Product designation				Power contactor
Product type designation				B1250
Contact characteristics
Number of poles			Nr.	4
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	1250
Operational current Ie
		AC-1 (≤40°C)	A	1250
		AC-1 (≤55°C)	A	1050
		AC-1 (≤70°C)	A	880
Rated operational power AC-1 (T≤40°C)
		230V	kW	480
		400V	kW	830
		500V	kW	1100
		690V	kW	1450
Short-time allowable current for 10s (IEC/EN60947-1)			A	6500
Protection fuse
		gG (IEC)	A	1250
Making capacity (RMS value)			A	6300
Breaking capacity at voltage
		440V	A	6300
		500V	A	5600
		690V	A	5000
Resistance per pole (average value)			mΩ	7
Power dissipation per pole (average value)
		Ith	W	110
Tightening torque for terminals
		min	Nm	35
		max	Nm	35
		min	Ibin	25.8
		max	Ibin	25.8
Max number of wires simultaneously connectable			Nr.	2
Conductor section
	AWG/Kcmil
		max		2x 1500kcmil
Power terminal protection according to IEC/EN 60529				IP00
Mechanical features
Operating position
		normal		Vertical plan
		allowable		±30°
Fixing				Screw
Weight			g	5750
Conductor section
	AWG/kcmil conductor section
		max		2x 1500kcmil
Auxiliary contact characteristics
Thermal current Ith			A	16
IEC/EN 60947-5-1 designation				A600 - P600
Operating current AC15
		230V	A	3
		400V	A	1.9
		500V	A	1.4
Operating current DC12
		110V	A	5.7
Operating current DC13
		24V	A	5.7
		48V	A	2.9
		60V	A	2.3
		125V	A	0.6
		220V	A	0.2
		600V	A	1.2
Operations
Mechanical life			cycles	5000000
Electrical life			cycles	700000
Safety related data
Performance level B10d according to EN/ISO 13489-1
		rated load	cycles	700000
		mechanical load	cycles	5000000
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	220
		max	V	240
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	800
		holding	VA	45
	of 50/60Hz coil powered at 60Hz
		in-rush	VA	800
		holding	VA	45
Dissipation at holding ≤20°C 50Hz			W	40
DC coil operating
DC rated control voltage
		min	V	220
		max	V	240
DC operating voltage
	pick-up
		min	%Us	80
Max cycles frequency
Mechanical operation			cycles/h	1200
Operating times
Average time for Us control
	in AC
		Closing NO
		min	ms	300
		max	ms	450
		Opening NO
		min	ms	70
		max	ms	130
	in DC
		Closing NO
		min	ms	300
		max	ms	450
		Opening NO
		min	ms	70
		max	ms	130
UL technical data
Contact rating of auxiliary contacts according to UL				A600 - P600
Ambient conditions
Temperature
	Operating temperature
		min	°C	-50
		max	°C	60
	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 B1250, B1600 (eng)
I035IGBDE10_01

LOVATO Electric - Contactors BF series

Certifications

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

11B1250424220

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Four-pole contactor, IEC operating current Ith (AC1) = 1250A, AC coil, 220...240VAC

Type of product: Contactors
Number of poles: 4
Type of coil: AC coil 50/60Hz
Rated coil voltage [V]: 220...240
IEC operating current Ith (AC1) [A]: 1250
Type of built-in auxiliary contacts: 2NO+4NC
Type of mounting: Screw

Order code	11B1250424220
Weight [g]	57500
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	672X362X290
Volume [cm³]	70546
Bar code [EAN13]	8013975045312
HS Code	85365080

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11G3566

Mechanical interlock, for B… series contactors, one on top of other

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Data Sheet - 11B1250424220

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11B1250424220

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