RFN200150 - T/O RELAY 90-150A MAN-AUTO

Why Choose the RFN200150?

Engineered for robust motor protection, the Lovato RFN200150 thermal overload relay safeguards three-phase installations. This three-pole, non phase failure/non single-phase sensitive device supports 90...150 A operational current and offers manual or automatic reset to suit your process. Designed for screw mounting and matched to Lovato B contactor series, RFN200150 streamlines panel integration and reliable overload protection for industrial motor circuits.

Built for demanding environments, it features IP20 frontal protection, 1000 V rated insulation (IEC/EN) and 6 kV impulse withstand. Operates from -25 to 60 °C, up to 3000 m altitude, with pollution degree 3. Compliance includes IEC/EN 60947-1 and 60947-4-1 plus UL508 and CSA C22.2 n° 14, with a Sustainability certification supporting responsible selection.

Key Benefits

• Three-pole design safeguards three-phase motor circuits effectively.
• Supports 90...150 A operational current range.
• Manual or automatic resetting to suit maintenance and uptime needs.
• Compatible with Lovato B contactor series for seamless integration.
• Rated insulation 1000 V and 6 kV impulse withstand for resilience.
• IP20 frontal degree and screw mounting for straightforward panel installation.
• Broad environmental ratings: -25 to 60 °C and up to 3000 m.
• Conforms to IEC/EN 60947, UL508 and CSA standards for compliance.

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 RFN200150 thermal overload relay unit
• Installation and safety information (manufacturer documentation)
• Downloadable product datasheet (via manufacturer)

Applications

• Three-phase motor overload protection in industrial control panels
• Installations pairing with Lovato B series contactors
• Process equipment such as pumps, fans and compressors within 90...150 A
• IEC/EN 60947 compliant motor circuits and assemblies
• Projects requiring UL508 and CSA C22.2 n° 14 recognition

Safety note: Installation and commissioning must be performed by qualified personnel with power isolated. Follow the manufacturer documentation and applicable IEC/EN standards, and tighten terminals to the specified torque.