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Thermal Overload Relay RTX3 400 | 120-185A Adjustable Range | Class 10A Protection Legrand

BRAND: Legrand
SKU: 416788
$926.20 List price: $1,154.10
1 EA ($926.20 per EA)
+ −
30 Days Return Electricians Unlock Trade Access
The Thermal Overload Relay RTX3 400 is designed for reliable motor protection with an adjustable current range of 120-185A and Class 10A thermal release.
Technical Specifications
  • Adjustable current range: 120-185 A
  • Max rated operation voltage (Ue): 690 V
  • Mounting method: Direct attachment
  • Electrical connection type: Screw connection
  • Auxiliary contacts: 1 normally open (NO), 1 normally closed (NC)
  • Release class: Class 10
  • Auxiliary contact rating: 0.75A / 240V AC
  • Dimensions (H x L x W): 110mm x 120mm x 70mm
  • Weight: 1.5 kg
Key Features
  • Adjustable current range from 120 to 185 A
  • Class 10 thermal release for motor protection
  • 1 normally open and 1 normally closed auxiliary contact
  • Screw terminal connections with capacity up to 95mm² for power circuit
  • Reset button selector with automatic or manual reset options
  • Trip indicator and Stop/Test button for easy operation
  • Direct attachment mounting method
Professional Installation Requirements
  • Installation by a qualified electrician or technician is required to ensure proper integration with motor control systems and compliance with safety standards.
Applications
  • Industrial motor control and protection
  • Tertiary sector electrical installations
  • Direct association with CTX3 contactors
Standards & Compliance
  • Complies with AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Protects motors from overheating, reducing energy waste and extending equipment life
  • Helps prevent electrical faults that could lead to environmental hazards
Warranty Information

Standard manufacturer warranty applies, typically 1 year against manufacturing defects.

Available Now

The Legrand Thermal Overload Relay RTX3 400 120-185A Class 10A Differential is available for immediate purchase, ideal for industrial motor protection and control applications.

F01992FR-02 (F01992FR-02.pdf, 1,434 Kb) [Download]

F01992EN-02 (F01992EN-02.pdf, 1,921 Kb) [Download]

Technical Guide: Protection and control of 3-phase asynchronous motors (EXB19046_TG_3phase-asynchronous-motors_EN.pdf, 5,963 Kb) [Download]

LE07228AB (LE07228AB.pdf, 2,322 Kb) [Download]

ex223001_0294-0295 (ex223001_0294-0295.pdf, 754 Kb) [Download]

ex223001_0292-0293 (ex223001_0292-0293.pdf, 607 Kb) [Download]

ex223001_0285 (ex223001_0285.pdf, 119 Kb) [Download]

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