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11B1450048 - 3P CONTACTOR B145.00 48V
MPN: 11B1450048
Alt. SKU: B1450048
Why Choose the 11B1450048?
Engineered for heavy-duty control, the Lovato B145 three-pole contactor (SKU 11B1450048) delivers AC-3 Ie 150 A performance with a universal 48 VAC/DC coil. Rated Ui 1000 V and Uimp 8 kV, it ensures reliable insulation and switching in industrial panels. Screw mounting and robust construction support secure installation, while the 3-pole configuration suits three-phase loads across machinery and power control applications.
Built for endurance, this contactor offers Ith 250 A and a mechanical life of 10,000,000 cycles for long service intervals. It operates from -50 to 70 °C, stores from -60 to 80 °C, and is suitable up to 3000 m, pollution degree 3. Conformity includes IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents, supporting global panel compliance.
Key Benefits
- AC-3 operating current Ie 150 A for demanding motor control.
- Universal 48 VAC/DC coil simplifies stock and control wiring.
- Three-pole design for dependable three-phase switching.
- High Ui 1000 V and Uimp 8 kV insulation strength.
- Robust Ith 250 A for thermal withstand capability.
- 10,000,000 mechanical cycles for exceptional durability.
- Wide -50 to 70 °C operating temperature range.
- Screw mounting and 18 Nm terminal tightening for secure connections.
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: 5430 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, 48 VAC/DC coil (SKU 11B1450048)
- Manufacturer datasheet and compliance information
Applications
- Switching three-phase motors under AC-3 duty within rated limits
- Controlling resistive or inductive loads within specified ratings
- Industrial control panels requiring IEC/EN, UL and CSA conformity
- Power control in environments with wide operating temperatures
- Installations up to 3000 m altitude and pollution degree 3 locations
Frequently Asked Questions
What is the coil voltage and type?
It uses a 48 VAC/DC universal coil suitable for AC or DC control supply.
What is the rated operating current?
The AC-3 Ie is 150 A, with an Ith of 250 A per IEC.
Which standards does it conform to?
It conforms to IEC/EN 60947-1 and 60947-4-1, plus UL and CSA 60947 equivalents.
What are the environmental limits?
Operating temperature is -50 to 70 °C, storage -60 to 80 °C, max altitude 3000 m, pollution degree 3.
How is it mounted and what is the terminal torque?
Screw mounting is used, and terminals require 18 Nm tightening torque.
Safety note: Install and commission only by qualified personnel. Isolate all power, follow applicable IEC/EN, UL and CSA standards, and tighten terminals to 18 Nm. Observe all voltage, current and environmental ratings.
| Manufacturer Part Number | 11B1450048 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975025901 |
| Alternative Product SKU | B1450048 |
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