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11B14500440 - 3P CONTACTOR B145.00 440/480V
MPN: 11B14500440
Alt. SKU: B14500440
Why Choose the 11B14500440?
Built for demanding motor control, the Lovato B145 three-pole contactor (SKU 11B14500440) delivers reliable switching at 150 A AC3 with an AC/DC control coil rated 440–480 V. With a rated insulation voltage Ui of 1000 V and an impulse withstand Uimp of 8 kV, it offers robust performance and safety in industrial panels and machinery.
Engineered for longevity and harsh conditions, it features mechanical life up to 10,000,000 cycles and reliable operation from -50 to 70°C, up to 3000 m altitude, Pollution Degree 3. Screw mounting with 18 to 18 Nm terminal tightening torque simplifies installation. Conforms to IEC/EN 60947-1/-4-1, UL and CSA standards, and carries a Sustainability certification.
Key Benefits
- 150 A AC3 rating ensures reliable switching of motor loads.
- AC/DC control coil operates at 440-480 V for versatile control.
- High dielectric strength: Ui 1000 V and Uimp 8 kV.
- Rugged mechanical life up to 10,000,000 cycles.
- Wide operating temperature range from -50 to 70°C.
- Screw mounting with 18 to 18 Nm terminal tightening torque.
- Certified to IEC/EN, UL and CSA standards for global compliance.
Technical Specification
- Product type designation: B145
- Number of poles: 3
- 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: 5380 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 three-pole contactor (SKU 11B14500440)
- Pre-fitted AC/DC control coil, 440-480 V
- Screw terminal interfaces for panel mounting
Applications
- AC3 motor control up to 150 A
- Industrial machinery panels requiring robust contactors
- Power switching in environments from -50 to 70°C
- Installations up to 3000 m altitude, Pollution Degree 3
- Systems needing IEC/EN, UL and CSA compliant components
Frequently Asked Questions
What is the AC3 current rating of this contactor?
It is rated at 150 A Ie (AC3) under IEC conditions.
Does the coil work with both AC and DC supplies?
Yes, it has an AC/DC control coil rated for 440-480 V operation.
How many poles does it have and how is it mounted?
It is a 3-pole device with screw mounting; terminal torque is 18 to 18 Nm.
What are the environmental operating limits?
Operating temperature is -50 to 70°C, with use up to 3000 m altitude and Pollution Degree 3.
Which standards does SKU 11B14500440 conform to?
It complies with IEC/EN 60947-1 and 60947-4-1, UL 60947-1 and 60947-4-1, and CSA C22.2 60947-1 and 60947-4-1.
Safety note: Installation must be performed by qualified personnel. Isolate power before work, tighten terminals to the specified 18 to 18 Nm, and operate within the stated temperature, altitude and pollution degree limits.
| Manufacturer Part Number | 11B14500440 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975025895 |
| Alternative Product SKU | B14500440 |
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