Microprocessor based overload relay - 3RB (Class 20E) - 3RB3036-2WW1

Product Description

Siemens 3RB3036-2WW1 Electronic Overload Relay – Class 20E Intelligent Motor Protection for Demanding Industrial Applications

The Siemens 3RB3036-2WW1 Electronic Overload Relay is a high-performance microprocessor-based motor protection device designed to deliver accurate and dependable protection for three-phase motors operating in demanding industrial environments. As part of the renowned Siemens SIRIUS 3RB3 Series, this advanced electronic overload relay combines intelligent monitoring technology with reliable overload protection to safeguard motors against overload conditions, phase failure, phase imbalance, and excessive thermal stress. Siemens electronic motor protection relays are widely used in industrial automation systems where equipment reliability and operational continuity are critical.

Unlike conventional thermal overload relays that rely on bimetallic elements, the Siemens 3RB3036-2WW1 utilizes advanced electronic current sensing and microprocessor-controlled evaluation. This technology continuously monitors motor current and operating conditions, allowing the relay to detect abnormal situations with significantly higher precision and repeatability than traditional thermal protection devices. By responding quickly to overload conditions, the relay helps prevent motor overheating, winding damage, insulation degradation, and unexpected production downtime.

One of the key advantages of the 3RB3036-2WW1 Electronic Overload Relay is its Class 20E tripping characteristic. Class 20E protection is specifically designed for motors that experience extended starting times or heavy-duty startup conditions. Applications such as conveyors, crushers, compressors, mixers, material handling equipment, pumps, and process machinery often require additional startup time before reaching normal operating speed. The Class 20E characteristic allows these motors to start normally while still providing reliable protection against prolonged overload conditions.

The Siemens 3RB3036-2WW1 is engineered to provide inverse-time delayed overload protection, ensuring that motors are protected according to their thermal characteristics. This intelligent protection method allows temporary overloads during startup while quickly disconnecting the motor when unsafe operating conditions persist. The result is improved motor lifespan, reduced maintenance requirements, and enhanced equipment reliability across industrial applications.

A major benefit of the 3RB3036-2WW1 Motor Protection Relay is its integrated phase failure and phase imbalance protection. Single-phasing conditions can rapidly increase current in the remaining phases, leading to severe motor overheating and premature failure. The relay continuously monitors all motor phases and automatically trips whenever dangerous phase conditions are detected. This protection helps safeguard valuable equipment while minimizing costly downtime and repair expenses.

The relay also incorporates advanced thermal modeling capabilities that accurately simulate motor heating behavior. This enables the Siemens 3RB3036-2WW1 to provide more precise motor protection compared to traditional overload relays. Electronic measurement technology ensures consistent performance regardless of ambient temperature fluctuations, improving protection reliability in challenging industrial environments.

Designed for seamless integration into industrial motor starter assemblies, the relay supports direct mounting with compatible Siemens SIRIUS contactors. Its compact construction helps reduce panel space requirements while simplifying installation and maintenance procedures. The robust industrial design ensures dependable operation even under harsh operating conditions commonly found in manufacturing plants, processing facilities, and automation systems.

For enhanced monitoring and control, the 3RB3036-2WW1 includes integrated auxiliary contacts that can be used for overload trip indication, PLC monitoring, alarm signaling, fault diagnostics, and automation control functions. These contacts provide valuable feedback to operators and maintenance personnel, enabling faster troubleshooting and improved system visibility.

The relay supports both manual and automatic reset functions, giving users the flexibility to choose the most suitable recovery method for their application. Automatic reset functionality can help reduce downtime in automated systems, while manual reset provides additional safety in critical motor control applications.

Built according to Siemens' stringent industrial quality standards, the Siemens 3RB3036-2WW1 Electronic Overload Relay delivers long-term reliability, precise protection performance, and dependable operation in industrial automation systems. Its advanced electronic protection technology makes it an ideal choice for OEMs, panel builders, electrical contractors, maintenance engineers, and industrial operators seeking reliable motor protection solutions. Siemens is globally recognized for industrial automation and motor control technologies, making SIRIUS protection devices a trusted choice across industries.

At SBsmart.in, we supply genuine Siemens industrial automation and motor protection products trusted by industries across India. When you choose the Siemens 3RB3036-2WW1 Electronic Overload Relay, you receive an authentic Siemens SIRIUS motor protection solution engineered for superior reliability, safety, and long-term industrial performance.