Siemens SIRIUS 3RU2 Thermal Overload Relay 1NO + 1NC, 3.5 → 5 A F.L.C, 5 A Contact Rating, 1.5 kW, 3P, SIRIUS

Subtotal (1 unit)*

£42.72

(exc. VAT)

£51.26

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 41 unit(s) ready to ship
  • Plus 4 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.:
706-1566
Mfr. Part No.:
3RU2116-1FB0
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

FLC Motor Rating

3.5 → 5 A

Contact Current Rating

5 A

Range

SIRIUS

Pole Configuration

3P

Series

SIRIUS 3RU2

Mounting Style

Direct Contactor

Power Rating

1.5 kW

Normal State Configuration

1NO + 1NC

Terminal Type

Screw

Reset Method

Automatic, Manual

Number Of Auxiliary Contacts

2

Width

45mm

Length

87mm

Depth

73mm

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 3RU Series Overload Relay, 3.5 to 5A FLC Motor Rating, 3-Pole Configuration - 3RU2116-1FB0


This overload relay is essential for protecting motors by preventing overheating and damage. Designed for industrial use, it monitors and controls motor systems effectively. Its automatic and manual reset features ensure reliable operation, enhancing motor efficiency.

Features & Benefits


• Thermal design provides effective motor protection against overloads
• AC voltage rating up to 690V ensures versatile application
• Automatic reset feature allows for quick recovery after an overload
• Convenient screw terminals facilitate installation and connections
• Compact dimensions enable integration into confined spaces
• Dual auxiliary contacts offer diverse signalling options

Applications


• Suitable for 3-phase AC motors requiring precise protection
• Ideal for thermal overload monitoring
• Operable in environments with temperatures from -40°C to +70°C
• Employed in automation for effective motor control
• Used in machinery needing dependable overload safety features

How does this relay reset after an overload event?


The relay resets either automatically or manually, providing quick recovery based on conditions.

What is the suitable current rating range for this device?


It can handle a current rating between 3.5A and 5A, accommodating various motor sizes.

Can this relay be used in high-temperature environments?


Yes, it functions effectively in ambient temperatures up to 70°C, making it fit for various industrial scenarios.

Is there a specific installation position for this device?


There are no mounting position restrictions

it can be installed in any orientation.

What type of wiring connections does it support?


The relay features screw-type terminals for both main and auxiliary circuits, suitable for solid or stranded wires.