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11B145400380 - 4P CONTACTOR B145.4.00 380/415
MPN: 11B145400380
Alt. SKU: B145400380
Why Choose the 11B145400380?
Engineered for demanding AC‑1 duty, the Lovato B145 four‑pole contactor (SKU 11B145400380) delivers reliable switching with an IEC Ith of 250 A. Its universal AC/DC coil operates at 380…415 VAC/DC, streamlining control wiring across installations. With a rated insulation voltage Ui of 1000 V and impulse withstand Uimp of 8 kV, it provides robust dielectric performance for industrial power distribution and resistive load applications.
Built for longevity and harsh environments, this contactor offers 10,000,000 mechanical cycles and operates from −50 to 70 °C up to 3000 m altitude, Pollution Degree 3. Screw mounting and 18 Nm terminal tightening torque ensure secure connections. Conformity to IEC/EN 60947-1/-4-1 plus UL and CSA standards supports panel compliance and simplifies specification for OEMs and maintainers.
Key Benefits
- High AC‑1 Ith 250 A for heavy-duty resistive load switching
- Universal 380…415 VAC/DC coil simplifies control supply selection
- 1000 V Ui and 8 kV Uimp enhance insulation robustness
- 10,000,000 mechanical cycles reduce downtime and maintenance
- Wide −50 to 70 °C operating range suits harsh environments
- Rated for installations up to 3000 m, Pollution Degree 3
- Screw mounting with 18 Nm terminals ensures secure connections
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: 6330 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 11B145400380
- Integrated AC/DC control coil, 380…415 VAC/DC
- Screw terminal connection interfaces
- Product documentation for installation and safety
Applications
- AC‑1 duty switching of resistive loads up to 250 A
- Power distribution panels requiring four‑pole isolation and control
- Heating elements, ovens and industrial process resistive circuits
- Lighting and building services load control
- OEM and MRO panel building and upgrades
Frequently Asked Questions
What is the AC‑1 operating current rating?
The contactor has an IEC Ith (AC-1) rating of 250 A.
What coil voltage does it use?
It features an AC/DC coil rated for 380…415 VAC/DC.
Which standards does it conform to?
It conforms to IEC/EN 60947-1 and 60947-4-1, UL 60947-1 and 60947-4-1, and CSA C22.2 equivalents.
What are the environmental operating limits?
Operating temperature is −50 to 70 °C, suitable up to 3000 m altitude, Pollution Degree 3.
How is it mounted and what is the terminal torque?
It uses screw mounting, and terminal tightening torque is 18 Nm.
Safety note: Installation must be carried out by qualified personnel. Isolate power before work, tighten terminals to 18 Nm, and operate within the specified voltage, temperature and altitude limits following IEC/EN 60947 guidance and the manufacturer’s instructions.
| Manufacturer Part Number | 11B145400380 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975026007 |
| Alternative Product SKU | B145400380 |
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