Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 2.2A, 3.2 A F.L.C, 3.2A Contact Rating, 1.1 kW 3

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SGD131.94

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SGD143.81

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RS Stock No.:
706-1557
Distrelec Article No.:
136-23-071
Mfr. Part No.:
3RU2116-1DB0
Manufacturer:
Siemens
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Brand

Siemens

Product Type

Thermal Overload Relay

FLC Motor Rating

2.2, 3.2A

Relay Contact Current

3.2A

Series

SIRIUS 3RU2

Mount Type

Contactor

Pole and Throw Configuration

3

Power Rating

1.1kW

Terminal Type

Screw

Normal State Configuration

1 NO/1 NC

Reset Method

Automatic & Manual

IP Rating

IP20

Width

45mm

Number of Auxiliary Contacts

2

Adjustable Current Range

2.2 to 3.2 A

Minimum Operating Temperature

-40°C

Length

76mm

Contact Voltage

690V ac

Maximum Operating Temperature

70°C

Standards/Approvals

UL Approved, IEC 81346-2, IEC 61508, IEC 60529, IEC 60068-2-27, EAC Approved, CSA Approved, CE Approved, CCC approved

Depth

70mm

Supply Voltage

690V

COO (Country of Origin):
DE

Siemens SIRIUS 3RU2 Series Thermal Overload Relay, 2.2A FLC Motor Rating, 3P Pole Configuration - 3RU2116-1DB0


This thermal overload relay is an essential device for motor protection within the SIRIUS range. Designed to operate in a temperature range of -40 to +70 °C, the relay ensures efficient protection against overcurrent conditions. The Compact dimensions of 76mm x 45mm x 70mm make it suitable for installation in diverse environments. With a maximum current rating of 3.2 A and a contact configuration of 1NO + 1NC, it is reliable in safeguarding your machinery.

Features & Benefits


• Supports automatic and manual reset options for convenience
• Utilises screw terminals for secure electrical connections
• Designed with insulation voltage up to 690 V for enhanced safety
• Incorporates a thermal overload release for accurate motor protection

Applications


• Used for protecting three phase motors in industrial
• Ideal for integration with direct contactor mountings
• Suitable for requiring high current ratings

How does this relay handle overcurrent situations?


It features an adjustable current response Value ranging from 2.2 to 3.2 A, ensuring it can be tailored for specific motor requirements. The thermal overload release responds precisely to overcurrent conditions to protect motor systems.

What type of terminals does it support for connections?


This device is equipped with screw terminals suitable for connecting solid, stranded, or finely stranded conductors, allowing flexibility in installation and use.

Can it operate in different environmental conditions?


Yes, it operates reliably within a temperature range of -40 to +70 °C and can be stored in even harsher conditions, making it versatile for various applications.

How does the relay ensure safety during operation?


It is designed with an insulation voltage capacity of 690 V and offers protection class IP20 to prevent accidental contact, ensuring secure operation in various settings.

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

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