We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
11B125024110 - 3P CONTACTOR B1250.24.110-125V
MPN: 11B125024110
Alt. SKU: B125024110
Why Choose the 11B125024110?
Designed for high-current power switching, the Lovato B1250 three-pole contactor (SKU 11B125024110) delivers 1250 A AC-1 thermal current with a 110-125 VAC, 50/60 Hz AC coil. Rated Ui 690 V with 8 kV impulse withstand, it integrates 2NO+4NC auxiliary contacts and secure screw terminals. Ideal for dependable control and isolation in heavy-duty industrial panels.
Built for longevity and harsh environments, it offers a 5,000,000-cycle mechanical life, operates from -50 to 60°C, and is suitable up to 3000 m altitude, Pollution Degree 3. Conforming to IEC/EN 60947-1/-4-1 plus UL and CSA equivalents, this B1250 contactor ensures compliance and reliability. Terminal tightening torque is 35 Nm for firm, vibration-resistant connections.
Key Benefits
- 1250 A AC-1 thermal current for heavy-duty power switching.
- 110-125 VAC 50/60 Hz coil suits common control supplies.
- Ui 690 V and Uimp 8 kV for insulation robustness.
- Operates from -50 to 60°C; altitude capability up to 3000 m.
- Mechanical life rated at 5,000,000 cycles for reliability.
- Built-in 2NO+4NC auxiliary contacts add control flexibility.
- Screw mounting with 35 Nm terminal torque for secure connections.
- Conforms to IEC/EN, UL and CSA standards for compliance.
Technical Specification
- Product type designation: B1250
- Number of poles: 3
- Rated insulation voltage Ui (IEC/EN): 690 V
- Rated impulse withstand voltage Uimp: 8 kV
- Ith (IEC): 1250 A
- Terminal tightening torque: 35 to 35 Nm
- Weight: 4790 g
- Mechanical life: 5000000 cycles
- Operating temperature: -50 to 60 °C
- Storage temperature: -60 to 80 °C
- Max altitude: 3000 m
- Pollution degree: 3
What’s Included
- Lovato B1250 three-pole contactor (SKU 11B125024110)
- Factory-fitted AC coil, 110-125 VAC, 50/60 Hz
- Built-in 2NO+4NC auxiliary contacts
- Basic installation and safety information
Applications
- Switching and isolation of AC-1 resistive loads up to 1250 A
- Main power control in industrial distribution and control panels
- High-current switching for infrastructure and process equipment
- Control of large AC-1 duty heating and lighting banks
- Heavy-duty contactor use where 110-125 VAC coil control is available
Frequently Asked Questions
What coil voltage and frequency does this contactor use?
It has an AC coil rated 110 to 125 VAC at 50/60 Hz.
What are the current and insulation ratings?
Ith (AC-1) is 1250 A. Rated insulation voltage Ui is 690 V with 8 kV impulse withstand.
Which auxiliary contacts are included?
It includes built-in 2NO+4NC auxiliary contacts.
How is it mounted and what torque is required?
It mounts by screw. The terminal tightening torque is 35 Nm.
What environmental limits does it meet?
Operating temperature is -50 to 60°C and maximum altitude is 3000 m, Pollution Degree 3.
Safety note: Installation and servicing should be performed by competent personnel. Isolate power, observe the specified terminal torque and environmental limits, and follow applicable IEC/EN, UL and CSA standards.
| Manufacturer Part Number | 11B125024110 |
|---|---|
| Manufacturer | Lovato |
| HS Code | 85365080 |
| Barcode | 8013975045817 |
| Alternative Product SKU | B125024110 |
Write Your Own Review
