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Siemens 3RU5136-4AB0 S2 Overload Relay 11-16A
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Siemens 3RU5136-4AB0 S2 Overload Relay 11-16A

Manufacturer: Siemens (SIRIUS)
Model: 3RU5136-4AB0
Size of Overload Relay: S2
Adjustable Current Range: 11 … 16 A
Trip Class: CLASS 10
Auxiliary Contacts: 1 NO + 1 NC
Connection Type: Screw Terminals (Main and Auxiliary)
Reset Function: Manual / Automatic Reset

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Product Description

The Siemens 3RU5136-4AB0 is a high-reliability thermal overload relay from the SIRIUS 3RU5 series, specifically engineered for the protection of motors in standard applications. Designed for mounting onto S2-size contactors, it provides effective protection against excessive temperature rises due to overloads or phase failures. This relay features an adjustable current range of 11 to 16 Amps and operates under Trip Class 10. Equipped with 1NO + 1NC auxiliary contacts and a manual/automatic reset function, it ensures maximum operational safety and equipment longevity in demanding industrial electrical networks.

Standard Features

  • Comprehensive Motor Protection: Safeguards motors against damage from overloads and phase failures by monitoring the current flow.

  • Dual Reset Modes: Offers the flexibility of manual intervention or automatic system recovery after a thermal trip event.

  • Integrated Auxiliary Switches: Features 1NO + 1NC contacts for fault signaling and interlocking with the control circuit.

  • Trip Class 10 Performance: Ensures rapid response to thermal overload conditions to protect motor windings from overheating.

  • Optimized for S2 Contactors: Designed for direct mounting on Siemens S2 size contactors, saving space and reducing wiring time.

  • Climate Resistance: Engineered to operate reliably in diverse environmental conditions with high resistance to vibration and shock.

Technical Specifications

Parameter Specification
BrandSiemens SIRIUS
Article Number3RU5136-4AB0
SizeS2
Setting Range11.0 to 16.0 Amperes
Trip ClassClass 10 (Standard)
Power Loss (per pole)Approx. 3.5 W
Mounting TypeDirect Mounting (on S2 contactors)
Protection ClassIP20 (Front Side)

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