Product designation				Motor protection circuit breaker
Product type designation				SM1R
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				1.6…2.5
Rated current (In)			A	2.5
Magnetic tripping				13 x In
Power dissipation per pole
		min	W	0.67
		max	W	1.63
Operational short-circuit current breaking capacity (Ics) at AC
		230V	kA	100
		400V	kA	100
		440V	kA	100
		500V	kA	100
		690V	kA	10
Maximum short-circuit current breaking capacity (Icu) at AC
		230V	kA	100
		400V	kA	100
		440V	kA	100
		500V	kA	100
		690V	kA	10
Tripping class				10A
IEC Utilization category				A
Operations
Mechanical life			cycles	100000
Electrical life			cycles	100000
Mechanical features
Tightening torque for terminals
		min	Nm	2.5
		max	Nm	3
		min	Ibin	22
		max	Ibin	26.5
Max number of wires simultaneously connectable			Nr.	2
Conductor section
	AWG/Kcmil
		min		16
		max		8
	Flexible w/o lug conductor section
		min	mm²	1
		max	mm²	10
	Flexible c/w lug conductor section
		min	mm²	1
		max	mm²	10
	Flexible with insulated spade lug conductor section
		min	mm²	1
		max	mm²	10
Screwdriver				PH2
Power terminal protection according to IEC/EN 60529				IP20 on front
Cable stripping lenght
		main circuit	mm	12
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	320
UL technical data
Motor Disconnect
		at 480V	kA	30
		at 600V	kA	30
		protection		Fuse or CB
Group Motor Installation
		at 480V	kA	30
		at 600V	kA	30
		protection		Fuse or CB
Tap Conductor Protection
		at 480Y/277V	kA	30
		at 600Y/347V	kA	30
UL508 / UL 60947-4-1 Manual Self Protected Combination Motor Controller (Type E) Short circuit current
		at 240V	kA	65
		at 480Y/277V	kA	65
		at 600Y/347V	kA	30
Maximum UL/CSA horsepower ratings single-phase
		110V-120V	HP	-
		220V-240V	HP	1/6
Maximum UL/CSA horsepower ratings three-phase, 3-pole
		200V-208V	HP	1/2
		220V-240V	HP	1/2
		440V-480V	HP	1
		550V-600V	HP	1.5
ETIM classification
ETIM 8.0				EC000074 - Motor protection circuit-breaker

Documents

01 - Motor protection circuit breakers (eng)

Motor protection circuit breakers SM1P… - SM1R… (eng)
I489IGBDE09_22

LOVATO Electric - Motor protection circuit breakers SM series
TUTORIAL VIDEO: Tripping protection notification - SM series motor protection circuit breakers
TUTORIAL VIDEO: Door lock handle assembly - SM series motor protection circuit breakers
TUTORIAL VIDEO: Box assembly - SM Series motor protection circuit breakers
TUTORIAL VIDEO: Panel mounting - SM... Motor protection circuit breakers
TUTORIAL VIDEO: Assembly of the accessories - SM series motor protection circuit breakers
TUTORIAL VIDEO: Mounting in modular boxes - SM... Motor protection circuit breakers
TUTORIAL VIDEO: Connection of contactor/circuit breaker - SM Series motor protection circuit breakers

Certifications

cULus
EAC

Conformity

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

Products > Motor protection circuit breakers

SM1R0250

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Motor protection circuit breaker TYPE E, IEC breaking capacity Icu 100kA at 400V, 1.6...2.5A

Type of product: Motor protection circuit breaker
Thermal trip adjustment range: 1.6…2.5
Rated current (In): 2.5
Maximum short-circuit current breaking capacity (Icu) at AC 400V: 100
Type of protection: Magnetic and thermal
Type of control: Rotary knob
Certified UL Type E: Yes

Order code	SM1R0250
Weight [g]	340
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	090X047X086
Volume [cm³]	363.78
Bar code [EAN13]	8013975216323
HS Code	85362010