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11B1250424110 - 4P CONTACTOR B1250.4.24 110/ 125VAC
MPN: 11B1250424110
Alt. SKU: B1250424110
Why Choose the 11B1250424110?
Designed for high‑current switching, the Lovato B1250 four‑pole contactor (SKU 11B1250424110) delivers an IEC AC‑1 Ith of 1250 A with an AC coil operating at 110–125 VAC, 50/60 Hz. Rated insulation voltage is 690 V with 8 kV impulse withstand, and screw mounting ensures secure installation. Integrated 2NO+4NC auxiliary contacts provide versatile control and signalling options in demanding industrial power distribution and control applications.
Built for endurance and reliability, this contactor offers a mechanical life of 5,000,000 cycles and operates from −50 to 60 °C, up to 3000 m altitude, Pollution Degree 3. It conforms to IEC/EN 60947-1 and 60947-4-1, UL and CSA standards, and specifies 35 Nm terminal tightening torque. A 5750 g construction supports rugged use while maintaining consistent performance across a wide range of industrial environments.
Key Benefits
- High 1250 A AC‑1 Ith for heavy-duty power switching.
- Four‑pole configuration for versatile circuit arrangements.
- AC coil 50/60 Hz with 110–125 VAC operating range.
- Rated insulation 690 V and 8 kV impulse withstand.
- Mechanical life of 5,000,000 cycles for long service.
- Built‑in 2NO+4NC auxiliaries for control and signalling.
- Wide −50 to 60 °C operating temperature; altitude to 3000 m.
- Screw terminals with 35 Nm tightening torque for secure connections.
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 11B1250424110
- Integrated AC coil 50/60 Hz, 110–125 VAC
- Built‑in auxiliary contacts: 2NO + 4NC
- Manufacturer datasheet (downloadable)
Applications
- AC‑1 load switching up to 1250 A
- Industrial control panels and power distribution assemblies
- Switchboards, busbar systems and mains isolation
- Control and signalling via integrated auxiliary contacts
Frequently Asked Questions
What is the IEC operating current Ith (AC1)?
The contactor provides an IEC AC‑1 Ith of 1250 A.
What coil type and voltage does it use?
It has an AC coil for 50/60 Hz with a 110–125 VAC operating range.
How many poles and auxiliary contacts are provided?
It is a four‑pole contactor with built‑in 2NO + 4NC auxiliary contacts.
Which standards does this contactor conform to?
IEC/EN 60947‑1, IEC/EN 60947‑4‑1, UL 60947‑1/‑4‑1, and CSA C22.2 n° 60947‑1/‑4‑1.
What are the environmental operating limits?
Operating temperature is −50 to 60 °C, up to 3000 m altitude, Pollution Degree 3.
Safety note: Install and commission only by qualified personnel. Isolate all power before work, tighten terminals to 35 Nm, and operate within the stated electrical and environmental ratings per IEC/EN 60947.
| Manufacturer Part Number | 11B1250424110 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975075135 |
| Alternative Product SKU | B1250424110 |
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