SIEMENS
Siemens 3RU2116-0DB0 is a highly reliable thermal overload relay specifically designed for motor protection in industrial control systems. It features an adjustable current setting of 0.22 to 0.32 A, fits size S00 contactors, and is rated for tripping class 10.
Backorder available · Factory lead time 2–3 weeks.
The Siemens 3RU2116-0DB0 Overload Relay is a high-performance thermal relay designed for reliable motor protection in industrial and commercial applications. Suitable for mounting with contactors, this overload relay ensures precise motor current monitoring and prevents damage caused by overcurrent conditions. With a flexible control system and easy manual or automatic reset, it guarantees safety and efficiency in electrical circuits.
Extended Motor Lifespan: Precisely calibrated thermal protection prevents motor winding burnout, significantly extending the operational life of your assets.
Reduced Downtime: Quick and reliable tripping minimizes damage, leading to faster fault resolution and reduced system downtime.
Simplified Installation: Designed for tool-free, direct mounting to Siemens contactors, which saves installation time and reduces component inventory.
Operational Versatility: The Manual/Automatic/Reset function allows the user to choose the most suitable system recovery method for the application, improving workflow efficiency.
Overload Protection: Monitors and protects motors from excessive current.
Thermal Response: Reacts to temperature rises in the motor to prevent overheating.
Contactor Mounting: Designed for seamless integration with Siemens contactors.
Manual & Automatic Reset: Enables flexible system control.
Reliable Connection: Screw terminals ensure stable electrical connections in both main and auxiliary circuits.
Visit 3RU2116-0DB0 for more detail info
For more our products visit turll
| SKU / Model | 3RU2116-0DB0 |
|---|---|
| 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 | 0.22 ... 0.32 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 | 0.32 A |
| operating power at AC-3 | - |
| ● at 400 V rated value | 0.09 kW |
| ● at 500 V rated value | 0.12 kW |
| ● at 690 V rated value | 0.12 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 | 0.32 A |
| ● at 600 V rated value | 0.32 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 |
| Weight | 0.150 kg |
| Dimensions | 49.00 × 102.00 × 84.00 mm |
Request a quote for project quantities, discontinued or obsolete models, and pro-forma invoice / bank transfer orders. Our sourcing team responds fast.
