Description
Siemens Thermal Overload Relay 3RU5156-3HB2 Reliable Protection
Reliable thermal overload protection for motors
| Brand | Siemens |
| Model | 3RU5156-3HB2 |
| Voltage | 230-400V AC |
| Country of Origin | Germany |
| Weight | 0.8 kg |
| Dimensions | 100 x 80 x 50 mm |
| Warranty | 1 year |
| Certifications | CE, UL |
| SKU / MPN | 3RU5156-3HB2 |
| What’s in the box | Thermal Overload Relay, Instruction Sheet |
| Current Range | 16-25 A |
| Trip Class | 10A |
| Reset Type | Manual/Auto |
| Number of Poles | 3 |
| Ambient Temperature | -25°C to +55°C |
| Enclosure Type | IP20 |
Key benefits: Accurate tripping, easy installation, and long service life
Typical applications: Motor control centers, industrial machinery, HVAC systems
Order number: Siemens Thermal Overload Relay 3RU5156-3HB2 Reliable Protection
Lifecycle: Active
Documentation: Product datasheet, installation instructions
Typical applications: Motor control centers, industrial machinery, HVAC systems
Order number: Siemens Thermal Overload Relay 3RU5156-3HB2 Reliable Protection
Lifecycle: Active
Documentation: Product datasheet, installation instructions





Linda B. –
Product was exactly as described. Our engineers were pleased with the performance.