RF910 Lovato RF9 overload relay BG mini contactors 6-10 amp 4 kw

Why Choose the 11RF910?

Lovato 11RF910 Thermal Overload Relay safeguards three‑phase motors against overload and phase loss. SKU 11RF910 delivers 3‑pole protection with a 6–10 A adjustable operational current and manual resetting for reliable restart control. It mounts directly on BG06, BG09 and BG12 mini‑contactors, streamlining panel assembly and saving space. Phase failure/single‑phase sensitivity provides dependable motor protection in demanding industrial environments.

Engineered for durability, this motor protection relay features IP20 frontal protection, pollution degree 3 and 690 V rated insulation with 8 kV impulse withstand. Rated Ith 10 A, it operates from −20 to +55 °C up to 3000 m altitude. Conforming to IEC/EN 60947‑1 and 60947‑4‑1, plus UL508 and CSA C22.2 n° 14, it supports secure, consistent performance.

Key Benefits

• Adjustable 6–10 A range for accurate motor overload protection.
• Phase failure/single‑phase sensitive for dependable loss‑of‑phase detection.
• Manual reset enables controlled restarts and simplified troubleshooting.
• Direct mounting on BG06, BG09 and BG12 for fast, compact installation.
• Three‑pole design suited to three‑phase motor applications.
• High insulation ratings: Ui 690 V and Uimp 8 kV.
• Operates −20 to +55 °C; IP20 frontal protection enhances safety.

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: 8 kV
• Terminal tightening torque: 2.3 to 2.3 Nm
• Ith (IEC): 10 A
• Operating temperature: -20 to 55 °C
• Storage temperature: -55 to 70 °C
• Max altitude: 3000 m
• Weight: 116 g

What’s Included

• Lovato 11RF910 thermal overload relay
• Manufacturer datasheet (online access)
• Protective packaging

Applications

• Overload and phase failure protection for three‑phase motor circuits
• Control panels using BG06, BG09 or BG12 mini‑contactors
• Industrial installations requiring manual reset motor protection
• General motor protection within BG series assemblies

Safety note: Install and commission only by qualified personnel; isolate power before work; mount on the specified BG contactors and set the 6–10 A range appropriately, following manufacturer documentation and applicable standards.