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11B145400220 - 4P CONTACTOR B145.4.00 220/240
MPN: 11B145400220
Alt. SKU: B145400220
Why Choose the 11B145400220?
Engineered for demanding switching duties, the Lovato B145 four-pole contactor delivers robust performance with an AC1 Ith of 250 A and a universal 220–240 VAC/DC coil. Rated Ui 1000 V with 8 kV impulse withstand, it offers reliable isolation and endurance. The 11B145400220 variant features screw mounting and terminals, supporting secure installations across panels and cabinets.
Built for longevity, this contactor achieves 10,000,000 mechanical cycles and operates from −50 to 70 °C, with storage to −60 to 80 °C and installation up to 3000 m altitude. Conforms to IEC/EN 60947‑1 and 60947‑4‑1, with UL and CSA equivalents, and is designated for Pollution Degree 3 environments. Weight 6300 g; terminal tightening torque 18 Nm.
Key Benefits
- Universal 220–240 VAC/DC coil simplifies control circuit design.
- High AC1 Ith 250 A for heavy-duty switching.
- Rated Ui 1000 V and Uimp 8 kV for insulation robustness.
- Ten million mechanical cycles for long service life.
- Wide −50 to 70 °C operating temperature range.
- Screw mounting and terminals enable secure, straightforward installation.
- Certified to IEC/EN, UL and CSA standards for compliance.
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: 6300 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 11B145400220
- Integrated 220–240 VAC/DC coil
- Screw terminal connections
- Manufacturer datasheet (PDF)
Applications
- Motor starters and power switching in industrial panels
- Resistive load control in AC1 duty applications
- Heating, ventilation and pumping systems control
- Power distribution and isolation within machinery
- Automation systems requiring four-pole contactors
Frequently Asked Questions
What coil voltage does the Lovato B145 contactor (SKU 11B145400220) use?
The integrated AC/DC coil is rated for 220–240 VAC/DC.
What is the contactor’s rated thermal current (Ith) and duty?
It has an IEC Ith of 250 A in utilisation category AC1.
Which standards and approvals does it meet?
It conforms to IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents (60947-1 and 60947-4-1).
What environmental limits apply for operation and installation?
Operating −50 to 70 °C, storage −60 to 80 °C, up to 3000 m altitude, Pollution Degree 3.
How durable is it and how is it installed?
Mechanical life is 10,000,000 cycles; it mounts with screw fixing and terminals tightened to 18 Nm.
Safety note: Installation and maintenance must be performed by qualified personnel. Isolate all power, verify 220–240 VAC/DC coil supply, follow IEC/EN 60947 practices, apply the specified 18 Nm terminal torque, and observe temperature and altitude limits.
| Manufacturer Part Number | 11B145400220 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975025987 |
| Alternative Product SKU | B145400220 |
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