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Thermal Overload Relay RTX3 100 | 28-40A Adjustable Range | Class 10A Differential Legrand

BRAND: Legrand
SKU: 416745
$367.10 List price: $457.40
1 EA ($367.10 per EA)
+ −
30 Days Return Electricians Unlock Trade Access
The Thermal Overload Relay RTX3 100 is designed for reliable motor protection, featuring an adjustable current range of 28-40A and a Class 10A differential release.
Technical Specifications
  • Adjustable current range: 28-40 A
  • Max rated operation voltage (Ue): 690 V
  • Auxiliary contacts: 1 normally open (NO) + 1 normally closed (NC)
  • Auxiliary contact rating: 0.75A / 240V AC
  • Mounting method: Direct attachment
  • Main circuit connection: Screw connection
  • Release class: Class 10
  • Cage terminals capacity: Power 4mm² to 10mm², Auxiliary circuit 1mm²
  • Dimensions (H x L x W): 80mm x 70mm x 45mm
  • Weight: 0.3 kg
Key Features
  • Adjustable current range from 28 to 40 A
  • 1NO + 1NC auxiliary contacts (0.75A / 240V AC)
  • Reset button selector with automatic or manual reset
  • Trip indicator and Stop/Test button
  • Direct attachment mounting method
  • Screw connection for main circuit
  • Release class 10
Professional Installation Requirements
  • Installation by a qualified electrician is required to ensure compliance with safety standards and proper integration with motor control systems.
Applications
  • Tertiary and industrial motor control and protection
  • Direct association with CTX3 contactors
  • Industrial automation and machinery protection
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 longer motor lifespan reducing electronic waste
Warranty Information

Standard manufacturer warranty applies, typically 1-2 years against manufacturing defects.

Available Now

The Legrand Thermal Overload Relay RTX3 100 28-40A Class 10A Differential is available for immediate purchase, ideal for industrial motor protection and 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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