Product designation				Power contactor
Product type designation				B250
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	350
Operational current Ie
		AC-1 (≤40°C)	A	350
		AC-1 (≤55°C)	A	300
		AC-1 (≤70°C)	A	250
		AC-3 (≤440V ≤55°C)	A	265
		AC-4 (400V)	A	115
Rated operational power AC-1 (T≤40°C)
		230V	kW	124
		400V	kW	214
		500V	kW	282
		690V	kW	380
IEC max current Ie in DC1 with L/R ≤ 1ms with 1 poles in series
		75V	A	350
		110V	A	160
		220V	A	--
		330V	A	--
		460V	A	--
IEC max current Ie in DC1 with L/R ≤ 1ms with 2 poles in series
		75V	A	350
		110V	A	300
		220V	A	250
		330V	A	--
		460V	A	--
IEC max current Ie in DC1 with L/R ≤ 1ms with 3 poles in series
		75V	A	350
		110V	A	300
		220V	A	300
		330V	A	250
		460V	A	--
IEC max current Ie in DC1 with L/R ≤ 1ms with 4 poles in series
		75V	A	350
		110V	A	300
		220V	A	300
		330V	A	300
		460V	A	250
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 1 poles in series
		75V	A	280
		110V	A	150
		220V	A	--
		330V	A	--
		460V	A	--
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 2 poles in series
		75V	A	280
		110V	A	250
		220V	A	200
		330V	A	--
		460V	A	--
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 3 poles in series
		75V	A	280
		110V	A	280
		220V	A	250
		330V	A	200
		460V	A	--
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 4 poles in series
		75V	A	280
		110V	A	280
		220V	A	280
		330V	A	200
		460V	A	200
Short-time allowable current for 10s (IEC/EN60947-1)			A	2200
Protection fuse
		gG (IEC)	A	400
		aM (IEC)	A	250
Making capacity (RMS value)			A	2750
Breaking capacity at voltage
		440V	A	2500
		500V	A	2250
		690V	A	2200
Resistance per pole (average value)			mΩ	0.2
Power dissipation per pole (average value)
		Ith	W	24.5
		AC-3	W	12.5
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		500 kcmil
Power terminal protection according to IEC/EN 60529				IP00
Mechanical features
Operating position
		normal		Vertical plan
		allowable		±30°
Fixing				Screw
Weight			g	1137
Conductor section
	AWG/kcmil conductor section
		max		500 kcmil
Operations
Mechanical life			cycles	10000000
Electrical life			cycles	1000000
Safety related data
Performance level B10d according to EN/ISO 13489-1
		rated load	cycles	1000000
		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			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	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			V	24
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	240
		at 600V	A	242
Yielded mechanical performance
	for three-phase AC motor
		200/208V	HP	75
		220/230V	HP	100
		575/600V	HP	250
General USE
	Contactor
		AC current	A	350
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)

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

11B25040024

Compare

Four-pole contactor, IEC operating current Ith (AC1) = 350A, AC/DC coil, 24VAC/DC

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

Order code	11B25040024
Weight [g]	11370
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	208X196X227
Volume [cm³]	9254.336
Bar code [EAN13]	8013975026472
HS Code	85365080