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Thermal Overload Relay RTX3 40 2.5-4.0A Adjustable Range Class 10 Legrand

BRAND: Legrand
SKU: 416647
$85.60 List price: $106.60
1 EA ($85.60 per EA)
+ −
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The Thermal Overload Relay RTX3 40 is designed for precise motor protection with an adjustable current range of 2.5-4.0A and Class 10 rating.
Technical Specifications
  • Adjustable current range: 2.5-4 A
  • Max rated operation voltage (Ue): 690 V
  • Mounting method: Direct attachment
  • Electrical connection type: Screw connection
  • Auxiliary contacts: 1 normally closed (NC), 1 normally open (NO)
  • Release class: Class 10
  • Auxiliary contact rating: 0.75A / 240V AC
  • Dimensions (H x L x W): 80mm x 70mm x 45mm
  • Weight: 0.2 kg
Key Features
  • Adjustable current range from 2.5 to 4 A
  • Class 10 thermal overload relay
  • 1 normally open (NO) and 1 normally closed (NC) auxiliary contact (0.75A / 240V AC)
  • Screw terminal connections for power and auxiliary circuits (1mm² capacity)
  • Reset button selector with automatic or manual reset options
  • Trip indicator and Stop/Test button
  • Direct attachment mounting method
  • Designed for tertiary and industrial installations
Professional Installation Requirements
  • Installation should be performed by a qualified electrician familiar with motor control and protection systems to ensure compliance with safety standards and proper operation.
Applications
  • Tertiary and industrial motor control and protection
  • Direct association with CTX3 contactors
  • Motor overload protection in industrial automation systems
Standards & Compliance
  • AS/NZS 3000 – Wiring Rules (Electrical Installation)
  • AS/NZS 4801 – Occupational Health & Safety Management Systems
Environmental Benefits
  • Helps prevent motor damage and energy waste by providing precise overload protection
  • Supports energy-efficient motor operation by avoiding unnecessary downtime and repairs
Warranty Information

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

Available Now

The Legrand Thermal Overload Relay RTX3 40 2.5-4.0A Class 10A is available for immediate purchase, ideal for industrial and tertiary motor control applications.

LE07229AB (LE07229AB.pdf, 2,118 Kb) [Download]

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]

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

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

ex223001_0284 (ex223001_0284.pdf, 76 Kb) [Download]

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