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BF26T0A400 – 4P CONTACTOR NC 45A AC1 400V 50/60HZ
Lovato BF26T0A400 four-pole power contactor with four normally closed main contacts, a 45 A IEC conventional free-air thermal current rating and 400 V AC 50/60 Hz coil for industrial electrical switching and automation.
£106.64
Why Choose the Lovato BF26T0A400 Four-Pole Contactor?
The Lovato BF26T0A400 is a robust four-pole power contactor designed for reliable switching of industrial electrical loads. As part of the Lovato BF26 series, it features four normally closed main contacts and a 400 V AC 50/60 Hz coil, making it suitable for industrial control panels, machinery and automation systems.
The BF26T0A400 provides dependable switching performance with an IEC conventional free-air thermal current rating of 45 A. Its four normally closed main poles enable simultaneous switching of multiple conductors, while its high mechanical and electrical endurance supports reliable operation in demanding industrial environments.
With a rated insulation voltage of 690 V, a rated impulse withstand voltage of 6 kV and a 400 V AC 50/60 Hz control coil, the BF26T0A400 delivers robust electrical performance for industrial switching applications. Screw fixing and 35 mm DIN rail compatibility provide flexible installation within electrical control panels and machine cabinets.
Key Advantages
- Industrial four-pole power contactor with four normally closed main contacts.
- 45 A conventional free-air thermal current rating at temperatures up to 40°C.
- 400 V AC 50/60 Hz coil for compatible industrial control circuits.
- 26 A AC-3 operational current at up to 440 V and temperatures up to 55°C.
- 690 V rated insulation voltage for demanding electrical installations.
- Flexible installation using screw fixing or 35 mm DIN rail mounting.
Key Features
- Lovato BF26 power contactor.
- Four main poles.
- 4 normally closed main contact configuration.
- 45 A AC-1 operational current at temperatures up to 40°C.
- 26 A AC-3 operational current at up to 440 V and temperatures up to 55°C.
- 400 V AC 50/60 Hz control coil.
- 690 V rated insulation voltage.
- 6 kV rated impulse withstand voltage.
- IP20 power terminal protection when properly wired.
- Screw or 35 mm DIN rail mounting.
Reliable Switching for Industrial Electrical Loads
Power contactors such as the Lovato BF26T0A400 provide electrically controlled switching for industrial loads, allowing control circuits to operate higher-current electrical circuits reliably. Four-pole contactors are particularly useful where multiple conductors need to be switched simultaneously within machinery, electrical distribution equipment and automation systems.
The BF26T0A400 combines four normally closed main contacts with a 400 V AC 50/60 Hz control coil and high operating endurance. Its robust electrical ratings, secure screw connections and DIN rail compatible construction make it suitable for professional panel building, industrial machinery and OEM equipment.
Typical Applications
- Industrial electrical control panels.
- Machine control and automation systems.
- Four-pole normally closed electrical load switching.
- Power distribution, heating and lighting control systems.
- Industrial machinery and plant control equipment.
- OEM machinery using 400 V AC 50/60 Hz control circuits.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 380–440 V | |
| Current | 26 A | |
| Power | 11 kW | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 400 V AC | |
| Device Type | Contactor | |
| Coil Type | AC | |
| Current AC-1 | 45 A | |
| HS Code | 85365080 | |
| Manufacturer | Lovato Electric | |
| Series | BF26 | |
| Model | BF26T0A400 | |
| Product type | Power contactor | |
| Number of poles | 4 | |
| Main contact configuration | 4 normally closed | |
| Conventional free-air thermal current Ith (≤40°C) | 45 A | |
| Operational current (AC-1, ≤40°C) | 45 A | |
| Operational current (AC-1, ≤55°C) | 36 A | |
| Operational current (AC-1, ≤70°C) | 32 A | |
| Operational current (AC-3, ≤440 V, ≤55°C) | 26 A | |
| Operational current (AC-4, 400 V) | 11.5 A | |
| Rated operational power (AC-1, 230 V) | 17 kW | |
| Rated operational power (AC-1, 400 V) | 30 kW | |
| Rated operational power (AC-1, 500 V) | 37 kW | |
| Rated operational power (AC-1, 690 V) | 51 kW | |
| Rated insulation voltage | 690 V | |
| Rated impulse withstand voltage | 6 kV | |
| Operational frequency | 25–400 Hz | |
| Short-time allowable current for 10 s | 210 A | |
| Making capacity | 260 A RMS | |
| Breaking capacity at 440 V | 208 A | |
| Breaking capacity at 500 V | 184 A | |
| Breaking capacity at 690 V | 168 A | |
| Recommended gG protection fuse | 50 A | |
| Recommended aM protection fuse | 32 A | |
| Coil type | AC coil 50/60 Hz | |
| Rated coil voltage | 400 V AC | |
| Coil consumption at 50 Hz | 75 VA inrush / 9 VA holding | |
| Coil consumption at 60 Hz | 70 VA inrush / 6.5 VA holding | |
| Holding dissipation at 50 Hz | 2.5 W | |
| Main circuit connection | Screw connection | |
| Terminal tightening torque | 2.5–3 Nm | |
| Protection rating | IP20 at power terminals when properly wired | |
| Mounting type | Screw / 35 mm DIN rail | |
| Mechanical life | 20,000,000 cycles | |
| Electrical life | 1,600,000 cycles | |
| Maximum mechanical operating frequency | 3600 cycles/h | |
| Operating temperature | -50 to 70°C | |
| Storage temperature | -60 to 80°C | |
| Maximum altitude | 3000 m | |
| UL/CSA motor rating at 480 V | 15 HP | |
| Dimensions (H × W × D) | 90 × 61 × 90 mm | |
| Weight | 520 g |
Frequently Asked Questions
What is the Lovato BF26T0A400 used for?
The BF26T0A400 is a four-pole power contactor designed for electrically controlled switching of industrial loads in control panels, machinery and automation systems.
What contact configuration does the BF26T0A400 have?
The BF26T0A400 has four normally closed main contacts and no normally open main contacts.
What is the current rating of the BF26T0A400?
The contactor has an IEC conventional free-air thermal current rating of 45 A at temperatures up to 40°C and an AC-3 operational current rating of 26 A at up to 440 V and temperatures up to 55°C.
What coil voltage does the BF26T0A400 require?
The BF26T0A400 uses a 400 V AC coil rated for 50/60 Hz operation.
How is the Lovato BF26T0A400 mounted?
The contactor supports screw fixing or 35 mm DIN rail mounting for installation inside industrial electrical panels and machine cabinets.
Trusted Industrial Switching from Lovato Electric
Lovato Electric BF contactors provide dependable switching for industrial electrical control and automation applications, combining robust electrical performance, high operating endurance and flexible panel installation.
