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BF26T4A02460 - 4P CONTACTOR NO 45A AC1 24/60

BF26T4A02460 – 4P CONTACTOR NO 45A AC1 24/60

Lovato BF26T4A02460 four-pole BF26 power contactor with 4 normally open contacts, 45 A AC-1 conventional thermal current, 26 A AC-3 operating current, 24 V AC 60 Hz coil and screw or 35 mm DIN rail mounting for industrial control panels and automation systems.

SKU: BF26T4A02460MPN: BF26T4A02460
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Why Choose the Lovato BF26T4A02460 Four-Pole Contactor?

The Lovato BF26T4A02460 is a compact and robust four-pole power 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 4 normally open 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 24 V AC 60 Hz coil is designed for low-voltage AC control circuits used in machine control, HVAC panels, industrial distribution and OEM electrical assemblies.

The BF26T4A02460 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 normally open contactor.

Key Advantages

  • Compact four-pole contactor for industrial power and control switching.
  • 4 normally open main contacts for simultaneous switching of multiple circuits.
  • 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.
  • 24 V AC 60 Hz coil for low-voltage AC control systems.
  • 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: 4 normally open poles.
  • IEC AC-1 thermal current: 45 A.
  • IEC AC-3 operating current: 26 A at up to 440 V.
  • Rated coil voltage: 24 V AC.
  • Coil frequency: 60 Hz.
  • 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.

Four-Pole Normally Open Switching for 24 V AC Control Panels

The Lovato BF26T4A02460 provides four normally open main poles that close together when the 24 V AC 60 Hz coil is energised. This configuration is suitable for switching multiple lines or circuits from one coil command, subject to the required protection, load category and installation design.

With its 45 A AC-1 rating, 26 A AC-3 operating current, IP20 terminal protection and compact BF26 frame, the BF26T4A02460 is well suited to machine control panels, HVAC systems, automation assemblies and OEM equipment where a reliable four-pole normally open contactor is specified.

Typical Applications

  • Industrial control panels requiring four normally open switching poles.
  • AC-1 resistive and lightly inductive load switching circuits.
  • Motor control circuits requiring 26 A AC-3 contactor performance.
  • HVAC, refrigeration and plant control equipment.
  • Machine control and OEM electrical assemblies.
  • Distribution, isolation and control circuit integration.
  • Automation systems using 24 V AC 60 Hz control voltage.

Technical Specifications

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Terminal Type Screw
Coil Voltage Range 24 V
Current AC-1 45 A
Device Type Contactor
Current 26 A
Power 13 kW
Voltage 24 V
Phase Three Phase
Poles 4-pole
Coil / Supply Voltage 24 V AC
Coil Type AC
Series BF Series
Product designation Power contactor
Product type designation BF26
Number of poles 4
Contact configuration 4 normally open main contacts
Coil type AC coil, 60 Hz
Rated coil voltage 24 V AC
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-3 rated power at 400 V 13 kW
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
IEC DC-1 current with 1 pole in series 25 A at 24 V or below, 21 A at 48 V, 18 A at 75 V, 6 A at 110 V
IEC DC-1 current with 2 poles in series 28 A at 24 V or below, 28 A at 48 V, 25 A at 75 V, 22 A at 110 V, 2 A at 220 V
IEC DC-1 current with 3 poles in series 28 A at 24 V or below, 28 A at 48 V, 25 A at 75 V, 24 A at 110 V, 20 A at 220 V
IEC DC-1 current with 4 poles in series 28 A at 24 V or below, 28 A at 48 V, 25 A at 75 V, 24 A at 110 V, 26 A at 220 V
IEC DC-3/DC-5 current with 1 pole in series 18 A at 24 V or below, 15 A at 48 V, 13 A at 75 V, 2 A at 110 V
IEC DC-3/DC-5 current with 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, 3 A at 220 V
IEC DC-3/DC-5 current with 3 poles in series 25 A at 24 V or below, 25 A at 48 V, 20 A at 75 V, 18 A at 110 V, 19 A at 220 V
IEC DC-3/DC-5 current with 4 poles in series 30 A at 24 V or below, 30 A at 48 V, 25 A at 75 V, 20 A at 110 V, 15 A at 220 V
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
Maximum conductor size AWG 6
Flexible conductor section without lug 2.5 to 16 mm²
Flexible conductor section with lug 1 to 10 mm²
Flexible conductor section with insulated spade lug 1 to 16 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
Safety related B10d at rated load 1,600,000 cycles
Safety related B10d mechanical load 20,000,000 cycles
AC coil pick-up range at 60 Hz 80 to 110% Us
AC coil drop-out range at 60 Hz 20 to 55% Us
Average coil consumption at 60 Hz 75 VA inrush, 9 VA holding
Holding dissipation 2.5 W
Maximum mechanical operating frequency 3600 cycles per hour
AC closing time, NO contact 8 to 24 ms
AC opening time, NO contact 5 to 15 ms
AC closing time, NC contact 9 to 20 ms
AC opening time, NC contact 9 to 17 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
UL general use current 45 A
High fault short-circuit protection 100 kA with 100 A Class J fuse at 600 V
Standard fault short-circuit protection 5 kA with 100 A fuse at 600 V
Operating temperature -50 to +70 °C
Storage temperature -60 to +80 °C
Maximum altitude 3000 m
Pollution degree 3
EMC compatibility Yes
ETIM classification EC000066 - Power contactor, AC switching
Weight 508 g
Package dimensions 97 x 65 x 90 mm
Package volume 567.45 cm³
EAN 8013975161746
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 BF26T4A02460 used for?

The Lovato BF26T4A02460 is used for industrial switching applications where a four-pole contactor with 4 normally open contacts and a 24 V AC 60 Hz control coil is required.

How many poles does the BF26T4A02460 have?

The BF26T4A02460 has 4 poles, arranged as 4 normally open main contacts.

What current rating does the BF26T4A02460 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 BF26T4A02460 uses a 24 V AC coil designed for 60 Hz control circuits.

How much power does the AC coil consume?

At 60 Hz, the coil consumes approximately 75 VA inrush and 9 VA holding.

How is the Lovato BF26T4A02460 mounted?

The contactor can be mounted by screw fixing or on a standard 35 mm DIN rail inside an electrical control panel.

What does 4NO mean on this contactor?

4NO means the contactor has four normally open contacts. These contacts are open when the coil is not energised and close 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.