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3RU6126-1GB0

The Siemens 3RU6126-1GB0 is a high-performance electronic overload relay from the SIRIUS 3RU61 series, designed for precise motor protection in industrial automation applications. This solid-state relay replaces traditional thermal overload relays with advanced electronic monitoring technology, offering superior protection and diagnostics for motors in the 0.16-0.25A range.

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TEL：400-887-3214
Mail：jilineasyyi@outlook.com
Q Q：615739355
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Key Specifications
Electrical Characteristics

Current Setting Range: 0.16-0.25A (continuously adjustable)

Trip Class: Selectable (10/20/30)

Rated Operational Voltage: 690V AC

Control Supply Voltage: 24V AC/DC (self-powered for basic functions)

Ambient Temperature Range: -25°C to +60°C

Protection Features

Electronic overload protection with ±5% accuracy

Phase loss detection

Current imbalance protection

Ground fault monitoring (with optional modules)

Motor thermal modeling for accurate protection

Control & Monitoring

Auxiliary Contacts: 1NO + 1NC (6A/250V AC)

LED Indicators: Power ON, Ready, Fault

Test/Reset Function: Manual test button with auto/manual reset selector

Mechanical Design

Compact DIN rail mounting (35mm)

Spring-loaded terminals (0.25-2.5mm² conductors)

IP20 protection degree

Direct coupling with SIRIUS 3RT contactors

Communication & Integration

Optional PROFIBUS/PROFINET communication (with 3RB30 module)

Compatible with Siemens SIMATIC automation systems

Standards Compliance

IEC/EN 60947-4-1

UL 508

CE, cULus, RoHS compliant

Typical Applications
Precision motor protection in manufacturing

Small motor control in automation systems

Pump and fan control applications

Conveyor systems with small motors

Laboratory and testing equipment