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11B3100048 - 3P CONTACTOR B310.00 48V
MPN: 11B3100048
Alt. SKU: B3100048
This product is discontinued.
Please view this replacement item.
Why Choose the 11B3100048?
Engineered for high-power motor control, the Lovato B310 three‑pole contactor (SKU 11B3100048) delivers 320 A AC3 at 400 V, equivalent to 170 kW. Its 48 VAC/DC coil offers flexible control compatibility, while screw mounting streamlines installation. With Ui 1000 V and Uimp 8 kV insulation performance, it’s a robust choice for demanding industrial switching duties.
Built for longevity and resilience, this contactor features a mechanical life of 10,000,000 cycles and an Ith (AC1) of 450 A. It operates from −50 to +70 °C, up to 3000 m altitude, and in pollution degree 3 environments. Terminals secure at 35 Nm torque, ensuring reliable connections across tough applications.
Key Benefits
- 320 A AC3 at 400 V supports up to 170 kW motors.
- 48 VAC/DC universal coil simplifies control panel integration.
- Rated insulation Ui 1000 V; impulse withstand Uimp 8 kV.
- Operates from −50 to +70 °C for harsh environments.
- Mechanical life up to 10,000,000 cycles reduces maintenance downtime.
- Screw mounting and 35 Nm terminal torque ensure secure connections.
- Ith 450 A capacity supports demanding AC1 applications.
- Complies with IEC/EN, UL, and CSA product standards.
Technical Specification
- Product type designation: B310
- Number of poles: 3
- Rated insulation voltage Ui (IEC/EN): 1000 V
- Rated impulse withstand voltage Uimp: 8 kV
- Ith (IEC): 450 A
- Terminal tightening torque: 35 to 35 Nm
- Weight: 9490 g
- Mechanical life: 10000000 cycles
- Operating temperature: -50 to 70 °C
- Storage temperature: -60 to 80 °C
- Max altitude: 3000 m
- Pollution degree: 3
What’s Included
- Lovato B310 three-pole contactor, SKU 11B3100048
- Integrated 48 VAC/DC coil
- Installation and safety leaflet
Applications
- High‑power motor starters up to 170 kW at 400 V (AC3)
- Heavy‑duty pumps, compressors, conveyors and industrial drives
- Power switching in distribution panels and control cabinets
- HVAC and process equipment requiring reliable three‑pole switching
- Crane, hoist and materials‑handling machinery control
Frequently Asked Questions
What is the AC3 current and power rating at 400 V?
It is rated 320 A AC3 at 400 V, corresponding to 170 kW motors.
What coil voltage does this contactor use?
It has an AC/DC coil rated at 48 V for control circuits.
What is the operating temperature range?
The specified operating range is −50 to +70 °C.
How is it mounted and what terminal torque is required?
It mounts with screws, and the terminal tightening torque is 35 Nm.
Which safety and performance standards does it meet?
It conforms to IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents.
Safety note: Installation and servicing must be performed by qualified personnel. Isolate all power supplies, verify absence of voltage, and follow the manufacturer’s instructions and applicable standards before work.
| Manufacturer Part Number | 11B3100048 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975061046 |
| Alternative Product SKU | B3100048 |
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