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11B50000110 Lovato b series 3 pole maxi contactor 520A 290kW 700A 110VAC/DC
MPN: 11B50000110
Alt. SKU: B50000110
Why Choose the 11B50000110?
Engineered for demanding motor control, the Lovato B500 three-pole contactor (SKU 11B50000110) delivers exceptional performance in AC-3 duty. Rated 520 A at 400 V (290 kW) with an AC/DC coil spanning 110...125 VAC/DC, it offers reliable switching for high-power three-phase loads. Screw mounting and robust terminals streamline installation, while its industrial build integrates seamlessly into switchboards, MCCs and automation panels across heavy-duty applications.
Designed for durability, this contactor features Ui 1000 V and 8 kV impulse withstand, a mechanical life of 5,000,000 cycles, and an operating range from -50 to 70 °C. With AC1 700 A, pollution degree 3 and operation up to 3000 m altitude, it meets IEC/EN 60947-1 and 60947-4-1, UL and CSA standards. A 35 Nm terminal tightening torque ensures secure connections in critical installations.
Key Benefits
- AC-3 520 A at 400 V for high-power motor loads.
- AC/DC coil spans 110...125 VAC/DC for flexible control voltage.
- High AC1 rating of 700 A for resistive loads.
- Ui 1000 V and 8 kV impulse withstand enhance insulation strength.
- Wide -50 to 70 °C operating temperature for harsh environments.
- Mechanical life rated to 5,000,000 cycles for long service.
- Screw mounting and 35 Nm terminals for secure, simple installation.
- Conforms to IEC/EN, UL and CSA standards for global acceptance.
Technical Specification
- Product type designation: B500
- Number of poles: 3
- Rated insulation voltage Ui (IEC/EN): 1000 V
- Rated impulse withstand voltage Uimp: 8 kV
- Ith (IEC): 700 A
- Terminal tightening torque: 35 to 35 Nm
- Weight: 1806 g
- Mechanical life: 5000000 cycles
- Operating temperature: -50 to 70 °C
- Storage temperature: -60 to 80 °C
- Max altitude: 3000 m
- Pollution degree: 3
What’s Included
- Lovato B500 three-pole contactor (SKU 11B50000110)
- Installation and safety instructions
- Manufacturer data sheet (downloadable)
- Original manufacturer packaging
Applications
- High-power three-phase motor control up to 290 kW at 400 V
- Pumps, compressors, fans and HVAC drives in industrial plants
- Conveyors, crushers and heavy processing lines requiring AC-3 duty
- Switchboards, MCCs and distribution panels with screw-mounted contactors
- Cold-climate and harsh environments within -50 to 70 °C ratings
Frequently Asked Questions
What is the coil voltage range?
What are the AC-3 ratings at 400 V?
What standards does it comply with?
What are the operating temperature limits?
How is it mounted and what's the terminal torque?
Safety note: Installation and maintenance must be performed by qualified personnel. Isolate power before work, follow IEC/EN and local regulations, and tighten terminals to 35 Nm within specified operating conditions.
| Manufacturer Part Number | 11B50000110 |
|---|---|
| HS Code | 85365080 |
| Manufacturer | Lovato |
| Alternative Product SKU | B50000110 |
| KW Rating | 290kW |
| Number of Poles | 3 Pole |
| AC3 Amperage | 520A |
| AC1 Amperage | 700A |
| Barcode | 8013975026786 |