Siemens 3RU2116-0HB0 Overload Relay
Overload Relay
A compact thermal overload relay from the SIEMENS SIRIUS range, designed for accurate motor protection, wide temperature operation, and seamless integration with S00 contactors in industrial control panels.SIEMENS SIRIUS 3RU2 116-0HB0 Thermal Overload Relay
A high-reliability thermal overload relay designed for precise motor protection in industrial control systems. Part of the SIRIUS product family, this overload relay ensures dependable current monitoring, overload protection, and safe operation when combined with S00-size contactors in motor starter assemblies. Manufacturer: SIEMENS
Product Brand Name: SIRIUS
Product Designation: Thermal Overload Relay
Product Type Designation: 3RU2
MRN: 3RU2 116-0HB0
Size Of Overload Relay: S00
Compatible Contactor Size (Company-Specific): S00
Operating Power (AC-3):
¢ 0.18 kW at 400 V
¢ 0.25 kW at 500 V
¢ 0.37 kW at 690 V
Relay bases and sockets for various relay types are available. For compatible options, please contact us directly or visit our website to view all available models.
| Number Of Poles (Main Current Circuit) | 3 |
| Adjustable Current Response Range | 0.55 / 0.8 A |
| Power Loss At Rated Current (AC, Hot State) | 4.8 W (1.6 W per pole) |
| Insulation Voltage (Pollution Degree 3) | 690 V AC |
| Rated Surge Voltage Resistance | 6 kV |
| Maximum Permissible Voltage For Protective Separation | 440 V |
| Ambient Temperature During Operation | ˆ’40 / +70 °C |
| Protection Class (Front, IEC 60529) | IP20 |
| Explosion Proof | Yes |
| Dimensions (H × W × D) | 76 × 45 × 70 mm |





















