11B1454L0048C48 - 4P CONTACTOR 48V C/W LATCH 48VDC

Why Choose the 11B1454L0048C48?

The Lovato B145 four‑pole contactor, SKU 11B1454L0048C48, delivers dependable AC1 switching at 250 A with a versatile 48 VAC/DC coil. Supplied with a pre‑fitted mechanical latch (G495), it enables straightforward latching operation. Rated Ui 1000 V with 8 kV impulse withstand, this contactor integrates cleanly via screw mounting and provides robust performance for multi‑circuit power switching where reliable, standards‑compliant operation is essential.

Engineered for longevity, the B145 offers a mechanical life of 10,000,000 cycles and specified terminal tightening torque of 18 Nm. It operates from -50 to 70 °C and can be installed up to 3000 m altitude, pollution degree 3. With compliance to IEC/EN 60947-1 and 60947-4-1, plus UL and CSA standards, this 9400 g unit suits demanding, specification‑led installations.

Key Benefits

• AC1 Ith 250 A for high-capacity resistive load switching.
• Four-pole configuration enhances circuit design flexibility.
• 48 VAC/DC coil simplifies control voltage selection.
• Pre-fitted mechanical latch (G495) for latching operation.
• Ui 1000 V and Uimp 8 kV insulation performance.
• Wide -50 to 70 °C operating temperature range.
• Mechanical life rated at 10,000,000 operating cycles.
• Suitable for installations up to 3000 m altitude.

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: 9400 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, SKU 11B1454L0048C48
• Pre-fitted mechanical latch G495
• Integrated 48 VAC/DC coil

Applications

• Resistive load switching at AC1 Ith 250 A
• Power distribution and industrial control panels
• Multi-circuit power switching and isolation
• Systems using latching operation via mechanical latch

Safety note: Install and maintain only by qualified personnel. Isolate all power sources, follow IEC/EN 60947 requirements, and apply the specified terminal torque before commissioning.