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RF200125 - T/O RELAY RF200 75-125A

MPN: RF200125

Special Price £321.40 £267.83 Regular Price £535.66

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Why Choose the RF200125?

Protect three-phase motors with the Lovato RF200125 thermal overload relay. This phase failure/single-phase sensitive, three-pole device supports manual or automatic reset and integrates cleanly with B series contactors. Covering motor applications up to 125 A and designed for screw mounting, it provides dependable overload protection and straightforward setup for control panels and motor starters.

Built for robust installations, it offers IP20 frontal protection, a rated insulation voltage of 1000 V and 6 kV impulse withstand. Operating from -25 to +60 °C and up to 3000 m altitude with Pollution Degree 3, it complies with IEC/EN 60947-1 and 60947-4-1, as well as UL508 and CSA C22.2 No. 14.

Key Benefits

  • Phase failure/single-phase sensitivity helps protect motors from supply faults.
  • Three-pole design for reliable three-phase motor protection.
  • Up to 125 A coverage suits higher-current motor applications.
  • Manual or automatic reset to match maintenance preferences.
  • Screw mounting enables fast, secure panel installation.
  • Integrates with Lovato B series contactors for compatibility.
  • IP20 frontal protection for safer operation and handling.
  • High insulation and impulse ratings support robust environments.

Technical Specification

  • Number of poles: 3
  • Pollution degree: 3
  • IP degree (frontal): IP20
  • Rated insulation voltage Ui (IEC/EN): 1000 V
  • Rated impulse withstand voltage Uimp: 6 kV
  • Terminal tightening torque: 18 to 18 Nm
  • Ith (IEC): 10 A
  • Operating temperature: -25 to 60 °C
  • Storage temperature: -50 to 70 °C
  • Max altitude: 3000 m
  • Weight: 2150 g

What’s Included

  • Lovato RF200125 thermal overload relay unit
  • Manufacturer installation and operation information
  • Product packaging

Applications

  • Three-phase motor protection with overload and phase-loss sensitivity
  • Motor starters paired with Lovato B series contactors
  • Industrial control panels requiring manual or automatic reset options
  • Installations governed by IEC/EN 60947, UL508 and CSA requirements

Frequently Asked Questions

What is the operational current range of the RF200125?
It has an operational current range of 75...125 A.
Does the relay detect phase failure or single-phasing?
Yes. It is phase failure/single-phase sensitive.
What reset modes are available?
It supports manual or automatic reset.
Which contactor series is it compatible with?
It is designed for Lovato B series contactors.
What is the operating temperature range?
The operating range is -25 to 60 °C.

Safety note: Install and commission only by qualified personnel. Always isolate power before work, and configure settings in accordance with the manufacturer’s ratings and applicable standards.

More Information
Manufacturer Part Number RF200125
Manufacturer Lovato
HS Code 85364900
Barcode 8013975169490
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