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Siemens SIRIUS 3RH1131-2BB40

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3RH1131-2BB40

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The 3RH1131-2BB40 model from Siemens' SIRIUS series is a contactor relay intended for versatile control applications. This relay operates on a control supply voltage of 24 VDC and features a holding power of 3.2 W.

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Technical specifications for 3RH1131-2BB40

ManufacturerSiemens
Product TypeContactor Relay
Product LineSIRIUS
Part Number3RH1131-2BB40
Size of ContactorS00
Control Supply Voltage TypeDC
Control Supply Voltage24 VDC
Holding Power3.2 W
Number of Contacts4 Contacts
Number of Auxiliary N.O. Contacts3 N.O. Contacts
Number of Auxiliary N.C. Contacts1 N.C. Contact
Electrical ConnectionCage Clamp / Spring-type Terminals
Continuous Thermal Current (AC-12)10.0 A
Operational Current AC-15 (at 230 V)6.0 A
Operational Current DC-13 (at 24 V)10.0 A
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This contactor relay, designated as the 3RH1131-2BB40, is part of Siemens' SIRIUS range and is utilized for various control and switching applications. It operates using a DC control supply voltage of 24 V, which allows it to effectively manage connected loads under specified conditions. With an efficient holding power of 3.2 W, the relay showcases consistent performance in demanding environments.

The compact S00 size contains four contacts, making it suitable for controlling multiple circuits. The device is equipped with three normally open (N.O.) auxiliary contacts and one normally closed (N.C.) auxiliary contact, enhancing its functionality in control systems. This feature allows the relay to provide extensive control options depending on the application needs.

In terms of electrical ratings, the 3RH1131-2BB40 supports a continuous thermal current rating of 10.0 A in category AC-12, ensuring operational reliability. When dealing with operational current in AC-15 conditions at 230 V, it handles up to 6.0 A. Additionally, it accommodates up to 10.0 A of operational current at 24 V in the DC-13 category, ensuring versatility across various scenarios.

For secure connections, this contactor relay employs cage clamp or spring-type terminals, facilitating straightforward wiring and maintenance. Such design considerations enhance the overall functionality of the unit, making it a dependable choice for control applications needing versatile relay solutions.