Lovato BF12T4A12060 BF12 Four-Pole Contactor, 4 NO, 28 A AC-1, 120 V AC 60 Hz Coil
The Lovato BF12T4A12060 is a compact BF Series four-pole power contactor designed for industrial load switching, control panel distribution and selected motor control applications. With 4 normally open power poles, an AC-1 thermal current rating of 28 A and a 120 V AC 60 Hz coil, it is suitable for panels requiring simultaneous switching of multiple conductors under contactor control.
This BF12 four-pole contactor is rated at 12 A AC-3 at 400 V for motor applications and 28 A AC-1 for resistive or general-purpose switching duties. With screw terminals, 35 mm DIN rail mounting and compatibility with selected Lovato BF Series accessories, the BF12T4A12060 is a reliable choice for OEM machinery, HVAC panels, industrial automation cabinets and control systems using a 120 V AC 60 Hz command circuit.
Key Features
- Four-pole BF12 contactor for multi-pole industrial load switching.
- 4 normally open power poles for simultaneous switching of four circuits or conductors.
- 28 A AC-1 thermal current for resistive and general-purpose switching duties.
- 12 A AC-3 operating current for three-phase motor switching applications.
- 5.7 kW motor rating at 400 V AC-3 for common industrial motor loads.
- 120 V AC 60 Hz coil for control systems using a 120 V AC 60 Hz command supply.
- 690 V rated insulation voltage and 6 kV impulse withstand voltage.
- Screw terminals with IP20 protection when correctly wired.
- 35 mm DIN rail or screw mounting for flexible installation in control panels.
- Compatible with selected Lovato BF Series accessories including auxiliary contact blocks, mechanical interlocks and surge suppressors.
Technical Specifications
| Manufacturer | Lovato Electric |
|---|---|
| Part Number | BF12T4A12060 |
| Product Type | Four-pole power contactor |
| Series | BF Series |
| Product Type Designation | BF12 |
| Number of Poles | 4 |
| Main Pole Configuration | 4 NO |
| Coil Type | AC coil, 60 Hz |
| Rated Coil Voltage | 120 V AC at 60 Hz |
| 60 Hz Coil Pick-Up Range | 80 to 110% Us |
| Coil Drop-Out Range | 20 to 55% Us |
| 60 Hz Coil Consumption | 75 VA inrush, 9 VA holding |
| Holding Dissipation | 2.5 W |
| IEC Thermal Current AC-1 / Ith | 28 A at 40 °C |
| AC-1 Current at 55 °C | 23 A |
| AC-1 Current at 70 °C | 20 A |
| IEC Operating Current AC-3 | 12 A at up to 440 V, 55 °C |
| IEC Operating Current AC-4 | 7.9 A at 400 V |
| Rated Operational Power AC-3 at 230 V | 3.2 kW |
| Rated Operational Power AC-3 at 400 V | 5.7 kW |
| Rated Operational Power AC-3 at 415 V | 6.2 kW |
| Rated Operational Power AC-3 at 440 V | 5.5 kW |
| Rated Operational Power AC-3 at 500 V | 5 kW |
| Rated Operational Power AC-3 at 690 V | 5 kW |
| Rated Operational Power AC-1 at 230 V | 10 kW |
| Rated Operational Power AC-1 at 400 V | 18 kW |
| Rated Operational Power AC-1 at 500 V | 23 kW |
| Rated Operational Power AC-1 at 690 V | 32 kW |
| DC-1 Current, 1 Pole in Series | 17 A at 24 V or below, 15 A at 48 V, 13 A at 75 V, 6 A at 110 V |
| DC-1 Current, 2 Poles in Series | 20 A at 24 V or below, 20 A at 48 V, 18 A at 75 V, 13 A at 110 V, 1 A at 220 V |
| DC-1 Current, 3 Poles in Series | 22 A at 24 V or below, 22 A at 48 V, 20 A at 75 V, 16 A at 110 V, 11 A at 220 V |
| DC-1 Current, 4 Poles in Series | 20 A at 24 V or below, 20 A at 48 V, 20 A at 75 V, 16 A at 110 V, 12 A at 220 V |
| DC-3 / DC-5 Current, 1 Pole in Series | 12 A at 24 V or below, 11 A at 48 V, 10 A at 75 V, 2 A at 110 V |
| DC-3 / DC-5 Current, 2 Poles in Series | 15 A at 24 V or below, 13 A at 48 V, 12 A at 75 V, 8 A at 110 V, 2 A at 220 V |
| DC-3 / DC-5 Current, 3 Poles in Series | 18 A at 24 V or below, 18 A at 48 V, 15 A at 75 V, 12 A at 110 V, 6 A at 220 V |
| DC-3 / DC-5 Current, 4 Poles in Series | 15 A at 24 V or below, 15 A at 48 V, 15 A at 75 V, 16 A at 110 V, 7 A at 220 V |
| UL/CSA Full-Load Current at 480 V | 11 A |
| UL/CSA Full-Load Current at 600 V | 11 A |
| UL/CSA Single-Phase Horsepower Rating at 110/120 V | 1 HP |
| UL/CSA Single-Phase Horsepower Rating at 230 V | 2 HP |
| UL/CSA Three-Phase Horsepower Rating at 200/208 V | 5 HP |
| UL/CSA Three-Phase Horsepower Rating at 220/240 V | 5 HP |
| UL/CSA Three-Phase Horsepower Rating at 460/480 V | 7.5 HP |
| UL/CSA Three-Phase Horsepower Rating at 575/600 V | 10 HP |
| Rated Insulation Voltage | 690 V IEC/EN |
| Rated Impulse Withstand Voltage | 6 kV |
| Operational Frequency | 25 to 400 Hz |
| Short-Time Allowable Current | 150 A for 10 seconds |
| Making Capacity | 120 A RMS |
| Breaking Capacity | 96 A at 440 V / 96 A at 500 V / 94 A at 690 V |
| Protection Fuse | 32 A gG or 12 A aM, IEC |
| UL High Fault SCCR | 100 kA with Class J fuse, 30 A at 600 V |
| UL Standard Fault SCCR | 5 kA with 70 A fuse at 600 V |
| Power Dissipation per Pole | 2 W at Ith, 0.4 W at AC-3 |
| Resistance per Pole | 2.5 mΩ average |
| Terminal Type | Screw terminals |
| Main Terminal Tightening Torque | 1.5 to 1.8 Nm |
| Coil Terminal Tightening Torque | 0.8 to 1 Nm |
| Maximum Wires per Terminal | 2 |
| Flexible Conductor Section Without Lug | 1 to 6 mm² |
| Flexible Conductor Section With Lug | 1 to 4 mm² |
| Flexible Conductor Section With Insulated Spade Lug | 1 to 4 mm² |
| Maximum AWG Conductor Size | AWG 10 |
| Cable Stripping Length | 10 mm main circuit, 8 mm command circuit |
| Power Terminal Protection | IP20 when correctly wired |
| Mounting | Screw mounting or 35 mm DIN rail |
| Operating Position | Vertical plane, allowable plus or minus 30° |
| Mechanical Life | 20,000,000 cycles |
| Electrical Life | 2,000,000 cycles |
| B10d Rated Load | 2,000,000 cycles |
| B10d Mechanical Load | 20,000,000 cycles |
| Maximum Mechanical Operating Frequency | 3600 cycles/hour |
| AC Closing Time, NO Contacts | 8 to 24 ms |
| AC Opening Time, NO Contacts | 10 to 20 ms |
| AC Closing Time, NC Contacts | 14 to 28 ms |
| AC Opening Time, NC Contacts | 7 to 18 ms |
| EMC Compatibility | Yes |
| Operating Temperature | -50 to +70 °C |
| Storage Temperature | -60 to +80 °C |
| Maximum Altitude | 3000 m |
| Pollution Degree | 3 |
| Weight | 354 g |
| Package Dimensions | 90 x 47 x 86 mm |
| EAN | 8013975165072 |
| HS Code | 85365080 |
Compliance and Approvals
The Lovato BF12T4A12060 is designed for low-voltage industrial control systems and multi-pole switching applications where recognised contactor standards are required. Always verify final approval suitability against the latest Lovato documentation and the specific requirements of the installation.
- 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
- IEC/EN 60335-2-89
- CCC, EAC and cULus certifications
- UL 60335-2-40 and UL 60335-2-89 LZGH A2L listings
- CSA C22.2 No. 60335-2-40:22 and CSA C22.2 No. 60335-2-89:21 LZGH A2L listings
- EU declaration of conformity and UKCA declaration of conformity available from Lovato
Typical Applications
- Four-pole load switching in industrial control panels.
- Switching of three-phase loads with an additional switched pole where required by the design.
- AC-1 resistive load switching up to 28 A.
- Motor starter and control panels using a 120 V AC 60 Hz command circuit.
- HVAC, refrigeration, pump, fan and compressor control systems.
- OEM machinery and automation cabinets requiring compact multi-pole switching.
- Photovoltaic and power switching assemblies where the rating and wiring method are suitable.
- Maintenance replacement in panels requiring a BF12 four-pole contactor with 120 V AC 60 Hz coil operation.
Installation Guidance
- Confirm that the load current, utilisation category and number of switched poles are within the BF12T4A12060 rating.
- Verify that the control supply is 120 V AC at 60 Hz before energising the coil.
- Mount the contactor on a standard 35 mm DIN rail or secure it with screw fixing where required.
- Use correctly sized conductors and tighten the main and coil terminals to the specified torque range.
- For DC load switching, check the permitted current against the number of poles connected in series and the load time constant.
- Use compatible Lovato auxiliary contact blocks if additional signalling or feedback contacts are required.
- Pair the contactor with a correctly selected fuse, overload relay or protective device according to the application design.
- For reversing assemblies or mechanically interlocked arrangements, select compatible Lovato BF Series mechanical interlock accessories.
BF12T4A12060 Selection Comparison
| Model Type | Poles | Contact Configuration | Coil Supply | Best Used For |
|---|---|---|---|---|
| BF12T4A12060 | 4 | 4 NO | 120 V AC 60 Hz | Four-pole switching where a dedicated 120 V AC 60 Hz control coil is required. |
| BF12T4A120 | 4 | 4 NO | 120 V AC, variant dependent | Similar four-pole switching where a different 120 V AC coil frequency variant is required. |
| BF12T4A04860 | 4 | 4 NO | 48 V AC 60 Hz | Four-pole switching where the control system uses a 48 V AC 60 Hz supply. |
| BF1210A12060 | 3 | 3 NO + 1 NO auxiliary | 120 V AC 60 Hz | Motor control where three main poles and a built-in normally open auxiliary contact are required. |
Trusted By Engineers and Panel Builders
“The BF12T4A12060 is a practical choice for compact control panels where a 28 A AC-1 four-pole contactor, 120 V AC 60 Hz coil and DIN rail mounting are required.” Industrial Control Panel Engineer
Frequently Asked Questions
What is the Lovato BF12T4A12060 used for?
The Lovato BF12T4A12060 is used for four-pole industrial load switching, control panel applications and selected motor control duties. It has 4 normally open power poles, a 28 A AC-1 rating and a 120 V AC 60 Hz coil.
What coil voltage does the BF12T4A12060 use?
This contactor uses a 120 V AC 60 Hz coil. The control supply should match this voltage and frequency before the coil is energised.
How many poles does the BF12T4A12060 have?
It has four normally open power poles, allowing four circuits or conductors to be switched together.
Does the BF12T4A12060 include a built-in auxiliary contact?
No. This model is a four-pole contactor with 4 NO power contacts. If auxiliary signalling contacts are required, compatible Lovato BF Series auxiliary contact blocks can be added where suitable.
What is the AC-1 rating of this contactor?
The BF12T4A12060 is rated at 28 A AC-1 at 40 °C, making it suitable for appropriate resistive and general-purpose switching duties.
What is the AC-3 motor rating of the BF12T4A12060?
The contactor is rated at 12 A AC-3 and 5.7 kW at 400 V for motor switching applications.
Can the BF12T4A12060 be DIN rail mounted?
Yes. It can be mounted on a standard 35 mm DIN rail or fixed by screws, depending on the panel design.
Is the BF12T4A12060 suitable for 50 Hz control circuits?
This specific part number is a 120 V AC 60 Hz coil version. For 50 Hz control circuits, select and verify the correct Lovato 50 Hz or 50/60 Hz coil variant before ordering or installing.
Is the BF12T4A12060 suitable for DC load switching?
Yes, the BF12T4A12060 includes DC utilisation ratings, but the permitted current depends on the voltage, time constant and number of poles connected in series. Always check the DC-1, DC-3 or DC-5 rating table before using it for DC load switching.
What accessories can be used with the BF12T4A12060?
Compatible Lovato BF Series accessories include selected auxiliary contact blocks, mechanical interlocks, surge suppressors and related connection accessories. Always check accessory compatibility against the latest Lovato documentation before installation.
