Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 5.5 → 8 A F.L.C, 8 A Contact Rating, 3 kW, 3P, SIRIUS

RS Stock No.:: 706-1576
Mfr. Part No.:: 3RU2116-1HB0
Brand:: Siemens

Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 5.5 → 8 A F.L.C, 8 A Contact Rating, 3 kW, 3P, SIRIUS

Price Each**

£41.28

(exc. VAT)

£49.54

(inc. VAT)

19 In stock - FREE next working day delivery available*

4 available from Europe for delivery within 2 working day(s).

* Delivery dates may change based on your chosen quantity and delivery address.

FREE delivery for orders over £50.00

Units	Per unit
1 +	£41.28

**price indicative

RS Stock No.:: 706-1576
Mfr. Part No.:: 3RU2116-1HB0
Brand:: Siemens

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

Note

Screw terminals can only be used with screw terminal overloads and spring terminals can only be used with spring terminal overloads.

Approvals

CE, UL, CSA

Siemens Thermal Overload Relay, 3kW Power Rating, 1NO + 1NC Normal State Configuration - 3RU2116-1HB0

This thermal overload relay is designed to protect electric motors operating within a range of 5.5 to 8 A. It is suitable for direct mounting on contactors and integrates effortlessly into automation systems. With compact dimensions of 76mm x 45mm x 70mm, the relay can function in an operating temperature range from -40 to +70°C, making it suitable for various environments.

Features & Benefits

• Protects motors from overload and enhances operational safety
• Offers manual and automatic reset options for convenience
• High current rating accommodates up to 8A
• Integrated auxiliary switch acts as a fault indicator
• Compatible with 3-phase connections for versatility
• Features screw terminals for secure electrical connections

Applications

• Ideal for automation within manufacturing processes
• Used for protection in HVAC equipment
• Applicable in power distribution systems for motors

Can it handle multiple motor ratings?

Yes, it operates effectively within a range of 5.5 to 8 A.

Will it continue to function in extreme temperatures?

Yes, it is designed to work from -40°C to +70°C.

Is it easy to reset after tripping?

Yes, it has both manual and automatic reset methods.

Does it provide overload protection for 3-phase systems?

Yes, it is specifically designed for 3-phase overload protection.

Can it be integrated into various mounting positions?

Yes, it is adaptable to any mounting position.

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Attribute	Value
FLC Motor Rating	5.5 → 8 A
Contact Current Rating	8 A
Range	SIRIUS
Pole Configuration	3P
Series	SIRIUS 3RU2
Mounting Style	Direct Contactor
Power Rating	3 kW
Normal State Configuration	1NO + 1NC
Reset Method	Automatic, Manual
Terminal Type	Screw
Width	45mm
Number Of Auxiliary Contacts	2
Length	76mm
Depth	70mm
Maximum Operating Temperature	+70°C
Minimum Operating Temperature	-40°C
Operating Temperature Range	-40 → +70 °C
Contact Voltage Rating	690 V ac