Lovato 11B2500048 three-pole industrial contactor with 265 A AC-3 operational current rating and 48 V AC/DC control coil for heavy-duty industrial motor control and power switching applications.
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The Lovato 11B2500048 is a heavy-duty three-pole power contactor engineered for high-power motor control and industrial switching applications. Part of the advanced Lovato B250 contactor series, this model features a 48V AC/DC universal operating coil and is designed to provide reliable switching performance in demanding industrial environments.
Designed for motor control centres, industrial switchboards and OEM machinery, the contactor combines exceptional electrical endurance with robust screw-mounted construction. Its universal AC/DC operating coil simplifies control panel design while ensuring compatibility with a wide range of industrial control systems.
With an IEC AC-3 operational current rating of 265A and an IEC AC-1 thermal current rating of 350A, the 11B2500048 is ideally suited for switching large three-phase motors and demanding industrial loads where dependable long-term operation is essential.
Key Advantages
Heavy-duty 3-pole industrial power contactor.
265A IEC AC-3 motor switching capacity.
350A IEC AC-1 thermal current rating.
48V AC/DC universal operating coil.
High insulation performance with 1000V rated insulation voltage.
Designed for demanding industrial automation and motor control applications.
Key Features
Lovato B250 series contactor.
Three main power poles.
265A IEC AC-3 operational current.
350A IEC AC-1 thermal current.
48V AC/DC operating coil.
Screw terminal / bolt connection.
1000V rated insulation voltage (Ui).
Mechanical life up to 10 million operations.
Technical Specifications
Manufacturer: Lovato Electric
Series: B250 Contactors
Model: 11B2500048
Product type: Three-pole power contactor
Number of poles: 3
IEC operational current (AC-3): 265A
IEC thermal current (AC-1): 350A
Operating coil: 48V AC/DC
Rated insulation voltage (Ui): 1000V
Impulse withstand voltage (Uimp): 8kV
Operating frequency: 25–400Hz
Mounting type: Screw mounting
Protection rating: IP00
Mechanical life: 10,000,000 operations
Electrical life: 1,000,000 operations
Operating temperature: -50°C to +70°C
Maximum installation altitude: 3000m
Weight: Approx. 9.55kg
Reliable High-Power Motor Control
The Lovato B250 series is engineered for reliable switching of high-power three-phase motors and industrial electrical loads. High-quality contacts, excellent insulation characteristics and durable construction ensure dependable performance while reducing maintenance requirements in demanding industrial environments.
Its universal AC/DC operating coil and heavy-duty construction make this contactor ideal for OEM equipment, industrial machinery, power distribution systems and motor control centres requiring reliable long-term performance.
Typical Applications
Motor control centres.
Industrial control panels.
Heavy-duty manufacturing machinery.
Large pumps and compressors.
Material handling equipment.
Industrial power distribution systems.
Technical Specifications
Power
140 kW
Current
350 A
Voltage
48 V
Phase
Three Phase
IP Rating
IP20
Series
B250
Product type
Three-pole industrial contactor
Rated operational current (AC-1 at 400 V)
350 A
Rated operational current (AC-3 at 400 V)
265 A
Rated operational current (AC-4 at 400 V)
92 A
Rated operational power at AC-3, 400 V
140 kW
Control coil voltage
48 V AC/DC
Voltage type for actuating
AC/DC
Rated control supply voltage AC 50/60 Hz
48 V
Rated control supply voltage DC
48 V
Maximum operational voltage
690 V AC
Number of poles
3
Main contacts
3 NO
Type of coil
AC/DC coil
Mounting type
Screw mounting
Main circuit connection
Bolt connection
Protection rating
IP20 terminals
Width
145 mm
Operating temperature
-50 °C to +70 °C
Weight
9550 g
Package dimensions
208 × 148 × 232 mm
EAN
8013975026366
HS Code
85365080
Certifications
CCC, EAC, cULus
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
Frequently Asked Questions
What is the Lovato 11B2500048 used for?
It is designed for switching large three-phase motors and high-current industrial electrical loads in automation and power distribution systems.
What control voltage does this contactor require?
The integrated operating coil accepts 48V AC/DC control voltage.
What is the AC-3 current rating?
The contactor has an IEC AC-3 operational current rating of 265A, making it suitable for demanding motor switching applications.
How many poles does this contactor have?
This model features three main power poles for switching three-phase electrical loads.
Where is this contactor typically installed?
It is commonly installed in motor control centres, industrial switchboards, heavy-duty machinery and OEM automation equipment.
Trusted by Industrial Professionals Worldwide
Lovato Electric B250 contactors are trusted by machine builders, electrical panel manufacturers and industrial engineers for reliable high-current motor switching, robust construction and long operational life.
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Power
140 kW
Current
350 A
Voltage
48 V
Phase
Three Phase
IP Rating
IP20
Series
B250
Product type
Three-pole industrial contactor
Rated operational current (AC-1 at 400 V)
350 A
Rated operational current (AC-3 at 400 V)
265 A
Rated operational current (AC-4 at 400 V)
92 A
Rated operational power at AC-3, 400 V
140 kW
Control coil voltage
48 V AC/DC
Voltage type for actuating
AC/DC
Rated control supply voltage AC 50/60 Hz
48 V
Rated control supply voltage DC
48 V
Maximum operational voltage
690 V AC
Number of poles
3
Main contacts
3 NO
Type of coil
AC/DC coil
Mounting type
Screw mounting
Main circuit connection
Bolt connection
Protection rating
IP20 terminals
Width
145 mm
Operating temperature
-50 °C to +70 °C
Weight
9550 g
Package dimensions
208 × 148 × 232 mm
EAN
8013975026366
HS Code
85365080
Certifications
CCC, EAC, cULus
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
No documents available for this product.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...