Product designation			RFE45
Product type designation			Motor protection relay
General characteristics
Number of poles		Nr.	3
Overvoltage category			III
Pollution degree			3
Frontal IP degree			IP20
Type of release			Electronic thermal
Protection fuse
	gG (IEC)	A	20
	aM (IEC)	A	10
Phase failure detection			yes
Reset mode			Manual or automatic
Power circuit characteristics
Rated insulation voltage Ui IEC/EN		V	1000
Rated impulse withstand voltage Uimp		kV	6
Rated operational voltage		V	690
Operational frequency
	min	Hz	50
	max	Hz	60
Operational current Ie
	Operational current min	A	1.6
	Operational current max	A	8
Tripping class			5 - 10 - 20 - 30
Test Button			yes
Trip indicator			yes
Terminals
	type		screw and washer
	screw		M4
	width	mm	12
	tool		Phillips 2
Tightening torque for terminals
	min	Nm	3.1
	max	Nm	3.1
	min	Ibin	2.3
	max	Ibin	2.3
Conductor section
	AWG/kcmil max		6
Auxiliary circuit characteristics
Auxiliary contacts
	NO	Nr.	1
	NC	Nr.	1
Auxiliary Rated insulation voltage Ui IEC/EN		V	690
Auxiliary Rated impulse withstand voltage Uimp		kV	6
Auxiliary Rated operational voltage		V	690
Operating current AC15
	24V	A	3
	120V	A	3
	240V	A	1.5
	380V	A	0.95
	480V	A	0.75
	500V	A	0.72
	600V	A	0.6
Operating current DC13
	125V	A	0.11
	600V	A	0.22
IEC Conventional free air thermal current Ith		A	10
Terminals
	Auxiliary circuit type		screw and washer
	Auxiliary circuit screw		M3,5
	Auxiliary circuit width	mm	7
	Auxiliary circuit tool		Phillips 2
Conductor section
	Auxiliary circuit Flexible w/o lug max	mm²	2.5
	Auxiliary circut Flexible c/w lug max	mm²	2.5
Tightening torque for terminals
	Auxiliary circuit min	Nm	0.8
	Auxiliary circuit max	Nm	0.8
	Auxiliary circuit min	Ibin	0.6
	Auxiliary circuit max	Ibin	0.6
UL/CSA and IEC/EN 60947-5-1 designation			B600-R300
Ambient conditions
Operating temperature
	min	°C	-25
	max	°C	70
Storage temperature
	min	°C	-55
	max	°C	80
Compensation temperature
	min	°C	-25
	max	°C	70
Max altitude		m	3000
Mechanical features
Operating position
	normal		Vertical plan
	allowable		±30°
Fixing			Direct mounting on BF09… BF38…
Weight		g	195
UL technical data
Full-load current (FLA) for three-phase AC motor
	at 480V	A	8
	at 600V	A	8
ETIM classification
ETIM 8.0			EC001080 - Electronic overload relay

Documents

03 - Motor protection relays (eng)

Electronic overload relay RFE45, RFE110 (eng)
I505IGBFE02_22

TUTORIAL VIDEO: Installation of RF38 thermal relays

Certifications

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 > Motor protection relays

RFE450800

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Electronic thermal overload relay, phase failure/single-phase sensitive. Three-pole (three-phase), manual or automatic resetting, 1.6...8A

Type of product: Electronic thermal overload relays
Operational current [A]: 1.6...8
Reset mode: Manual or automatic
For contactor series: BF
Type: Phase failure / Single-phase sensitive
Type of mounting: Direct mounting on BF09… BF38…

Order code	RFE450800
Weight [g]	208.3
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	090X078X050
Volume [cm³]	351
Bar code [EAN13]	8013975230244
HS Code	85364900

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Independent mounting screw fixing or 35mm DIN rail mounting, for relay RF38

BF0910A230

Three-pole contactor, IEC operating current Ie (AC3) = 9A, AC coil 50/60Hz, 230VAC, 1NO auxiliary contact

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Data Sheet - RFE450800

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RFE450800

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