Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 2.8 → 4 A F.L.C, 4 A Contact Rating, 1.5 kW, 3P, SIRIUS

RS Stock No.:: 706-1554
Mfr. Part No.:: 3RU2116-1EB0
Manufacturer:: Siemens

Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 2.8 → 4 A F.L.C, 4 A Contact Rating, 1.5 kW, 3P, SIRIUS

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PHP2,404.91

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PHP2,693.50

(inc. VAT)

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RS Stock No.:: 706-1554
Mfr. Part No.:: 3RU2116-1EB0
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, 4A Contact Current Rating, 1.5kW Power Rating - 3RU2116-1EB0

This thermal overload relay provides essential protection for motors in various industrial settings, preventing overheating that can lead to significant damage and downtime. It is vital for maintaining system integrity and operational efficiency, making it a key component in electric motor accessories.

Features & Benefits

• Adjustable overload settings for customised motor protection
• Automatic and manual reset options for operational flexibility
• Screw terminals for secure electrical connections
• Two auxiliary contacts for enhanced functionality

Applications

• Designed for three-phase motors requiring thermal overload protection
• Suitable for direct mounting to contactors in electrical systems
• Ideal for environments exposed to temperature extremes
• Commonly used in automation and control circuit installations

How can I adjust the overload settings?

Overload settings can be adjusted via the accessible control interface, allowing for tailored protection based on specific motor needs.

What types of motors can this be used with?

It is compatible with various three-phase motors, accommodating a current range of 2.8 to 4A.

Is installation straightforward?

Yes, installation is made easy with screw terminals that ensure secure connections to the electrical circuit.

What are the implications of using this product in extreme temperatures?

Its robust design allows for reliable operation within a temperature range of -40 to +70°C, making it suitable for a variety of environments.

Siemens Sirius Range Contactor & Control Relays

Attribute	Value
FLC Motor Rating	2.8 → 4 A
Contact Current Rating	4 A
Range	SIRIUS
Pole Configuration	3P
Series	SIRIUS 3RU2
Mounting Style	Direct Contactor
Power Rating	1.5 kW
Normal State Configuration	NO/NC
Reset Method	Automatic, Manual
Terminal Type	Screw
Width	45mm
Number Of Auxiliary Contacts	2
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