11B1250424220 - 4P CONTACTOR B1250.4.24 220/ 240VAC

Why Choose the 11B1250424220?

Engineered for high-capacity AC‑1 duties, the Lovato B1250 four‑pole contactor (SKU 11B1250424220) delivers dependable switching with an AC coil rated 220–240VAC, 50/60Hz. It provides a hefty 1250 A Ith and robust insulation performance to IEC/EN 60947, with built‑in 2NO+4NC auxiliary contacts and secure screw mounting for straightforward panel integration.

Designed for longevity and resilience, the B1250 offers Ui 690 V and Uimp 8 kV, a mechanical life of 5,000,000 cycles, and reliable operation from −50 to +60 °C. Terminals accept a tightening torque of 35 Nm, and the device is suitable up to 3000 m altitude, pollution degree 3. Compliance includes IEC/EN, UL and CSA standards.

Key Benefits

• AC‑1 Ith 1250 A capacity for high-current switching.
• AC coil 220–240 VAC, 50/60 Hz control compatibility.
• Four-pole design with built-in 2NO+4NC auxiliaries.
• Ui 690 V and Uimp 8 kV enhance insulation robustness.
• Long mechanical life: 5,000,000 cycles for reliable service.
• Operates −50 to +60 °C; suitable to 3000 m altitude.
• Screw mounting and 35 Nm terminal torque ensure secure installation.
• Complies with IEC/EN, UL and CSA standards.

Technical Specification

• Product type designation: B1250
• Number of poles: 4
• Rated insulation voltage Ui (IEC/EN): 690 V
• Rated impulse withstand voltage Uimp: 8 kV
• Ith (IEC): 1250 A
• Terminal tightening torque: 35 to 35 Nm
• Weight: 5750 g
• Mechanical life: 5000000 cycles
• Operating temperature: -50 to 60 °C
• Storage temperature: -60 to 80 °C
• Max altitude: 3000 m
• Pollution degree: 3

What’s Included

• Lovato B1250 four‑pole contactor, SKU 11B1250424220.
• Factory‑fitted AC coil, 220–240 VAC 50/60 Hz.
• Integrated 2NO+4NC auxiliary contacts.
• Downloadable manufacturer datasheet.

Applications

• AC‑1 switching applications up to 1250 A.
• Control systems requiring a 220–240 VAC coil supply.
• Panels needing IEC/EN 60947 compliant four‑pole contactors.
• Installations at altitudes up to 3000 m, pollution degree 3.
• Environments demanding wide operating temperature performance.

Safety note: Install and commission only by qualified personnel. Isolate power before work, verify 220–240 VAC coil supply, tighten terminals to 35 Nm, and operate within stated temperature, altitude and pollution degree limits.