Siemens, SIRIUS 3RU2 Thermal Overload Relay 1 NO/1 NC, 45A F.L.C, 3A Contact Rating, 37 kW, 230V 3P

Subtotal (1 unit)*

£107.79

(exc. VAT)

£129.35

(inc. VAT)

Add to Basket
Select or type quantity
Stocked by manufacturer
  • Ready to ship from 19 May 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£107.79

*price indicative

RS Stock No.:
252-3352
Mfr. Part No.:
3RU21364GB1
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Product Type

Thermal Overload Relay

FLC Motor Rating

45A

Relay Contact Current

3A

Mount Type

Contactor Mount

Series

SIRIUS 3RU2

Power Rating

37kW

Pole and Throw Configuration

3P

Terminal Type

Spring Terminal

Normal State Configuration

1 NO/1 NC

IP Rating

IP20, IP00

Reset Method

Automatic & Manual

Minimum Operating Temperature

-25°C

Width

4.8mm

Adjustable Current Range

10 to 45 A

Number of Auxiliary Contacts

2

Length

2.4mm

Maximum Operating Temperature

60°C

Contact Voltage

1000V

Standards/Approvals

RCM, EAC, CSA, CE, CCC

Depth

155mm

Supply Voltage

1000V

Control Voltage

230V

COO (Country of Origin):
DE
The Siemens Overload relay is used for motor protection. The relay have current capacity of 36 to 45 A. It has size S2, class 10 stand-alone installation main circuit, screw auxiliary circuit and it is screw manual-automatic-reset device.

Surge voltage resistance rated value of 6 kV

Shock resistance 8g / 11 ms

Operating frequency rated value 50 to 60 Hz