Product designation				Power contactor
Product type designation				B145
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	250
Operational current Ie
		AC-1 (≤40°C)	A	250
		AC-1 (≤55°C)	A	235
		AC-1 (≤70°C)	A	190
		AC-3 (≤440V ≤55°C)	A	150
		AC-4 (400V)	A	57
Rated operational power AC-1 (T≤40°C)
		230V	kW	91
		400V	kW	150
		500V	kW	196
		690V	kW	270
IEC max current Ie in DC1 with L/R ≤ 1ms with 1 poles in series
		75V	A	220
		110V	A	110
		220V	A	–
		330V	A	–
		460V	A	–
IEC max current Ie in DC1 with L/R ≤ 1ms with 2 poles in series
		75V	A	220
		110V	A	150
		220V	A	130
		330V	A	–
		460V	A	–
IEC max current Ie in DC1 with L/R ≤ 1ms with 3 poles in series
		75V	A	220
		110V	A	150
		220V	A	150
		330V	A	130
		460V	A	–
IEC max current Ie in DC1 with L/R ≤ 1ms with 4 poles in series
		75V	A	220
		110V	A	150
		220V	A	150
		330V	A	150
		460V	A	130
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 1 poles in series
		75V	A	160
		110V	A	80
		220V	A	–
		330V	A	–
		460V	A	–
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 2 poles in series
		75V	A	160
		110V	A	120
		220V	A	90
		330V	A	–
		460V	A	–
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 3 poles in series
		75V	A	160
		110V	A	140
		220V	A	120
		330V	A	90
		460V	A	–
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 4 poles in series
		75V	A	160
		110V	A	140
		220V	A	140
		330V	A	140
		460V	A	90
Short-time allowable current for 10s (IEC/EN60947-1)			A	1300
Protection fuse
		gG (IEC)	A	250
		aM (IEC)	A	160
Making capacity (RMS value)			A	1500
Breaking capacity at voltage
		440V	A	1500
		500V	A	1400
		690V	A	1200
Resistance per pole (average value)			mΩ	0.3
Power dissipation per pole (average value)
		Ith	W	14.5
		AC-3	W	6.8
Tightening torque for terminals
		min	Nm	18
		max	Nm	18
		min	Ibin	13.3
		max	Ibin	13.3
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		4/0
Power terminal protection according to IEC/EN 60529				IP00
Mechanical features
Operating position
		normal		Vertical plan
		allowable		±30°
Fixing				Screw
Weight			g	6340
Conductor section
	AWG/kcmil conductor section
		max		4/0
Operations
Mechanical life			cycles	10000000
Electrical life			cycles	1100000
Safety related data
Performance level B10d according to EN/ISO 13489-1
		rated load	cycles	1100000
		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	110
		max	V	125
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	110
		max	V	125
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	60
		max	ms	100
		Opening NO
		min	ms	25
		max	ms	60
	in DC
		Closing NO
		min	ms	60
		max	ms	100
		Opening NO
		min	ms	25
		max	ms	60
UL technical data
Full-load current (FLA) for three-phase AC motor
		at 480V	A	124
		at 600V	A	125
Yielded mechanical performance
	for three-phase AC motor
		200/208V	HP	50
		220/230V	HP	50
General USE
	Contactor
		AC current	A	250
Short-circuit protection fuse, 600V
	Standard fault
		Short circuit current	kA	5
		Fuse rating	A	500
		Fuse class		RK5
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

11B145400110

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Four-pole contactor, IEC operating current Ith (AC1) = 250A, AC/DC coil, 110...125VAC/DC

Type of product: Contactors
Number of poles: 4
Type of coil: AC/DC coil
Fixing: Screw

Order code	11B145400110
Weight [g]	6340
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	173X163X195
Volume [cm³]	5498.805
Bar code [EAN13]	8013975025956
HS Code	85365080