Product designation				Power contactor
Product type designation				B400
Contact characteristics
Number of poles			Nr.	4
Rated insulation voltage Ui IEC/EN			V	1000
Rated impulse withstand voltage Uimp			kV	8
Operational frequency
		min	Hz	25
		max	Hz	400
IEC Conventional free air thermal current Ith			A	550
Operational current Ie
		AC-1 (≤40°C)	A	550
		AC-1 (≤55°C)	A	430
		AC-1 (≤70°C)	A	360
		AC-3 (≤440V ≤55°C)	A	420
		AC-4 (400V)	A	200
Rated operational power AC-1 (T≤40°C)
		230V	kW	200
		400V	kW	345
		500V	kW	452
		690V	kW	598
IEC max current Ie in DC1 with L/R ≤ 1ms with 1 poles in series
		75V	A	400
		110V	A	250
		220V	A	--
		330V	A	--
		460V	A	--
IEC max current Ie in DC1 with L/R ≤ 1ms with 2 poles in series
		75V	A	400
		110V	A	400
		220V	A	350
		330V	A	--
		460V	A	--
IEC max current Ie in DC1 with L/R ≤ 1ms with 3 poles in series
		75V	A	400
		110V	A	400
		220V	A	400
		330V	A	350
		460V	A	--
IEC max current Ie in DC1 with L/R ≤ 1ms with 4 poles in series
		75V	A	400
		110V	A	400
		220V	A	400
		330V	A	400
		460V	A	350
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 1 poles in series
		75V	A	350
		110V	A	200
		220V	A	--
		330V	A	--
		460V	A	--
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 2 poles in series
		75V	A	350
		110V	A	350
		220V	A	280
		330V	A	--
		460V	A	--
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 3 poles in series
		75V	A	350
		110V	A	350
		220V	A	350
		330V	A	280
		460V	A	--
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 4 poles in series
		75V	A	350
		110V	A	350
		220V	A	350
		330V	A	280
		460V	A	280
Short-time allowable current for 10s (IEC/EN60947-1)			A	3600
Protection fuse
		gG (IEC)	A	630
		aM (IEC)	A	400
Making capacity (RMS value)			A	4200
Breaking capacity at voltage
		440V	A	4000
		500V	A	3400
		690V	A	3360
Resistance per pole (average value)			mΩ	0.2
Power dissipation per pole (average value)
		Ith	W	52
		AC-3	W	32
Tightening torque for terminals
		min	Nm	35
		max	Nm	35
		min	Ibin	25.8
		max	Ibin	25.8
Tightening torque for coil terminal
		min	Nm	1
		max	Nm	1
		min	Ibin	0.74
		max	Ibin	0.74
Max number of wires simultaneously connectable			Nr.	2
Conductor section
	AWG/Kcmil
		max		2x 300 kcmil
Power terminal protection according to IEC/EN 60529				IP00
Mechanical features
Operating position
		normal		Vertical plan
		allowable		±30°
Fixing				Screw
Weight			g	1114
Conductor section
	AWG/kcmil conductor section
		max		2x 300 kcmil
Operations
Mechanical life			cycles	10000000
Electrical life			cycles	700000
Safety related data
Performance level B10d according to EN/ISO 13489-1
		rated load	cycles	700000
		mechanical load	cycles	10000000
Mirror contats according to IEC/EN 609474-4-1				yes
EMC compatibility				yes
AC coil operating
Rated AC voltage at 50/60Hz, 60Hz
		min	V	440
		max	V	480
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	60
	of 50/60Hz coil powered at 60Hz
		pick-up
		min	%Us	80
		max	%Us	110
		drop-out
		min	%Us	20
		max	%Us	60
	of 60Hz coil powered at 60Hz
		pick-up
		min	%Us	80
		max	%Us	110
		drop-out
		min	%Us	20
		max	%Us	60
AC average coil consumption at 20°C
	of 50/60Hz coil powered at 50Hz
		in-rush	VA	300
		holding	VA	10
	of 50/60Hz coil powered at 60Hz
		in-rush	VA	300
		holding	VA	10
Dissipation at holding ≤20°C 50Hz			W	10
DC coil operating
DC rated control voltage
		min	V	440
		max	V	480
DC operating voltage
	pick-up
		min	%Us	80
		max	%Us	110
	drop-out
		min	%Us	20
		max	%Us	60
Average coil consumption ≤20°C
		in-rush	W	300
		holding	W	10
Max cycles frequency
Mechanical operation			cycles/h	2400
Operating times
Average time for Us control
	in AC
		Closing NO
		min	ms	80
		max	ms	120
		Opening NO
		min	ms	30
		max	ms	75
	in DC
		Closing NO
		min	ms	80
		max	ms	120
		Opening NO
		min	ms	30
		max	ms	75
UL technical data
Full-load current (FLA) for three-phase AC motor
		at 480V	A	414
		at 600V	A	382
Yielded mechanical performance
	for three-phase AC motor
		200/208V	HP	125
		220/230V	HP	150
		460/480V	HP	350
		575/600V	HP	400
General USE
	Contactor
		AC current	A	550
Short-circuit protection fuse, 600V
	Standard fault
		Short circuit current	kA	18
		Fuse rating	A	800
		Fuse class		L
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)

Contactors B115, B145, B180, B250, B310, B400, B500, B630, B6301000 (eng)
I010IGBDCN04_16

LOVATO Electric - Contactors BF series

Certifications

CCC
EAC
cULus

Conformity

IEC/EN 60947-1
IEC/EN 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

11B400400440

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Four-pole contactor, IEC operating current Ith (AC1) = 550A, AC/DC coil, 440...480VAC/DC

Type of product: Contactors
Number of poles: 4
Type of coil: AC/DC coil
Rated coil voltage [V]: 440
IEC operating current Ith (AC1) [A]: 550
IEC operating current and power Ie (AC3) 400V [A/Kw]: 420A / 225Kw
Yielded mechanical performance for three-phase AC motor 460/480V: 350
Fixing: Screw

Order code	11B400400440
Weight [g]	11140
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	208X196X227
Volume [cm³]	9254.336
Bar code [EAN13]	8013975026748
HS Code	85365080