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RF933 Lovato RF9 overload relay for bg contactors 2-3.3 amp 1.1 kw
MPN: 11RF933
Alt. SKU: RF933
Special Price
£41.47
£34.56
Regular Price
£69.12
Why Choose the 11RF933?
Lovato 11RF933 thermal overload relay delivers reliable motor protection with phase failure/single-phase sensitivity. Designed for three-phase applications, this three-pole device covers a 2.0...3.3 A setting range and features manual resetting for controlled restarts. It mounts directly on BG06, BG09 and BG12 mini-contactors, simplifying assembly in compact motor starters. The 11RF933 helps safeguard motors against overloads and unbalanced phases.
Built for dependable performance, it offers IP20 frontal protection, Ui 690 V and Uimp 8 kV, with Ith 10 A. Operates from -20 to 55 °C and stores from -55 to 70 °C, up to 3000 m altitude, Pollution degree 3. Conforms to IEC/EN 60947-1 and IEC/EN 60947-4-1, plus UL508 and CSA C22.2 n° 14.
Key Benefits
- Phase failure/single-phase sensitivity enhances protection for three-phase motors.
- Adjustable 2.0...3.3 A setting for the required motor current.
- Manual reset enables controlled restart after overload trips.
- Direct mounting on BG06, BG09, BG12 for straightforward assembly.
- Three-pole design suited to three-phase motor circuits.
- IP20 frontal protection and Ui 690 V capability.
- Operates -20 to 55 °C; Pollution degree 3, up to 3000 m.
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 11RF933 thermal overload relay
- Installation and safety instructions
- Manufacturer datasheet (downloadable)
Applications
- Overload and phase-failure protection for three-phase motors
- Motor starters built with Lovato BG06, BG09 or BG12 mini-contactors
- Control panels requiring adjustable 2.0...3.3 A motor protection
- Installations requiring manual reset after an overload trip
Frequently Asked Questions
What current range does the 11RF933 cover?
It is adjustable from 2.0...3.3 A to match the motor current.
Which contactors can it mount to directly?
It mounts directly on BG06, BG09 and BG12 mini-contactors.
What reset mode does it use?
It uses manual resetting for controlled restarts after a trip.
Does it provide phase-failure protection?
Yes. It is phase failure/single-phase sensitive to detect unbalanced phases.
What standards does it comply with?
It conforms to IEC/EN 60947-1 and IEC/EN 60947-4-1, plus UL508 and CSA C22.2 n° 14.
Safety note: Installation and setting should be performed by qualified personnel. Isolate power before work, verify motor current settings, and follow all applicable standards and instructions.
| Manufacturer Part Number | 11RF933 |
|---|---|
| KW Rating | 1.1kW |
| Amp Range | 2A - 3.3A |
| HS Code | 85364900 |
| Manufacturer | Lovato |
| Alternative Product SKU | RF933 |
| Barcode | 8013975020203 |
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