11B14540024 - 4P CONTACTOR B145.4.00 24V

Why Choose the 11B14540024?

The Lovato B145 four-pole contactor, SKU 11B14540024, delivers dependable AC-1 switching with an Ith of 250 A and a versatile 24 VAC/DC coil. Built for demanding panels, it features screw mounting and robust electrical ratings including Ui 1000 V and Uimp 8 kV. Its compact, industrial build is backed by Lovato’s quality and suitability for UK and global standards-driven applications.

Engineered for longevity, the B145 offers a mechanical life of 10,000,000 cycles and reliable operation from -50 to 70 °C, with storage from -60 to 80 °C. Rated for installations up to 3000 m and pollution degree 3, it supports a terminal tightening torque of 18 Nm. Conformity includes IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents.

Key Benefits

• AC-1 Ith 250 A for high-capacity resistive load switching.
• Versatile 24 VAC/DC coil simplifies control supply integration.
• Ui 1000 V and Uimp 8 kV provide strong insulation and surge withstand.
• Operates from -50 to 70 °C for harsh ambient conditions.
• Mechanical life of 10,000,000 cycles reduces downtime.
• Screw mounting ensures secure, straightforward installation.
• Suitable up to 3000 m, pollution degree 3 environments.
• Conforms to IEC/EN 60947; UL and CSA standards listed.

Technical Specification

• Product type designation: B145
• Number of poles: 4
• 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: 6400 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 four-pole contactor, 24 VAC/DC coil (SKU 11B14540024).
• Manufacturer datasheet (downloadable via product page).
• Standard manufacturer packaging.

Applications

• AC-1 resistive load switching up to 250 A.
• Four-pole power switching in industrial control and distribution panels.
• Installations requiring 24 VAC/DC control circuits.
• Sites up to 3000 m altitude and pollution degree 3 environments.
• Projects needing conformity to IEC/EN 60947-1 and 60947-4-1.

Safety note: Install and commission only by qualified personnel. Isolate all power sources before wiring or maintenance, and follow the manufacturer’s instructions and applicable IEC/EN standards.