Product designation				Power contactor
Product type designation				11BF50K
Contact characteristics
Number of poles			Nr.	3
Rated insulation voltage Ui IEC/EN			V	690
Rated impulse withstand voltage Uimp			kV	8
Operational frequency
		min	Hz	25
		max	Hz	400
IEC Conventional free air thermal current Ith			A	90
Operational current Ie
		AC-3 (≤440V ≤55°C)	A	50
		AC-4 (400V)	A	28
Rated operational power AC-6b (T≤40°C)
		230V	kvar	22
		400V	kvar	38
		440…480V	kvar	41
		690V	kvar	46
Short-time allowable current for 10s (IEC/EN60947-1)			A	390
Protection fuse
		gG (IEC)	A	80
		aM (IEC)	A	50
Making capacity (RMS value)			A	500
Breaking capacity at voltage
		440V	A	400
		500V	A	352
		690V	A	312
Resistance per pole (average value)			mΩ	0.8
Power dissipation per pole (average value)
		Ith	W	6.5
		AC-3	W	2
Tightening torque for terminals
		min	Nm	4
		max	Nm	5
		min	Ibin	2.95
		max	Ibin	3.7
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.	1
Conductor section
	AWG/Kcmil
		max		2/0
	Flexible w/o lug conductor section
		min	mm²	6
		max	mm²	50
	Flexible c/w lug conductor section
		min	mm²	6
		max	mm²	50
Power terminal protection according to IEC/EN 60529				IP20 front
Mechanical features
Operating position
		normal		Vertical plan
		allowable		±30°
Fixing				Screw / DIN rail 35mm
Weight			g	1432
Conductor section
	AWG/kcmil conductor section
		max		2/0
Operations
Mechanical life			cycles	15000000
Electrical life			cycles	200000
Safety related data
Performance level B10d according to EN/ISO 13489-1
		rated load	cycles	200000
		mechanical load	cycles	15000000
Mirror contats according to IEC/EN 609474-4-1				YES
EMC compatibility				yes
AC coil operating
Rated AC voltage at 50/60Hz			V	24
AC operating voltage
	of 50/60Hz coil powered at 50Hz
		pick-up
		min	%Us	80
		max	%Us	110
		drop-out
		min	%Us	20
		max	%Us	55
	of 50/60Hz coil powered at 60Hz
		pick-up
		min	%Us	80
		max	%Us	110
		drop-out
		min	%Us	40
		max	%Us	55
AC average coil consumption at 20°C
	of 50/60Hz coil powered at 50Hz
		in-rush	VA	200
		holding	VA	18
	of 50/60Hz coil powered at 60Hz
		in-rush	VA	200
		holding	VA	15
	of 60Hz coil powered at 60Hz
		in-rush	VA	220
		holding	VA	18
Dissipation at holding ≤20°C 50Hz			W	6
DC coil operating
Average coil consumption ≤20°C
		in-rush	W	45
		holding	W	75
Max cycles frequency
Mechanical operation			cycles/h	3600
Operating times
Average time for Us control
	in AC
		Closing NO
		min	ms	13
		max	ms	28
		Opening NO
		min	ms	6
		max	ms	19
	in DC
		Closing NO
		min	ms	40
		max	ms	85
		Opening NO
		min	ms	20
		max	ms	55
UL technical data
Full-load current (FLA) for three-phase AC motor
		at 480V	A	52
		at 600V	A	41
Yielded mechanical performance
	for single-phase AC motor
		110/120V	HP	5
		230V	HP	10
	for three-phase AC motor
		200/208V	HP	15
		220/230V	HP	20
		460/480V	HP	40
		575/600V	HP	40
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

Documents

Assembly instructions to obtain BFK contactors (change kit G460-G464-BFX10K3-BFX10K4) (eng)
I057IGBDE07_19

LOVATO Electric - Contactors BF series

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11BF50K0024

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Number of poles: 3
Rated coil voltage [V]: 24
Yielded mechanical performance for three-phase AC motor 460/480V: 40
Fixing: Screw / DIN rail 35mm

Order code	11BF50K0024
Weight [g]	1432
Qty. per package	5
Multiple qty. of packs per order	5
Package dimensions [mm]	416X238X156
Volume [cm³]	3089.05
Bar code [EAN13]	8013975087343
HS Code	85365080

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11BF50K0024