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11B145L0048C48 - 3P CONTACTOR 48V C/W LATCH 48VDC
MPN: 11B145L0048C48
Alt. SKU: B145L0048C48
Why Choose the 11B145L0048C48?
Built for reliable power switching, the Lovato B145 three-pole contactor (SKU 11B145L0048C48) features a 48VAC/DC coil and a pre-fitted mechanical latch G495. With AC3 operating current of 150 A, rated insulation voltage Ui 1000 V and impulse withstand Uimp 8 kV, it handles demanding motor loads. Screw mounting and a compact, 3-pole design simplify installation in industrial control panels.
Engineered for harsh environments, it offers Ith 250 A, mechanical life of 10,000,000 cycles, and dependable performance from -50 to 70 °C (storage -60 to 80 °C). Rated to Pollution Degree 3 and operation up to 3000 m, with 18 Nm terminal tightening torque. Conformity includes IEC/EN 60947-1/-4-1 plus UL and CSA equivalents, supporting global panel standards.
Key Benefits
- AC3 150 A rating for heavy-duty three-phase motor switching.
- 48VAC/DC coil simplifies stocking and control voltage compatibility.
- Pre-fitted G495 mechanical latch for maintained contact when required.
- High dielectric strength: Ui 1000 V and Uimp 8 kV.
- Long mechanical life of 10,000,000 operations reduces downtime.
- Wide operating temperature range -50 to 70 °C for tough sites.
- Screw mounting and 3-pole layout ease panel integration.
Technical Specification
- Product type designation: B145
- Number of poles: 3
- Rated insulation voltage Ui (IEC/EN): 1000 V
- Rated impulse withstand voltage Uimp: 8 kV
- Ith (IEC): 250 A
- Terminal tightening torque: 18 to 18 Nm
- Weight: 6100 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 B145 3-pole contactor, SKU 11B145L0048C48
- Integrated 48VAC/DC coil and pre-fitted G495 mechanical latch
- Screw terminals ready for wiring
- Installation and safety information
Applications
- Three-phase motor starters and feeders
- Industrial automation control panels
- Power switching for manufacturing and process equipment
- HVAC, pumping and compressor systems
- OEM machinery and panel building
Frequently Asked Questions
What is the coil voltage and type?
The coil is 48 VAC/DC, suitable for either AC or DC control supplies.
Does this contactor include a mechanical latch?
Yes, it is supplied pre-fitted with the G495 mechanical latch for maintained operation.
What are the key current ratings?
AC3 operating current is 150 A; Ith (thermal) is 250 A per IEC.
What standards does it conform to?
It conforms to IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents.
What are the environmental operating limits?
Operating temperature is -50 to 70 °C, with operation up to 3000 m altitude.
Safety note: Installation and commissioning must be performed by qualified personnel. Isolate power, follow IEC/EN 60947 guidance, and tighten terminals to 18 Nm before energising.
| Manufacturer Part Number | 11B145L0048C48 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975060988 |
| Alternative Product SKU | B145L0048C48 |
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