Siemens 3RH2 Contactor Relay, 24 V dc Coil, 4-Pole, 10 A, 4 W 24 V dc, 3 NO/1 NC, 690V ac

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RS Stock No.:
746-0743
Distrelec Article No.:
136-23-012
Mfr. Part No.:
3RH2131-1BB40
Manufacturer:
Siemens
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Brand

Siemens

Product Type

Contactor Relay

Coil Voltage

24 V dc

Number of Poles

4

Contact Voltage

690V ac

Contact Current

10A

Series

3RH2

Power Rating

4W

Mount Type

DIN Rail

Normal State Configuration

3 NO/1 NC

Number of Auxiliary Contacts

4

Terminal Type

Screw

Minimum Operating Temperature

-25°C

Control Circuit Voltage Uc

24 V dc

Operational Current Ie

10A

Maximum Operating Temperature

60°C

Length

57.5mm

Standards/Approvals

CCC, CE, CSA, IEC 61508, UL, EAC, IEC 60529, IEC 60947-5-1

Width

45 mm

Depth

73mm

Pole and Throw Configuration

3 NO/1 NC

COO (Country of Origin):
DE

Siemens SIRIUS Innovation Contactor Relay, 3NO/1NC, 10A Contact Rating - 3RH2 Series - 3RH2131-1BB40


Need a reliable contactor relay for damping opening surges? This four-pole contactor relay from Siemens' SIRIUS Innovation range offers you the reassurance of effective overload protection to prevent damage to electric motor windings and coils. You can use it with solid-state circuits that have currents above 1mA at voltages over 17V. This device can be easily plugged onto all contactor relays to suppress the opening surge in the coil, allowing you to start electric motors without risk of damage.

• Operating temperature range of -25°C to +60 °C for efficiency in tough industrial environments

• Screw terminals to make secure connections quickly

• 24V DC coil voltage for resistance to the control circuit drop caused by high inrush

• IP20 (ingress protection) rating means it'stouch-proof and resistant to dust or objects larger than 12mm

What is overload in electric motors?


Overload is when a motor draws a current higher than it's rated for over an extended period. It's also known as overcurrent and is one of the main causes of failure in electric motors.

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