3RB2036-1UB0 | Siemens SIRIUS Solid-State Overload Relay, Class 10

Siemens · HMIs & Displays

Description  The Siemens 3RB2036-1UB0 is a solid-state overload relay from the SIRIUS series, designed to protect three-phase motors against overload, phase loss, and phase imbalance. With an adjustable current range and Class 10 tripping behavior, it ensures fast and reliable motor protection in industrial environments. The Siemens 3RB2036-1UB0 is intended for direct mounting onto compatible SIRIUS contactors.     Technical Specifications  Condition New/Never Used Surplus Brand Siemens Category Relays Part Number 3RB2036-1UB0 Subcategory Solid State Overload Relays Series SIRIUS Number of Poles 3 Trip Class Class 10 Current Adjustment Range 12.5–50 A Auxiliary Contacts 1 NO / 1 NC Contact Rating 50 A at 690 VAC Reset Type Manual or Automatic (selectable) Mounting Type Direct to contactor Terminal Type Threaded screw terminals Enclosure Rating IP00 (IP20 front when mounted) Operating Temperature -25 to +60 °C Dimensions (H × W × D) 92 × 55 × 109 mm EU RoHS Indicator C Weight 0.359 kg     Information About 3RB2036-1UB0 The 3RB2036-1UB0 is part of Siemens’ SIRIUS motor protection portfolio, engineered to provide precise electronic overload monitoring for AC motors. It supports adjustable current settings and offers selectable manual or automatic reset modes to suit different operational requirements. The relay mounts directly to SIRIUS contactors, reducing wiring complexity and saving panel space. Its solid-state design enhances accuracy and reliability compared to traditional thermal overload relays. Key Features: Solid-State Motor Protection: Provides accurate electronic overload detection without thermal elements. Adjustable Current Range: Allows precise motor protection tuning across a wide amperage range. Class 10 Tripping: Ensures fast response suitable for most standard motor applications. Phase Loss Detection: Trips rapidly in the event of phase failure or severe imbalance. Direct Contactor Mounting: Designed for seamless integration with Siemens SIRIUS contactors. Selectable Reset Mode: Supports manual or automatic reset configuration. Auxiliary Contacts Included: Features one normally open and one normally closed contact for signaling. Compact SIRIUS Design: Optimized for space-efficient motor starter assemblies. The 3RB2036-1UB0 delivers the reliability and precision required for protecting industrial motors from electrical faults and abnormal operating conditions.

Brand: Siemens · Category: HMIs & Displays

Key features

• Solid-State Motor Protection: Provides accurate electronic overload detection without thermal elements.
• Adjustable Current Range: Allows precise motor protection tuning across a wide amperage range.
• Class 10 Tripping: Ensures fast response suitable for most standard motor applications.
• Phase Loss Detection: Trips rapidly in the event of phase failure or severe imbalance.
• Direct Contactor Mounting: Designed for seamless integration with Siemens SIRIUS contactors.
• Selectable Reset Mode: Supports manual or automatic reset configuration.
• Auxiliary Contacts Included: Features one normally open and one normally closed contact for signaling.
• Compact SIRIUS Design: Optimized for space-efficient motor starter assemblies.

Specifications

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