Product designation				Motor protection circuit breaker
Product type designation				11SM1B
Electrical features
Number of poles			Nr.	3
Magnetic protection				yes
Thermal protection				yes
Phase failure detection				yes
Rated insulation voltage Ui IEC/EN			V	690
Rated impulse withstand voltage Uimp			kV	6
Rated frequency			Hz	50/60
Thermal trip adjustment range				2.5…4
Rated current (In)			A	4
Magnetic tripping				12 x ln
Operational short-circuit current breaking capacity (Ics) at AC
		230V	kA	100
		400V	kA	100
		500V	kA	100
		690V	kA	8
Maximum short-circuit current breaking capacity (Icu) at AC
		230V	kA	100
		400V	kA	100
		500V	kA	100
		690V	kA	8
Tripping class				10A
IEC Utilization category				A
Operations
Mechanical life			cycles	100000
Electrical life			cycles	100000
Mechanical features
Tightening torque for terminals
		min	Nm	2.3
		max	Nm	2.3
		min	Ibin	20
		max	Ibin	20
Max number of wires simultaneously connectable			Nr.	2
Conductor section
	AWG/Kcmil
		min		16
		max		10
	Flexible w/o lug conductor section
		min	mm²	1
		max	mm²	6
	Flexible c/w lug conductor section
		min	mm²	1
		max	mm²	6
	Flexible with insulated spade lug conductor section
		min	mm²	1
		max	mm²	6
Screwdriver				PH2
Power terminal protection according to IEC/EN 60529				IP20
Cable stripping lenght
		main circuit	mm	1
Ambient conditions
Temperature
	Operating temperature
		min	°C	-20
		max	°C	+60
	Storage temperature
		min	°C	-50
		max	°C	+80
	Compensation temperature
		min	°C	-20
		max	°C	+50
Max altitude			m	3000
Operating position
		normal		Vertical plan
		allowable		Any
Fixing				Screw / DIN rail 35mm
Weight			g	352
ETIM classification
ETIM 8.0				EC000074 - Motor protection circuit-breaker

cULus
EAC
CCC

IEC/EN 60947-1
IEC/EN 60947-2
IEC/EN 60947-4-1
UL508
CSA C22.2 n.14

Out of Catalogue

11SM1B28

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Motor protection circuit breaker, IEC breaking capacity Icu 100kA at 400V, 2.5...4A

Order code	11SM1B28
Weight [g]	353
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	090X047X086
Volume [cm³]	363.78
Bar code [EAN13]	8013975070826
HS Code	85362010

Data Sheet

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