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11B4004SL00110 – 4P CONTACTOR 110/125V W/O LATCH
Lovato 11B4004SL00110 four-pole industrial contactor with 550A AC1 thermal current rating, 420A AC3 operational current, 110…125V AC/DC universal control coil and predisposition for G495 mechanical latch integration.
Why Choose the Lovato 11B4004SL00110 Contactor?
The Lovato 11B4004SL00110 is a heavy-duty four-pole industrial contactor designed for reliable switching of high-current electrical loads in motor control, automation and power distribution systems. Part of the robust Lovato B400 contactor series, this model features a 110–125 V AC/DC control coil and is prepared for the installation of a Lovato G495 mechanical latch.
Unlike factory-latched variants, the 11B4004SL00110 is supplied without the mechanical latch installed. Its latch-ready construction allows the appropriate G495 accessory to be added when maintained switching is required, providing flexibility for panel builders, OEMs and industrial control engineers.
With an IEC thermal current rating of 550 A in AC-1 duty and an operational rating of 420 A / 225 kW at 400 V in AC-3 duty, this contactor is suitable for controlling large industrial motors, resistive loads and high-capacity electrical distribution circuits.
Key Advantages
- Heavy-duty four-pole industrial contactor for high-current switching.
- 550 A AC-1 thermal current rating for demanding electrical loads.
- 420 A AC-3 operational current at 400 V.
- Supports motors rated up to 225 kW at 400 V.
- Prepared for installation of the Lovato G495 mechanical latch.
- 110–125 V AC/DC coil provides flexible control-circuit compatibility.
Key Features
- Lovato B400 contactor series.
- Four main power poles.
- 110–125 V AC/DC operating coil.
- Predisposed for a G495 mechanical latch.
- 550 A IEC AC-1 thermal current.
- 420 A / 225 kW IEC AC-3 rating at 400 V.
- Screw-mounted construction for industrial panels and switchgear.
- Certified for use in IEC and North American electrical installations.
Reliable High-Current Switching for Industrial Systems
Industrial contactors such as the Lovato 11B4004SL00110 allow large motors and electrical loads to be controlled through a lower-power control circuit. This helps provide dependable remote switching, integration with automation systems and safe coordination with overload and short-circuit protection devices.
The contactor’s compatibility with the G495 mechanical latch also allows it to be adapted for maintained switching applications. Once the optional latch is installed, the switching position can be retained mechanically without requiring the operating coil to remain continuously energised.
Typical Applications
- Large industrial motor starters.
- Motor control centres and switchboards.
- Industrial automation and process machinery.
- High-current resistive load switching.
- Power distribution and control panels.
- Maintained switching systems using an optional G495 latch.
Technical Specifications
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| Terminal Type | Bar / bolt | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 100–130 V | |
| Power | 225 kW | |
| Current | 420 A | |
| Voltage | 125 V | |
| Phase | Three Phase | |
| IP Rating | IP20 | |
| Poles | 4-pole | |
| Device Type | Contactor | |
| Current AC-1 | 550 A | |
| Series | B400 Contactors | |
| Product type | Four-pole industrial contactor | |
| Number of poles | 4 | |
| Contact configuration | 4 NO | |
| Mechanical latch compatibility | Predisposed for G495 mechanical latch | |
| IEC thermal current Ith (AC1) | 550 A | |
| Operational current AC3 at 400 V | 420 A | |
| Rated operational power AC3 at 400 V | 225 kW | |
| Control coil voltage | 110...125 V AC/DC | |
| Type of coil | AC/DC universal coil | |
| Rated insulation voltage | 690 V | |
| Impulse withstand voltage | 8 kV | |
| Supply frequency | 50/60 Hz | |
| Mounting type | Screw mounting | |
| Terminal type | Bolt connection | |
| Protection rating | IP20 | |
| Operating temperature | -50 °C to +70 °C | |
| Weight | approx. 11.26 kg | |
| Package dimensions | approx. 208 × 196 × 227 mm | |
| EAN | 8013975149409 | |
| HS code | 85365080 | |
| Compliance | IEC/EN 60947-1, IEC/EN 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 n° 60947-1, CSA C22.2 n° 60947-4-1 |
Frequently Asked Questions
What is the Lovato 11B4004SL00110 used for?
It is used for switching large industrial motors, resistive loads and high-current electrical circuits in automation and power distribution systems.
What control voltage does this contactor require?
The contactor is fitted with a 110–125 V AC/DC operating coil.
Is a mechanical latch included?
No. The contactor is supplied without a mechanical latch but is prepared for installation of the compatible Lovato G495 latch.
What is the AC-3 rating of this contactor?
It is rated at 420 A and 225 kW at 400 V under IEC AC-3 motor-switching conditions.
How many poles does the contactor have?
The Lovato 11B4004SL00110 features four main power poles.
Trusted for Heavy-Duty Industrial Switching
Lovato B400 contactors provide dependable high-current switching for industrial motor control, automation and electrical distribution applications, with latch-ready models offering additional flexibility for maintained-control systems.
