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11B400400110 - 4P CONTACTOR B400.4.00 110/125
MPN: 11B400400110
Alt. SKU: B400400110
Why Choose the 11B400400110?
Engineered for demanding switching duties, the Lovato B400 four‑pole contactor (SKU 11B400400110) combines high capacity and versatility. It features an AC/DC coil rated 110…125 V, AC1 Ith of 550 A, and AC3 performance of 420 A/225 kW at 400 V. Screw mounting and screw terminals support secure installation, while Ui 1000 V and Uimp 8 kV insulation ratings enhance reliability in industrial control, distribution, and motor‑control applications.
Built on Lovato’s proven B400 platform, this contactor delivers 10,000,000 mechanical operations and dependable performance from −50 to 70 °C, with storage −60 to 80 °C and operation up to 3000 m altitude (pollution degree 3). Terminal tightening torque is 35 Nm. Conformity includes IEC/EN 60947‑1/‑4‑1 and UL/CSA equivalents, supporting integration in panels where global approvals and consistent, long‑life switching are essential.
Key Benefits
- AC1 Ith 550 A for reliable high-current resistive load switching.
- AC3 420 A / 225 kW at 400 V for robust motor control duties.
- Dual-rated 110…125 V AC/DC coil simplifies control design and spares.
- High insulation strength: Ui 1000 V and Uimp 8 kV.
- Extended -50 to 70 °C operating range suits harsh environments.
- Long mechanical life: 10,000,000 cycles on the B400 platform.
- Screw mounting and 35 Nm terminal torque ensure secure connections.
- UL/CSA rating: 350 HP at 480 V for North American applications.
Technical Specification
- Product type designation: B400
- Number of poles: 4
- Rated insulation voltage Ui (IEC/EN): 1000 V
- Rated impulse withstand voltage Uimp: 8 kV
- Ith (IEC): 550 A
- Terminal tightening torque: 35 to 35 Nm
- Weight: 1126 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 B400 four-pole contactor (SKU 11B400400110)
- Integrated 110…125 V AC/DC coil
- Screw terminal connections for power and control circuits
- Manufacturer datasheet and compliance information (available via product resources)
Applications
- AC1 resistive loads up to 550 A in industrial control systems
- Motor starters and switching at 400 V AC3 up to 420 A / 225 kW
- Panels requiring IEC/EN, UL, and CSA conformity for global deployment
- Installations operating from −50 to 70 °C and up to 3000 m altitude
- Environments demanding Ui 1000 V and 8 kV impulse withstand
Frequently Asked Questions
What is the coil voltage and type?
The coil is AC/DC rated 110…125 V, suitable for both AC and DC supplies.
What are the main current and power ratings?
AC1 Ith is 550 A; AC3 at 400 V is 420 A / 225 kW.
Which standards does it comply with?
It conforms to IEC/EN 60947-1 and 60947-4-1, plus UL and CSA equivalents.
What are the environmental limits?
Operating temperature is −50 to 70 °C, storage −60 to 80 °C, and maximum altitude 3000 m (pollution degree 3).
How is it installed and secured?
It uses screw mounting with screw terminals; terminal tightening torque is 35 Nm.
Safety note: Install and commission only by qualified personnel. Isolate power before work, observe the specified torque and environmental limits, and follow IEC/EN, UL, and CSA guidelines for safe operation.
| Manufacturer Part Number | 11B400400110 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975026700 |
| Alternative Product SKU | B400400110 |
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