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11B145SL0048 – 3P CONTACTOR 48V W/O LATCH
Lovato 11B145SL0048 heavy-duty three-pole industrial contactor with 150 A AC-3 rating, 48 V AC/DC control coil and compatibility with optional G495 mechanical latch module for industrial motor control and power switching applications.
Why Choose the Lovato 11B145SL0048 Power Contactor?
The Lovato 11B145SL0048 is a robust three-pole power contactor engineered for reliable switching of high-power three-phase motors and industrial electrical loads. As part of the dependable Lovato B145 contactor series, it delivers outstanding performance for demanding industrial automation, motor control and power distribution applications.
Featuring a 48V AC/DC universal control coil and compatibility with the optional G495 mechanical latch, this contactor provides exceptional installation flexibility for OEM machine builders, panel manufacturers and maintenance engineers. Its heavy-duty design offers long mechanical and electrical life, ensuring reliable operation in challenging industrial environments.
With an IEC AC-3 operational current of 150A and the capability to control motors up to 80kW at 400V AC, the 11B145SL0048 is ideally suited for compressors, conveyors, pumps, HVAC systems and large industrial machinery.
Key Advantages
- Heavy-duty three-pole industrial power contactor.
- 150A IEC AC-3 operational current for demanding motor applications.
- 48V AC/DC universal control coil.
- Compatible with optional G495 mechanical latch.
- Long mechanical and electrical service life.
- Ideal for industrial automation, OEM machinery and motor control panels.
Key Features
- Lovato B145 series power contactor.
- 3 main poles.
- 150A IEC AC-3 rated operational current.
- 250A AC-1 rated operational current.
- 80kW motor rating at 400V AC-3.
- 48V AC/DC control coil.
- Prepared for optional G495 mechanical latch.
- Screw mounting with heavy-duty power terminals.
Reliable Motor Control for Industrial Applications
The Lovato 11B145SL0048 is designed to provide dependable switching of high-current three-phase motors and industrial electrical loads. Its rugged construction and high-quality contact system help maximise equipment uptime while reducing maintenance requirements in demanding production environments.
The universal 48V AC/DC control coil simplifies integration into industrial control systems while optional mechanical latching capability provides additional flexibility for specialist switching applications.
Typical Applications
- Industrial motor starters.
- Pumps and water treatment plants.
- Compressors and HVAC equipment.
- Material handling and conveyor systems.
- Manufacturing machinery.
- OEM control panels and automation systems.
Technical Specifications
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| Coil Type | AC, AC/DC, DC | |
|---|---|---|
| Coil Voltage Range | 42–48 V | |
| Power | 80 kW | |
| Current | 150 A | |
| Voltage | 48 V | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Contactor | |
| Current AC-1 | 250 A | |
| Series | B145 | |
| Product type | Three-pole industrial contactor | |
| Number of poles | 3 | |
| Main contacts | 3 NO | |
| Rated thermal current (AC-1) | 250 A | |
| Rated operational current (AC-3 at 400 V) | 150 A | |
| Rated operational current (AC-4 at 400 V) | 57 A | |
| Rated motor power at 400 V AC-3 | 80 kW | |
| Maximum operational voltage | 690 V AC | |
| Rated insulation voltage (Ui) | 1000 V | |
| Impulse withstand voltage (Uimp) | 8 kV | |
| Control coil voltage | 48 V AC/DC | |
| Coil type | Universal AC/DC electronic coil | |
| Mechanical latch compatibility | Predisposed for G495 mechanical latch | |
| Mounting type | Screw mounting | |
| Terminal protection | IP20 | |
| Weight | Approx. 5.32 kg | |
| Package dimensions | Approx. 173 × 124 × 194 mm | |
| EAN | 8013975047989 | |
| Operating temperature | -50 °C to +70 °C | |
| Storage temperature | -60 °C to +80 °C | |
| Maximum altitude | 3000 m | |
| Pollution degree | 3 | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 No. 60947-1, CSA C22.2 No. 60947-4-1 | |
| Approvals | cULus, EAC, CCC, UKCA, LOVAG |
Frequently Asked Questions
What is the Lovato 11B145SL0048 used for?
It is a heavy-duty three-pole power contactor designed for switching large three-phase motors and industrial electrical loads.
What control voltage does this contactor require?
The contactor features a 48V AC/DC universal control coil.
What is the AC-3 current rating?
The contactor has an IEC AC-3 operational current rating of 150A.
What size motors can it control?
It is suitable for controlling three-phase motors up to 80kW at 400V AC-3.
Can a mechanical latch be fitted?
Yes. The 11B145SL0048 is prepared for the optional Lovato G495 mechanical latch accessory.
Trusted by Industrial Engineers Worldwide
Lovato Electric B145 contactors are widely trusted by machine builders, panel manufacturers and industrial maintenance professionals for reliable motor switching, long service life and dependable industrial performance.
