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Siemens SIRIUS 3RH2131-1BB40

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3RH2131-1BB40

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The Siemens 3RH2131-1BB40 functions as an auxiliary contactor, designed to handle various electrical applications. It operates with a control supply voltage of 24 Volts DC, ensuring suitable performance in control circuits.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Technical specifications for 3RH2131-1BB40

ManufacturerSiemens
Product TypeAuxiliary Contactor
Product LineSIRIUS
Part Number3RH2131-1BB40
UPC662643906288
Weight0.31 lbs (0.14 kg)
SeriesAC Drives
Electrical Connection TypeScrew-type terminals
Control Supply Voltage24 Volts DC
Contactor SizeS00
Rated Surge Voltage Resistance6 kilovolts
Number of Contacts3 Normally Open (NO) contacts and 1 Normally Closed (NC) contact
Power Loss4 Watts (typical)
Ambient Operating Temperature-25 to 60°C (in a non-condensing environment)
Storage Temperature-55 to 80°C (in a non-condensing environment)
Mounting MethodScrew mount or snap-on DIN rail mount
Protection ClassIP20 (on the front part)
Insulation Voltage690 Volts AC
Mechanical Life Span30,000,000 operating cycles (typical)
Holding/Closing Power of Magnet Coil at DC4 Watts
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The Siemens 3RH2131-1BB40 is categorized as an auxiliary contactor. It connects using screw-type terminals. This component operates effectively with a control supply voltage of 24 Volts DC and is sized as a S00 contactor. Its design ensures reliable functionality, backed by a rated surge voltage resistance of 6 kilovolts.

The unit is equipped with three Normally Open (NO) contacts and one Normally Closed (NC) contact, making it suitable for a variety of control applications. In typical scenarios, the power loss registers at around 4 Watts. The contactor weighs 0.59 pounds (0.27 kilograms), contributing to its lightweight design.

The operational temperature range spans from -25°C to 60°C in non-condensing environments. For storage, it can withstand temperatures from -55°C to 80°C. Users can mount this contactor using a screw method or utilize a snap-on DIN rail mount for easier installation.

The product also has a mechanical lifespan reaching approximately 30 million operating cycles. It maintains a protection class of IP20 on the front side, securing it against foreign objects larger than 12.5 mm. The holding or closing power of the magnet coil in DC applications is rated at 4 Watts, ensuring effective operation in electrical systems.