Product designation				Power contactor
Product type designation				B310
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	450
Operational current Ie
		AC-1 (≤40°C)	A	450
		AC-1 (≤55°C)	A	370
		AC-1 (≤70°C)	A	300
		AC-3 (≤440V ≤55°C)	A	320
		AC-4 (400V)	A	150
Rated operational power AC-1 (T≤40°C)
		230V	kW	158
		400V	kW	270
		500V	kW	350
		690V	kW	488
IEC max current Ie in DC1 with L/R ≤ 1ms with 1 poles in series
		75V	A	375
		110V	A	195
		220V	A	--
		330V	A	--
		460V	A	--
IEC max current Ie in DC1 with L/R ≤ 1ms with 2 poles in series
		75V	A	375
		110V	A	350
		220V	A	300
		330V	A	--
		460V	A	--
IEC max current Ie in DC1 with L/R ≤ 1ms with 3 poles in series
		75V	A	375
		110V	A	350
		220V	A	350
		330V	A	300
		460V	A	--
IEC max current Ie in DC1 with L/R ≤ 1ms with 4 poles in series
		75V	A	375
		110V	A	350
		220V	A	350
		330V	A	350
		460V	A	300
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 1 poles in series
		75V	A	310
		110V	A	170
		220V	A	--
		330V	A	--
		460V	A	--
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 2 poles in series
		75V	A	310
		110V	A	290
		220V	A	230
		330V	A	--
		460V	A	--
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 3 poles in series
		75V	A	310
		110V	A	310
		220V	A	290
		330V	A	230
		460V	A	--
IEC max current Ie in DC3-DC5 with L/R ≤ 15ms with 4 poles in series
		75V	A	310
		110V	A	310
		220V	A	310
		330V	A	230
		460V	A	230
Short-time allowable current for 10s (IEC/EN60947-1)			A	2900
Protection fuse
		gG (IEC)	A	500
		aM (IEC)	A	400
Making capacity (RMS value)			A	3150
Breaking capacity at voltage
		440V	A	3000
		500V	A	2700
		690V	A	2520
Resistance per pole (average value)			mΩ	0.2
Power dissipation per pole (average value)
		Ith	W	40.5
		AC-3	W	20
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 3/0
Power terminal protection according to IEC/EN 60529				IP00
Mechanical features
Operating position
		normal		Vertical plan
		allowable		±30°
Fixing				Screw
Weight			g	1110
Conductor section
	AWG/kcmil conductor section
		max		2x 3/0
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	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	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	301
		at 600V	A	289
Yielded mechanical performance
	for three-phase AC motor
		200/208V	HP	100
		220/230V	HP	125
		460/480V	HP	250
		575/600V	HP	300
General USE
	Contactor
		AC current	A	450
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

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02 - Contactors (eng)

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

LOVATO Electric - Contactors BF series

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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

11B310400110

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Four-pole contactor, IEC operating current Ith (AC1) = 450A, AC/DC coil, 110...125VAC/DC

Type of product: Contactors
Number of poles: 4
Type of coil: AC/DC coil
Rated coil voltage [V]: 110...125
IEC operating current Ith (AC1) [A]: 450
IEC operating current and power Ie (AC3) 400V [A/Kw]: 320A / 170Kw
UL/CSA horsepower ratings 480V [HP]: 250
Type of mounting: Screw

Order code	11B310400110
Weight [g]	11100
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	208X196X227
Volume [cm³]	9254.336
Bar code [EAN13]	8013975074442
HS Code	85365080

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Data Sheet - 11B310400110

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11B310400110

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