RF380650 Lovato RF38 overload relay 4-6.5 amp dol 2.2kw star/delta at 4kw

Why Choose the RF380650?

Engineered for reliable motor protection, the Lovato RF380650 thermal overload relay safeguards three‑phase applications with phase failure/single‑phase sensitivity. Covering 4...6.5 A settings and offering manual or automatic resetting, SKU RF380650 mounts directly onto BF09 to BF38 contactors for a compact, integrated solution. Its three‑pole design simplifies installation in control panels where dependable overload protection is essential.

Built to recognised standards, this relay provides IP20 frontal protection, Ui 690 V insulation and 6 kV impulse withstand. With an operating range from -25 to 60 °C and Pollution Degree 3, it suits varied industrial environments up to 3000 m altitude. Practical details include 2 to 2.5 Nm terminal torque and a lightweight 160 g build for straightforward panel integration.

Key Benefits

• Phase failure/single‑phase sensitive protection for motor safety.
• Adjustable 4...6.5 A range to match motor full‑load current.
• Manual or automatic reset modes to suit operational preferences.
• Direct mounting on BF09...BF38 contactors saves panel space.
• Three‑pole construction for three‑phase circuit coverage.
• Ui 690 V, IP20 frontal and 6 kV impulse withstand.
• Compliant with IEC/EN 60947, UL508 and CSA standards.

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 RF380650 thermal overload relay (4...6.5 A)
• Manufacturer installation and product information

Applications

• Overload protection for three‑phase motor circuits
• Direct‑mount installations with BF09...BF38 contactors
• Industrial control panels and automation equipment
• Systems requiring phase failure/single‑phase sensitivity

Safety note: Install and commission only by qualified personnel. Isolate power before wiring, set the current accurately, and tighten terminals to 2 to 2.5 Nm in accordance with the manufacturer’s instructions and applicable standards.