Product designation				Power contactor
Product type designation				BF26
Contact characteristics
Number of poles			Nr.	4
Rated insulation voltage Ui IEC/EN			V	690
Rated impulse withstand voltage Uimp			kV	6
Operational frequency
		min	Hz	25
		max	Hz	400
IEC Conventional free air thermal current Ith			A	45
Operational current Ie
		AC-1 (≤40°C)	A	45
		AC-1 (≤55°C)	A	36
		AC-1 (≤70°C)	A	32
		AC-3 (≤440V ≤55°C)	A	26
		AC-4 (400V)	A	11.5
Rated operational power AC-1 (T≤40°C)
		230V	kW	17
		400V	kW	30
		500V	kW	37
		690V	kW	51
IEC max current Ie in DC1 with L/R ≤ 1ms with 1 poles in series
		≤24V	A	25
		48V	A	21
		75V	A	18
		110V	A	6
		220V	A	–
IEC max current Ie in DC1 with L/R ≤ 1ms with 2 poles in series
		≤24V	A	28
		48V	A	28
		75V	A	25
		110V	A	22
		220V	A	2
IEC max current Ie in DC1 with L/R ≤ 1ms with 3 poles in series
		≤24V	A	28
		48V	A	28
		75V	A	25
		110V	A	24
		220V	A	20
IEC max current Ie in DC1 with L/R ≤ 1ms with 4 poles in series
		≤24V	A	28
		48V	A	28
		75V	A	25
		110V	A	24
		220V	A	26
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 1 poles in series
		≤24V	A	18
		48V	A	15
		75V	A	13
		110V	A	2
		220V	A	–
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 2 poles in series
		≤24V	A	20
		48V	A	20
		75V	A	18
		110V	A	13
		220V	A	3
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 3 poles in series
		≤24V	A	25
		48V	A	25
		75V	A	20
		110V	A	18
		220V	A	19
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 4 poles in series
		≤24V	A	30
		48V	A	30
		75V	A	25
		110V	A	20
		220V	A	15
Short-time allowable current for 10s (IEC/EN60947-1)			A	210
Protection fuse
		gG (IEC)	A	50
		aM (IEC)	A	32
Making capacity (RMS value)			A	260
Breaking capacity at voltage
		440V	A	208
		500V	A	184
		690V	A	168
Resistance per pole (average value)			mΩ	2
Power dissipation per pole (average value)
		Ith	W	4
		AC-3	W	1.4
Tightening torque for terminals
		min	Nm	2.5
		max	Nm	3
		min	Ibin	1.8
		max	Ibin	2.2
Tightening torque for coil terminal
		min	Nm	0.8
		max	Nm	1
		min	Ibin	0.8
		max	Ibin	0.74
Max number of wires simultaneously connectable			Nr.	2
Conductor section
	AWG/Kcmil
		max		6
	Flexible w/o lug conductor section
		min	mm²	2.5
		max	mm²	16
	Flexible c/w lug conductor section
		min	mm²	1
		max	mm²	10
	Flexible with insulated spade lug conductor section
		min	mm²	1
		max	mm²	10
Power terminal protection according to IEC/EN 60529				IP20 when properly wired
Mechanical features
Operating position
		normal		Vertical plan
		allowable		±30°
Fixing				Screw / DIN rail 35mm
Weight			g	665
Conductor section
	AWG/kcmil conductor section
		max		6
Operations
Mechanical life			cycles	20000000
Electrical life			cycles	1600000
Safety related data
Performance level B10d according to EN/ISO 13489-1
		rated load	cycles	1600000
		mechanical load	cycles	20000000
Mirror contats according to IEC/EN 609474-4-1				yes
EMC compatibility				yes
DC coil operating
DC rated control voltage			V	48
DC operating voltage
	pick-up
		min	%Us	80
		max	%Us	125
	drop-out
		min	%Us	10
		max	%Us	40
Average coil consumption ≤20°C
		in-rush	W	5.4
		holding	W	5.4
Max cycles frequency
Mechanical operation			cycles/h	3600
Operating times
Average time for Us control
	in AC
		Closing NO
		min	ms	8
		max	ms	24
		Opening NO
		min	ms	5
		max	ms	15
		Closing NC
		min	ms	9
		max	ms	20
		Opening NC
		min	ms	9
		max	ms	17
	in DC
		Closing NO
		min	ms	54
		max	ms	66
		Opening NO
		min	ms	14
		max	ms	17
UL technical data
Full-load current (FLA) for three-phase AC motor
		at 480V	A	21
		at 600V	A	22
Yielded mechanical performance
	for single-phase AC motor
		110/120V	HP	2
		230V	HP	5
	for three-phase AC motor
		200/208V	HP	7.5
		220/230V	HP	7.5
		460/480V	HP	15
		575/600V	HP	20
General USE
	Contactor
		AC current	A	45
Short-circuit protection fuse, 600V
	High fault
		Short circuit current	kA	100
		Fuse rating	A	100
		Fuse class		J
	Standard fault
		Short circuit current	kA	5
		Fuse rating	A	100
Ambient conditions
Temperature
	Operating temperature
		min	°C	-50
		max	°C	70
	Storage temperature
		min	°C	-60
		max	°C	80
Max altitude			m	3000
Resistance & Protection
Pollution degree				3
ETIM classification
ETIM 8.0				EC000066 - Power contactor, AC switching

Documents

02 - Contactors (eng)

Certifications

CCC
EAC
cULus

Conformity

IEC/EN/BS 60947-1
IEC/EN/BS 60947-4-1
UL 60947-1
UL 60947-4-1
CSA C22.2 n° 60947-1
CSA C22.2 n° 60947-4-1

Products > Contactors

BF26T4D048

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Four-pole contactor, IEC operating current Ith (AC1) = 45A, DC coil, 48VDC

Type of product: Contactors
Number of poles: 4
Type of coil: DC coil
Rated coil voltage [V]: 48
IEC operating current Ith (AC1) [A]: 45
IEC operating current and power Ie (AC3) 400V [A/Kw]: 26A /13Kw
Yielded mechanical performance for three-phase AC motor 460/480V: 15
Fixing: Screw / DIN rail 35mm

Order code	BF26T4D048
Weight [g]	665
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	100X076X115
Volume [cm³]	874
Bar code [EAN13]	8013975166901
HS Code	85365080