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11B2504L00110C110 – 4P CONTACTOR 110/125V C/W LATCH 110VDC
Lovato 11B2504L00110C110 four-pole industrial contactor with integrated mechanical latch, 350A AC1 operational current rating and 110…125V AC/DC universal control coil for industrial automation and power switching systems.
Why Choose the Lovato 11B2504L00110C110 Four-Pole Contactor?
The Lovato 11B2504L00110C110 is a heavy-duty four-pole industrial power contactor designed for reliable switching of high-current electrical loads. Part of the established Lovato B250 contactor series, it is supplied with a factory-fitted mechanical latch for applications that require the contactor to remain in its operating position without continuous coil energisation.
This contactor features an electronically controlled 110–125 V AC/DC operating coil and an integrated Lovato G495 mechanical latch. The latch is released using a separate 110–125 V DC unlatching coil, making the unit suitable for power distribution, energy management and industrial control systems where maintained switching is required.
With a conventional thermal current rating of 350 A in AC-1 duty and four main power poles, the 11B2504L00110C110 provides dependable control of resistive loads and high-current electrical circuits. Its robust construction, high insulation performance and mechanically latched operation make it suitable for demanding industrial installations.
Key Advantages
- Heavy-duty four-pole industrial power contactor.
- 350 A AC-1 conventional thermal current rating.
- Factory-fitted Lovato G495 mechanical latch.
- 110–125 V AC/DC contactor operating coil.
- 110–125 V DC mechanical latch release coil.
- Maintains its switching position without continuous coil energisation.
Key Features
- Lovato B250 contactor series.
- Four main power poles.
- 350 A IEC thermal current rating in AC-1 duty.
- AC/DC electronically controlled operating coil.
- Integrated G495 mechanical latching mechanism.
- Separate electrically operated latch release.
- Suitable for high-current resistive and power distribution loads.
- Certified for use in industrial electrical control equipment.
Reliable Mechanically Latched Power Switching
Mechanically latched contactors remain in their selected operating position after the control signal has been removed. This can reduce control-coil energy consumption and prevent unwanted contactor release during temporary control-voltage interruptions.
The Lovato 11B2504L00110C110 uses separate electrical commands for closing and releasing the contactor. Its 110–125 V AC/DC operating coil closes the main contacts, while the 110–125 V DC release coil disengages the mechanical latch when the circuit must be opened.
Typical Applications
- Industrial power distribution systems.
- Load-shedding and energy-management equipment.
- Capacitor bank and resistive load switching.
- Emergency power and transfer-control systems.
- Industrial control panels and switchboards.
- Applications requiring maintained contactor operation.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Type | AC, AC/DC, DC | |
| Coil Voltage Range | 100–130 V | |
| Power | 380 kW | |
| Current | 350 A | |
| Voltage | 125 V | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Device Type | Contactor | |
| Current AC-1 | 350 A | |
| Series | B250 Contactors | |
| Product type | Four-pole contactor with mechanical latch | |
| Operational current (AC1) | 350 A | |
| Rated operational power | up to 380 kW | |
| Control coil voltage | 110...125 V AC/DC | |
| Mechanical latch voltage | 110...125 V DC | |
| Number of poles | 4 | |
| Contact configuration | 4 NO | |
| Type of coil | AC/DC universal coil | |
| Insulation voltage | 690 V | |
| Mounting type | Screw / panel mounting | |
| Terminal type | Screw terminals | |
| Package dimensions | approx. 260 × 196 × 227 mm | |
| Weight | approx. 11.3 kg | |
| Compliance | IEC/EN 60947-1, IEC/EN 60947-4-1, UL, CSA |
Frequently Asked Questions
What is the Lovato 11B2504L00110C110 used for?
It is used for mechanically maintained switching of high-current electrical loads in industrial power distribution, automation and energy-management systems.
What is the current rating of this contactor?
The contactor has a conventional thermal current rating of 350 A in AC-1 duty.
What voltage does the main operating coil require?
The contactor operating coil is designed for a control voltage of 110–125 V AC or DC.
How is the mechanical latch released?
The factory-fitted G495 mechanical latch is electrically released using a dedicated 110–125 V DC release coil.
Is the Lovato 11B2504L00110C110 still in production?
The product is listed by Lovato Electric as out of catalogue, so availability may be limited to existing distributor stock, refurbished units or compatible replacement products.
Trusted by Industrial Professionals Worldwide
Lovato mechanically latched contactors have been widely used by electrical engineers, panel builders and industrial system designers for dependable maintained switching of high-current power circuits.
