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Siemens SIRIUS 3RH1140-1BG40

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3RH1140-1BG40

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The 3RH1140-1BG40 is a Siemens contactor relay designed for various applications within the SIRIUS series. This relay operates with a control supply voltage of 125 VDC and features a configuration of four normally open contacts. Its robust design ensures reliable performance across a wide temperature range and in varying environmental conditions.

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Technical specifications for 3RH1140-1BG40

ManufacturerSiemens
Product TypeContactor Relay
Product LineSIRIUS
Part Number3RH1140-1BG40
Weight0.56 lbs (0.26 kg)
Circuit Breaker SizeS00
IP RatingIP20
Degree of PollutionDegree 3
Control Supply Voltage125 VDC
Contact Configuration4 Normally Open
Connection TypeScrew-type terminals
Mounting TypeScrew mounting and snap-on mounting
Minimum Operating Temperature-25°C
Maximum Operating Temperature60°C
Minimum Storage Temperature-55°C
Maximum Storage Temperature80°C
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The Siemens 3RH1140-1BG40 contactor relay from the SIRIUS series is engineered to meet specific operational needs in electrical systems. It features four normally open contacts, allowing it to act effectively in triggering operations. The control supply voltage of this relay is rated at 125 VDC, contributing to its versatility in various setups.

This relay is designed for screw-type terminal connections, ensuring secure and stable connectivity. It supports both screw mounting and snap-on mounting options, providing flexibility during installation. The degree of protection is rated at IP20, making it suitable for general indoor conditions with a degree of pollution classification of Degree 3.

With its temperature specifications, the 3RH1140-1BG40 operates reliably in a range from -25°C to 60°C. Furthermore, it can be stored in extreme conditions, from -55°C to 80°C, demonstrating its capability to withstand varying environmental influences. This combination of features ensures that the contactor relay remains operational and effective in diverse applications.