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Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 3.5 → 5 A F.L.C, 5 A Contact Rating, 4 kW, 3P, SIRIUS

RS Stock No.:: 706-1623
Mfr. Part No.:: 3RU2126-1FB0
Brand:: Siemens

Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 3.5 → 5 A F.L.C, 5 A Contact Rating, 4 kW, 3P, SIRIUS

Subtotal (1 unit)*

£44.07

(exc. VAT)

£52.88

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

1 unit(s) ready to ship
Plus 3 unit(s) ready to ship from another location

Need more? Click ‘Check delivery dates’ to find extra stock and lead times.

Units	Per unit
1 +	£44.07

*price indicative

Alternative

This product is not currently available. Here is our alternative recommendation.

Siemens 3RU11 Overload Relay NO/NC, 3 A Contact Rating, 6 W, 400 V ac, 3P, SIRIUS

RS Stock No.: 866-5784

Each

£84.54

(exc. VAT)

£101.45

(inc. VAT)

RS Stock No.:: 706-1623
Mfr. Part No.:: 3RU2126-1FB0
Brand:: Siemens

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Siemens
	FLC Motor Rating	3.5 → 5 A
	Contact Current Rating	5 A
	Range	SIRIUS
	Pole Configuration	3P
	Series	SIRIUS 3RU2
	Mounting Style	Direct Contactor
	Power Rating	4 kW
	Normal State Configuration	1NO + 1NC
	Reset Method	Automatic, Manual
	Terminal Type	Screw
	Number Of Auxiliary Contacts	2
	Width	45mm
	Depth	73mm
	Length	87mm
	Maximum Operating Temperature	+70°C
	Minimum Operating Temperature	-40°C
	Operating Temperature Range	-40 → +70 °C
	Contact Voltage Rating	690 V ac

	Select all
	Brand Siemens
	FLC Motor Rating 3.5 → 5 A
	Contact Current Rating 5 A
	Range SIRIUS
	Pole Configuration 3P
	Series SIRIUS 3RU2
	Mounting Style Direct Contactor
	Power Rating 4 kW
	Normal State Configuration 1NO + 1NC
	Reset Method Automatic, Manual
	Terminal Type Screw
	Number Of Auxiliary Contacts 2
	Width 45mm
	Depth 73mm
	Length 87mm
	Maximum Operating Temperature +70°C
	Minimum Operating Temperature -40°C
	Operating Temperature Range -40 → +70 °C
	Contact Voltage Rating 690 V ac

COO (Country of Origin):: DE

Overload Relay - 3RU range

Switch position indicator and test function
STOP button
Selector switch for manual/automatic reset
Screw connection or Spring-clamp versions
Impulse voltage resistance 6 kV
Insulation voltage 690V
Surface or DIN-rail stand-alone mounts available, see 706-1699 etc

The 3RU21 thermal overload relays up to 80 A have been designed for current-sensitive protection of loads with normal starting.
These thermal overload relays for use with Sirius Size S0 & S00 Contactors