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11B145400110 - 4P CONTACTOR B145.4.00 110/125
MPN: 11B145400110
Alt. SKU: B145400110
Why Choose the 11B145400110?
Lovato B145 four-pole contactor (SKU 11B145400110) delivers reliable switching for industrial control and power distribution. With an IEC AC-1 Ith of 250 A and an AC/DC coil rated 110...125 VAC/DC, it suits a wide range of control voltages. The device offers a rated insulation voltage Ui of 1000 V and an 8 kV impulse withstand (Uimp), with secure screw mounting for straightforward panel integration.
Engineered for demanding environments, this contactor operates from -50 to 70 °C and stores from -60 to 80 °C, with performance up to 3000 m altitude, pollution degree 3. It achieves a mechanical life of 10,000,000 cycles and weighs 6340 g. Conformity includes IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents, supporting consistent specification across global installations.
Key Benefits
- 250 A IEC AC-1 rating enables heavy-duty resistive load switching.
- AC/DC coil rated 110...125 VAC/DC for flexible control voltages.
- Four-pole configuration provides versatile multi-circuit switching capability.
- Ui 1000 V rated insulation supports high dielectric strength.
- Uimp 8 kV withstand enhances protection against switching transients.
- Wide operating temperature -50 to 70 °C suits harsh environments.
- Mechanical life up to 10,000,000 cycles reduces maintenance frequency.
- Conforms to IEC/EN, UL, and CSA standards for assured 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: 6340 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 11B145400110).
- Integrated AC/DC coil rated 110...125 VAC/DC.
- Manufacturer product documentation (datasheet available online).
Applications
- Switching AC-1 resistive loads up to 250 A.
- Industrial control panels and power distribution assemblies.
- Multi-circuit control using a robust four-pole contactor.
- Installations requiring wide temperature and high dielectric margins.
- Projects needing components compliant with IEC/EN, UL, and CSA.
Frequently Asked Questions
What coil voltage and type does this contactor use?
It has an AC/DC coil rated 110...125 VAC/DC. This supports either AC or DC control supplies.
What is the rated operating current?
The IEC AC-1 operating current (Ith) is 250 A. Check your application against the datasheet ratings.
Which standards does the product conform to?
It conforms to IEC/EN 60947-1 and 60947-4-1, UL 60947-1 and UL 60947-4-1, and CSA C22.2 n° 60947-1 and 60947-4-1.
What environmental limits should I observe?
Operating temperature is -50 to 70 °C and storage is -60 to 80 °C. Maximum altitude is 3000 m with pollution degree 3.
How is it mounted and what is the terminal torque?
It is designed for screw mounting. Terminal tightening torque is 18 to 18 Nm.
Safety note: Install and commission only by qualified personnel. Isolate all power sources before work, apply the specified terminal torque (18 to 18 Nm), and observe the environmental and standards ratings from the datasheet.
| Manufacturer Part Number | 11B145400110 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975025956 |
| Alternative Product SKU | B145400110 |
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