Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 1.8 → 2.5 A F.L.C, 2.5 A Contact Rating, 0.75 kW, 3P,

Subtotal (1 unit)*

£42.72

(exc. VAT)

£51.26

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 22 unit(s) ready to ship
  • Plus 1 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 +£42.72

*price indicative

RS Stock No.:
706-1544
Distrelec Article No.:
301-39-549
Mfr. Part No.:
3RU2116-1CB0
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

FLC Motor Rating

1.8 → 2.5 A

Contact Current Rating

2.5 A

Range

SIRIUS

Pole Configuration

3P

Series

SIRIUS 3RU2

Mounting Style

Direct Contactor

Power Rating

0.75 kW

Normal State Configuration

1NO + 1NC

Reset Method

Automatic, Manual

Terminal Type

Screw

Width

45mm

Number Of Auxiliary Contacts

2

Depth

70mm

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

Siemens SIRIUS 3RU2 Series Thermal Overload Relay, 2.5A Contact Current Rating, 0.75kW Power Rating - 3RU2116-1CB0


This thermal overload relay is essential for protecting motors from overheating and damage caused by excessive current. It ensures operational safety and reliability in automation and electrical applications. Designed for efficient performance, it accommodates a broad range of current ratings and includes features that simplify monitoring and maintenance of electrical systems.

Features & Benefits


• Designed with a 3P pole configuration for versatile Applications
• Supports both automatic and manual reset methods
• Suitable for motors with a full load current of 1.8 to 2.5A
• Equipped with screw terminals for secure electrical connections
• Features two auxiliary contacts for enhanced functionality

Applications


• Compatible with direct contactors for seamless integration
• Utilised in industrial machinery for effective motor protection
• Applicable in HVAC systems to prevent motor overheating
• Used in conveyors to safeguard against electrical faults

How does the reset work after an overload condition?


The relay can be reset automatically or manually, offering flexibility in operation.

Can it handle different types of motors?


Yes, it is suitable for various motor types within the 1.8 to 2.5A rating.

What are the installation requirements for this relay?


It is designed for direct mounting, requiring minimal space and straightforward wiring.

Is there a way to check the status of the relay?


The two auxiliary contacts can monitor the operational status.

What is the significance of the temperature range specified?


The specified temperature range ensures reliable performance under diverse climatic conditions, enhancing safety and longevity.