RF380100 Lovato RF38 overload relay 0.63-1 amp 0.25 kw

Why Choose the RF380100?

Built for dependable motor protection, the Lovato RF380100 thermal overload relay combines phase failure/single‑phase sensitivity with a three‑pole design for three‑phase circuits. Covering an adjustable 0.63…1 A range, the RF380100 supports manual or automatic resetting to suit your control strategy. It mounts directly onto BF09–BF38 contactors for a compact, tidy panel layout, helping safeguard motors against overload conditions while simplifying installation and maintenance in industrial control applications.

Engineered for reliability, this relay offers IP20 frontal protection, Ui 690 V and 6 kV impulse withstand, with Pollution Degree 3 construction. It operates from −25 to 60 °C, stores from −50 to 70 °C, and functions up to 3000 m altitude. With a 10 A Ith and 2–2.5 Nm terminal torque, it meets IEC/EN 60947-1, IEC/EN 60947-4-1, UL508 and CSA C22.2 n° 14 standards.

Key Benefits

• Phase failure and single‑phase sensitive protection for dependable motor safety.
• Adjustable operational current range from 0.63…1 A.
• Manual or automatic reset to suit control preferences.
• Direct mounting on BF09–BF38 contactors for compact panels.
• Three‑pole design optimised for three‑phase applications.
• High insulation rating: Ui 690 V, Uimp 6 kV.
• IP20 frontal protection and Pollution Degree 3 build.
• Reliable operation from −25 to 60 °C.

Technical Specification

• Number of poles: 3
• Pollution degree: 3
• IP degree (frontal): IP20
• Rated insulation voltage Ui (IEC/EN): 690 V
• Rated impulse withstand voltage Uimp: 6 kV
• Terminal tightening torque: 2 to 2.5 Nm
• Ith (IEC): 10 A
• Operating temperature: -25 to 60 °C
• Storage temperature: -50 to 70 °C
• Max altitude: 3000 m
• Weight: 160 g

What’s Included

• Lovato RF380100 thermal overload relay
• Mounting and adjustment instructions
• Protective packaging

Applications

• Three‑phase motor circuits requiring overload protection
• Installations needing phase failure/single‑phase sensitivity
• Control panels built with BF09–BF38 contactors
• Industrial setups within the 0.63…1 A operating range

Safety note: Install and adjust only by qualified personnel. Isolate power before work and follow the applicable standards and manufacturer instructions.