direct mounting on Siemens S00 contactors.
Optimized Thermal Response: Class 10 trip characteristics for fast protective action.
Current Range: 4.5…6.3 A
Relay Type: Thermal overload relay
Trip Class: Class 10
Frame Size: S00
Main Circuit Connection: Spring-loaded terminal
Auxiliary Circuit Connection: Spring-loaded terminal
Reset Options: Manual / Automatic RESET
Mounting: Direct mounting on Siemens contactors
Application: Motor protection in industrial electrical systems
Protection Against:
Motor overload
Phase loss
Excessive heat
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| SKU / Model | 3RU2116-1GC0 |
|---|---|
| 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 | 4.5 ... 6.3 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 | 6.3 A |
| operating power at AC-3 | - |
| ● at 400 V rated value | 2.2 kW |
| ● at 500 V rated value | 3 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 | 6.3 A |
| ● at 600 V rated value | 6.3 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 | spring-loaded terminals |
| ● for auxiliary and control circuit | spring-loaded terminals |
| arrangement of electrical connectors for main current circuit | Top and bottom |
| ● for main contacts | - |
| ● at AWG cables for main contacts | 1x (20 ... 12) |
| type of connectable conductor cross-sections | - |
| ● for auxiliary contacts | - |
| — solid or stranded | 2x (0.5 ... 2.5 mm²) |
| — finely stranded with core end processing | 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| — finely stranded without core end processing | 2x (0.5 ... 1.5 mm²) |
| ● at AWG cables for auxiliary contacts | 2x (20 ... 14) |
| design of screwdriver shaft | Diameter 3 mm |
| size of the screwdriver tip | 3,0 x 0,5 mm |
| 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: | 12/15/2020 |
| Weight | 0.178 kg |
| Dimensions | 49.00 × 102.00 × 84.00 mm |
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