Siemens 3RU5156-2WB2 SIRIUS Thermal Overload Relay 63-90 A, Size S6, Class 10 Motor Protection Supplier | SIMPLYBUY
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Siemens 3RU5156-2WB2 SIRIUS Thermal Overload Relay 63-90 A, Size S6, Class 10 Motor Protection
Siemens 3RU5156-2WB2 SIRIUS Thermal Overload Relay 63-90 A, Size S6, Class 10 Motor Protection - Image 2
Siemens 3RU5156-2WB2 SIRIUS Thermal Overload Relay 63-90 A, Size S6, Class 10 Motor Protection - Image 3

Siemens 3RU5156-2WB2 SIRIUS Thermal Overload Relay 63-90 A, Size S6, Class 10 Motor Protection

Manufacturer: Siemens
Model: 3RU5156-2WB2
Type: SIRIUS Thermal Overload Relay
Current Setting Range: 63-90 A
Size: S6
Trip Class: Class 10
Mounting Type: Single mounting
Reset Function: Manual / Automatic reset
Application: Motor overload protection, motor starters, industrial control panels, and automation systems

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Product Description

The Siemens 3RU5156-2WB2 is a SIRIUS thermal overload relay designed for reliable motor protection in industrial applications. It provides an adjustable current setting range of 63 to 90 A and features Class 10 overload protection characteristics. Designed for S6 size applications, the relay supports standalone mounting with screw terminals for both the main and auxiliary circuits and offers manual or automatic reset operation.

Standard Features

  • 63-90 A Adjustable Protection Range: Provides adjustable motor overload protection for applications requiring current settings between 63 A and 90 A.

  • Class 10 Trip Characteristics: Provides standard Class 10 overload protection suitable for general industrial motor applications.

  • S6 Frame Design: Designed for larger SIRIUS contactor assemblies and industrial motor starter configurations.

  • Manual and Automatic Reset: Supports flexible reset operation according to control system requirements.

  • Screw Terminal Connection: Uses screw terminals for secure main circuit and auxiliary circuit connections.

  • Industrial Motor Protection: Helps protect motors against overload conditions in automation and control applications.

Technical Specifications

Parameter Value
TypeThermal Overload Relay
Manufacturer Part Number3RU5156-2WB2
Product SeriesSIRIUS 3RU5
SizeS6
Current Setting Range63-90 A
Trip ClassClass 10
Motor Protection TypeThermal overload protection
Main Circuit Poles3 poles
Mounting TypeSingle mounting
Main Circuit ConnectionScrew terminals
Auxiliary Circuit ConnectionScrew terminals
Reset FunctionManual / Automatic reset
Rated Frequency50-60 Hz
Front ProtectionIP20
Touch ProtectionFinger-safe from the front
Surge Voltage Resistance8 kV
Operating Humidity0-90% relative humidity
ApprovalsCCC, UL, EAC, EU Declaration of Conformity, CCS

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