ОПИСАНИЕ ПРОДУКТА
SIEMENS 3RU2136-4HB1 - Thermal Overload Relay
The SIEMENS SIRIUS 3RU2136-4HB1 is an electromechanical thermal overload relay designed for bimetallic protection of AC motors against excessive current and phase failure. This device integrates into industrial motor control circuits, providing reliable protection for applications such as pumps, fans, compressors, and conveyor systems within manufacturing and process automation environments. It utilizes a Class 10 tripping characteristic, suitable for standard starting motors.
Technical Specifications:
- SERIES/FAMILY: SIRIUS 3RU2
- COMPONENT TYPE: Thermal Overload Relay
- ELECTRICAL SPECS:
- CURRENT SETTING RANGE: 28.0 - 36.0 A
- TRIPPING CLASS: Class 10
- OPERATIONAL VOLTAGE: Up to 690V AC
- AUXILIARY CONTACTS: 1 Normally Open (NO) + 1 Normally Closed (NC)
- RATED INSULATION VOLTAGE: 690V AC
- RATED IMPULSE WITHSTAND VOLTAGE: 6 kV
- MECHANICAL/PHYSICAL:
- FRAME SIZE: S0
- MOUNTING: Direct mounting to SIRIUS 3RT2 contactors or stand-alone with adapter
- TERMINAL TYPE: Screw terminals for main and auxiliary circuits
- RESET FUNCTION: Manual and Automatic Reset
- INTERFACE/CONTROL:
- CONTROL CIRCUIT VOLTAGE: Dependent on connected contactor coil voltage
- INDICATORS: Mechanical trip indicator
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 to +60 °C
- STORAGE TEMPERATURE: -50 to +80 °C
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- COMPATIBLE CONTACTORS: SIEMENS SIRIUS 3RT2 contactors, size S0
- APPLICATION: Overload and phase failure protection for three-phase AC motors in industrial machinery, HVAC systems, and material handling equipment
