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BF26T2D048 – 4P CONTACTOR 2NO+2NC 45A AC1 48VDC
Lovato BF26T2D048 four-pole BF26 contactor with 2 normally open and 2 normally closed contacts, 45 A AC-1 conventional thermal current, 26 A AC-3 operating current, 48 V DC coil and screw or 35 mm DIN rail mounting for industrial control panels and automation systems.
£142.19
Why Choose the Lovato BF26T2D048 Four-Pole Contactor?
The Lovato BF26T2D048 is a compact and robust four-pole contactor designed for industrial load switching, control panels, machinery and automation systems. Part of the Lovato Electric BF contactor range, it provides dependable switching performance with a 2 normally open and 2 normally closed contact configuration.
This BF26 contactor has an IEC conventional thermal current Ith of 45 A in AC-1 duty and an IEC AC-3 operating current of 26 A at up to 440 V, making it suitable for resistive loads, lightly inductive loads and selected motor switching applications. Its 48 V DC coil is suitable for DC control circuits, automation panels, battery-backed systems and OEM electrical assemblies.
The BF26T2D048 is designed for straightforward installation using screw fixing or 35 mm DIN rail mounting. With recognised international approvals, IP20 terminal protection when correctly wired, long mechanical life and compatibility with Lovato BF series accessories, it is a practical choice for professional panel builders requiring a four-pole contactor with mixed NO and NC contacts.
Key Advantages
- Compact four-pole contactor for industrial power and control switching.
- 2 normally open and 2 normally closed main contacts for mixed switching requirements.
- 45 A AC-1 conventional thermal current for suitable resistive and lightly inductive loads.
- 26 A AC-3 operating current at up to 440 V for suitable motor switching duties.
- 48 V DC coil for DC control circuits and automation panels.
- 15 HP UL/CSA rating at 460/480 V for applicable three-phase load applications.
- Screw or 35 mm DIN rail mounting for flexible panel installation.
- Compatible with Lovato BF series auxiliary contacts, surge suppressors, interlocks and connection accessories.
Key Features
- Lovato Electric BF26 four-pole contactor.
- Contact configuration: 2 normally open and 2 normally closed poles.
- IEC AC-1 thermal current: 45 A.
- IEC AC-3 operating current: 26 A at up to 440 V.
- Rated coil voltage: 48 V DC.
- Coil type: DC coil.
- DC coil consumption: 5.4 W inrush and holding.
- Rated insulation voltage: 690 V IEC/EN.
- Rated impulse withstand voltage: 6 kV.
- UL/CSA horsepower rating: 15 HP at 460/480 V three-phase.
- DIN rail or screw mounting for control panel use.
Mixed NO and NC Switching with a 48 V DC Coil
The Lovato BF26T2D048 combines two normally open contacts and two normally closed contacts in one compact contactor. This mixed configuration allows circuits to be switched in opposite states from the same coil operation, supporting control, changeover-style logic and load switching tasks within industrial electrical panels.
With its 48 V DC coil, 45 A AC-1 rating and 26 A AC-3 operating current, the BF26T2D048 is well suited to DC control systems, battery-backed panels, machine control assemblies, HVAC systems and OEM equipment where a compact four-pole contactor with mixed contacts is specified.
Typical Applications
- Industrial control panels requiring two normally open and two normally closed switching poles.
- AC-1 resistive and lightly inductive load switching circuits.
- 48 V DC control circuits and battery-backed panels.
- Motor control circuits requiring BF26 contactor performance.
- HVAC, refrigeration and plant control equipment.
- Machine control and OEM electrical assemblies.
- Distribution, isolation and control circuit integration.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 42–48 V | |
| Current AC-1 | 45 A | |
| Device Type | Contactor | |
| Current | 26 A | |
| Power | 30 kW | |
| Voltage | 48 V | |
| Phase | Three Phase | |
| Poles | 4-pole | |
| Coil / Supply Voltage | 48 V DC | |
| Coil Type | DC | |
| Series | BF Series | |
| Product designation | Power contactor | |
| Product type designation | BF26 | |
| Number of poles | 4 | |
| Contact configuration | 2 normally open and 2 normally closed main contacts | |
| Coil type | DC coil | |
| Rated coil voltage | 48 V DC | |
| DC operating voltage pick-up range | 80 to 125% Us | |
| DC operating voltage drop-out range | 10 to 40% Us | |
| Average coil consumption at 20 °C | 5.4 W inrush, 5.4 W holding | |
| Rated insulation voltage Ui | 690 V | |
| Rated impulse withstand voltage Uimp | 6 kV | |
| Operational frequency | 25 to 400 Hz | |
| IEC conventional free air thermal current Ith | 45 A at 40 °C or below | |
| IEC AC-1 operating current | 45 A at 40 °C or below, 36 A at 55 °C or below, 32 A at 70 °C or below | |
| IEC AC-3 operating current | 26 A at up to 440 V and 55 °C or below | |
| IEC AC-4 operating current at 400 V | 11.5 A | |
| Rated operational power AC-1 at 230 V | 17 kW | |
| Rated operational power AC-1 at 400 V | 30 kW | |
| Rated operational power AC-1 at 500 V | 37 kW | |
| Rated operational power AC-1 at 690 V | 51 kW | |
| Short-time allowable current for 10 s | 210 A | |
| Protection fuse gG | 50 A | |
| Protection fuse aM | 32 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 | |
| Resistance per pole | 2 mΩ average | |
| Power dissipation per pole at Ith | 4 W | |
| Power dissipation per pole at AC-3 | 1.4 W | |
| Power terminal protection | IP20 when correctly wired | |
| Terminal style | Screw terminals | |
| Terminal tightening torque | 2.5 to 3 Nm | |
| Coil terminal tightening torque | 0.8 to 1 Nm | |
| Maximum number of wires simultaneously connectable | 2 | |
| Flexible conductor section without lug | 2.5 to 16 mm² | |
| Flexible conductor section with lug | 1 to 10 mm² | |
| Main circuit cable stripping length | 10 mm | |
| Command circuit cable stripping length | 8 mm | |
| Mounting type | Screw fixing or 35 mm DIN rail | |
| Operating position | Vertical plane, allowable plus or minus 30° | |
| Mechanical life | 20,000,000 cycles | |
| Electrical life | 1,600,000 cycles | |
| Maximum mechanical operating frequency | 3600 cycles per hour | |
| DC closing time, NO contact | 54 to 66 ms | |
| DC opening time, NO contact | 14 to 17 ms | |
| DC closing time, NC contact | 23 to 28 ms | |
| DC opening time, NC contact | 46 to 56 ms | |
| UL rated operational voltage | 600 V AC | |
| UL full-load current at 480 V | 21 A | |
| UL full-load current at 600 V | 22 A | |
| UL/CSA horsepower rating at 110/120 V single-phase | 2 HP | |
| UL/CSA horsepower rating at 230 V single-phase | 5 HP | |
| UL/CSA horsepower rating at 200/208 V three-phase | 7.5 HP | |
| UL/CSA horsepower rating at 220/240 V three-phase | 7.5 HP | |
| UL/CSA horsepower rating at 460/480 V three-phase | 15 HP | |
| UL/CSA horsepower rating at 575/600 V three-phase | 20 HP | |
| Operating temperature | -50 to +70 °C | |
| Storage temperature | -60 to +80 °C | |
| Maximum altitude | 3000 m | |
| Pollution degree | 3 | |
| EMC compatibility | Yes | |
| Approximate width | 76 mm | |
| Approximate height | 100 mm | |
| Approximate depth | 115 mm | |
| Weight | 670 g | |
| Package dimensions | 100 x 76 x 115 mm | |
| Package volume | 874 cm³ | |
| EAN | 8013975167113 | |
| Certifications | CCC, EAC, cULus, UL 60335-2-40 LZGH A2L, CSA C22.2 No. 60335-2-40:22 LZGH A2L, UL 60335-2-89 LZGH A2L and CSA C22.2 No. 60335-2-89:21 LZGH A2L | |
| Standards | IEC/EN/BS 60947-1, IEC/EN/BS 60947-4-1, UL 60947-1, UL 60947-4-1, CSA C22.2 No. 60947-1, CSA C22.2 No. 60947-4-1 and IEC/EN 60335-2-89 | |
| HS Code | 85365080 |
Frequently Asked Questions
What is the Lovato BF26T2D048 used for?
The Lovato BF26T2D048 is used for industrial switching applications where a four-pole contactor with 2 normally open and 2 normally closed contacts and a 48 V DC control coil is required.
How many poles does the BF26T2D048 have?
The BF26T2D048 has 4 poles, arranged as 2 normally open and 2 normally closed main contacts.
What current rating does the BF26T2D048 have?
It has an IEC conventional thermal current Ith AC-1 rating of 45 A and an IEC AC-3 operating current rating of 26 A at up to 440 V.
What coil voltage does this contactor use?
The BF26T2D048 uses a 48 V DC coil, making it suitable for DC control circuits, automation panels and battery-backed systems.
How much power does the DC coil consume?
The 48 V DC coil consumes approximately 5.4 W for both inrush and holding operation.
How is the Lovato BF26T2D048 mounted?
The contactor can be mounted by screw fixing or on a standard 35 mm DIN rail inside an electrical control panel.
What does 2NO and 2NC mean on this contactor?
2NO and 2NC means the contactor has two normally open contacts and two normally closed contacts. The normally open contacts close when the coil is energised, while the normally closed contacts open when the coil is energised.
Trusted by Panel Builders and Automation Engineers
Lovato BF series contactors are widely used by electrical engineers, OEMs and panel builders for reliable switching, compact installation and professional integration into industrial control systems.
