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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 3RH1122-1BG40 |
| Alternative Part Number | 3RH11221BG40 |
| Manufacturer | Siemens |
| Product Type | Contactor Relay |
| Contact Configuration | 2 Normally Open (NO) + 2 Normally Closed (NC) |
| Rated Current | 10 A |
| Control Supply Voltage | 125 V DC |
| Size | S00 |
| Protection Class IP | IP20 |
| Insulation Voltage | Rated at 690 V |
| Ambient Operating Temperature Range | -25 … +60 °C |
| Mechanical Operating Cycles | Typical 30,000,000 for contactor |
| Control Circuit Voltage Type | DC |
| Pull-in Power | 3.2 W (for DC) |
| Holding Power | 3.2 W (for DC) |
| Auxiliary Circuit Availability | Yes |
| Number of Auxiliary Contacts | 2 NC (instantaneous switching), 2 NO (instantaneous switching) |
| Operating Current at AC-12 | Maximum 10 A |
| Operating Current at DC-12 | Rated value 10 A at 24 V, 3 A at 110 V, 1 A at 220 V |
| Short-circuit Protection | Required fuse gL/gG: 10 A |
| Mounting Position | +/-180° rotation possible on vertical mounting surface; can be tilted +/- 22.5° |
| Mounting Type | Screw and snap-on mounting |
| Dimensions (Width x Height x Depth) | 45 mm x 57.5 mm x 72 mm |
| Terminal Type | Screw-type terminals |
| Connectable Conductor Cross-section | Solid: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²), 2x 4 mm²; Finely stranded with end processing: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| Approvals | CSA, UL, CCC, GL, LRS, BV, DNV, RMRS, RINA |
The Siemens 3RH1122-1BG40 is a high-quality contactor relay designed for a wide range of industrial applications. This component is part of the SIRIUS product family, renowned for its reliability and performance in demanding environments. With a configuration of 2 normally open (NO) and 2 normally closed (NC) contacts, it offers flexibility for various control circuit arrangements.
Rated for a control supply voltage of 125 V DC, this contactor relay ensures efficient operation with a pull-in and holding power of 3.2 W. The screw connection terminals provide a secure and durable connection, suitable for solid and finely stranded wires, making installation straightforward and maintenance minimal.
The compact size S00 of this contactor relay allows for efficient use of space within control cabinets, with dimensions of 45 mm in width, 57.5 mm in height, and 72 mm in depth. It can be mounted in various positions, offering versatility in integration with existing systems.
With an insulation voltage rated at 690 V and an impulse voltage resistance of 6 kV, the 3RH1122-1BG40 is built to withstand challenging electrical conditions. It also boasts a mechanical operating life of up to 30 million cycles, ensuring long-term reliability and reduced downtime for your operations.
This contactor relay is designed to meet the rigorous standards of industrial control applications, providing a dependable solution for circuit control and load management. Whether used in manufacturing, automation, or other industrial settings, the Siemens 3RH1122-1BG40 is a component that professionals can trust for consistent performance and quality.
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Frequently Asked Questions
What is the contact configuration for this contactor relay?
The contactor relay has a contact configuration of 2 normally open (NO) and 2 normally closed (NC) contacts.
What is the rated control supply voltage for this device?
The rated control supply voltage for the contactor relay is 125 V DC.
Can this contactor relay be used with different mounting positions?
Yes, the contactor relay can be mounted in various positions, including a +/-180° rotation on a vertical mounting surface and can be tilted forward and backward by +/- 22.5°.
What is the size of this contactor relay?
The size of the contactor relay is S00, which is a compact size for this type of device.
What is the maximum operating current for this contactor relay at AC-12?
At AC-12, the maximum operating current for the contactor relay is 10 A.
What type of terminals does this contactor relay have for electrical connections?
The contactor relay is equipped with screw-type terminals for auxiliary and control current circuits.
What is the mechanical operating life of the contactor relay?
The typical mechanical operating life of the contactor relay is 30 million operating cycles.
What certifications does this contactor relay hold?
The contactor relay holds several certifications, including CSA, UL, CCC, GL, LRS, BV, DNV, RMRS, and RINA.
What is the insulation voltage rating for this contactor relay?
The insulation voltage rating for the contactor relay, with a degree of pollution 3, is 690 V.
What is the ambient temperature range for operating this contactor relay?
The ambient temperature range for operating the contactor relay is between -25°C and +60°C.
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