Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 1.1 → 1.6 A F.L.C, 1.6 A Contact Rating, 0.55 kW, 3P,

RS stock no.:: 706-1535
Mfr. Part No.:: 3RU2116-1AB0
Manufacturer:: Siemens

Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 1.1 → 1.6 A F.L.C, 1.6 A Contact Rating, 0.55 kW, 3P,

Price Each**

R 1 030,81

(exc. VAT)

R 1 185,43

(inc. VAT)

6 Available from UK/Europe in 4–6 working days for collection or delivery to major cities (Heavy, hazardous or lithium product excluded. Delivery T&C's apply)*

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

FREE delivery for orders over R 1500

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Units	Per unit
1 +	R 1 030,81

**price indicative

RS stock no.:: 706-1535
Mfr. Part No.:: 3RU2116-1AB0
Manufacturer:: 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 SIRIUS 3RU2 Series Thermal Overload Relay, 1.6A Contact Current Rating, 0.55kW Power Rating - 3RU2116-1AB0

This thermal overload relay is essential for providing electrical overload protection to motors, preventing damage from overheating. It ensures consistent operation within automation systems and is vital for safeguarding motors operating within the 1.1 to 1.6 A range, thereby enhancing efficiency in various industrial settings.

Features & Benefits

• Automatic reset function reduces downtime during operation
• Includes dual configurations with 1NO + 1NC contacts
• Supports voltages up to 690 V AC for a range of Applications
• Compact design with a width of 45mm optimises space
• Direct mounting provides stability for secure installation
• Utilises screw terminals for straightforward wiring and connectivity

Applications

• Protects motors in assembly lines
• Suitable for use in HVAC systems
• Prevents overheating in industrial machinery
• Ideal for conveyor systems requiring thermal protection

What is the operating temperature range for the device?

The operating temperature range is from -40 to +70°C, accommodating various environmental conditions.

Can it be utilised with different motor types?

Yes, it is compatible with a variety of motor types that fall within the specified current rating.

How does the automatic reset function operate?

The device automatically resets once a fault condition is cleared, enabling operation to resume without manual intervention.

What type of terminal connection does it have?

It features screw terminals, ensuring secure and reliable connections in the wiring setup.

Attribute	Value
FLC Motor Rating	1.1 → 1.6 A
Contact Current Rating	1.6 A
Range	SIRIUS
Pole Configuration	3P
Series	SIRIUS 3RU2
Mounting Style	Direct Contactor
Power Rating	0.55 kW
Normal State Configuration	1NO + 1NC
Reset Method	Automatic, Manual
Terminal Type	Screw
Number Of Auxiliary Contacts	2
Width	45mm
Length	87mm
Depth	70mm
Maximum Operating Temperature	+70°C
Minimum Operating Temperature	-40°C
Operating Temperature Range	-40 → +70 °C
Contact Voltage Rating	690 V ac