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Siemens 3RT2 Control Relay, 3 NO, 11A FLC, 22A Contact Rating, 5.5 kW, DIN Rail, 24V DC, Spring Terminal 3RT2017-2HB42
Specifications
| Country of Origin | Germany |
|---|---|
| Brand | Siemens |
| Length | 45mm |
| Model | 3RT2017-2HB42 |
| Depth | 69.5mm |
| IP Rating | IP20 |
| Width | 73mm |
| Mount Type | DIN Rail |
| Series | 3RT2 |
| Power Rating | 5.5kW |
| Maximum Operating Temperature | 60°C |
| Minimum Operating Temperature | -25°C |
| Terminal type | Spring Loaded |
| Supply Voltage | 24V dc |
| Contact Voltage | 690V ac |
| Normal State Configuration | 3 NO |
| Better World Claim | Low Carbon Manufacture |
| Relay Contact Current | 22A |
| Number of Auxiliary Contacts | 1 |
| Pole and Throw Configuration | 3 |
| Control Voltage | 24V dc |
| FLC Motor Rating | 11A |
Key Features
- Control relay with three normally open contacts for reliable circuit switching.
- 11A full load current for demanding industrial applications.
- Handles up to 22A contact rating and 5.5 kW power.
- DIN rail mounting simplifies panel integration.
- Spring loaded terminals ensure secure wiring and vibration resistance.
- Operates at 24V DC supply and control voltage.
- Compact size suitable for space-constrained enclosures.
- Supports maximum contact voltage up to 690V AC.
Product Description
The Siemens 3RT2017-2HB42 3RT2 Control Relay is an advanced industrial solution for automation and control gear applications, featuring three normally open (NO) contacts, robust contact ratings, and high operational reliability. Designed to deliver precise switching, it is suitable for use in electrical panels, machinery, and building automation systems where safe and efficient relay operation is essential.
This relay is equipped with a full load current rating of 11A and can handle a maximum contact current of 22A, making it well-suited for heavy-duty control circuits and motor switching up to 5.5 kW. The DIN rail mounting system ensures fast and secure installation within control cabinets, while spring-loaded terminals provide firm, vibration-resistant connections ideal for industrial environments.
Operating with a 24V DC supply and control voltage, the unit is compliant with EN 60947 and IEC 60529 standards, ensuring high performance and conformity to international safety and quality benchmarks. Protection is enhanced by IP20 enclosure rating, guarding against accidental contact and dust ingress during operation.
Key features include a compact form factor (73 mm width, 45 mm length, 69.5 mm depth), single auxiliary contact for flexible circuit integration, and normal state 3NO configuration for straightforward load control. Terminal type is spring loaded, facilitating quick wiring and maintenance.
The relay's maximum contact voltage is rated at 690V AC, extending its compatibility to a wide range of industrial supply systems. With operational temperatures ranging from -25°C to 60°C, the Siemens 3RT2017-2HB42 supports reliable operation in challenging environments typical of manufacturing plants, process control systems, and HVAC installations.
Applications include motor and pump switching, automation panels, machine tool controls, and commercial power distribution where precision relay action is critical. Its robust performance and easy installation make it a trusted choice for industrial professionals.
Explore additional relay solutions in the EnvMart Control Relays category or discover more Siemens automation products to enhance efficiency in industry and automation.
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Frequently Asked Questions
This model has a contact rating of up to 22A, suitable for demanding industrial applications.
The full load current rating for this relay is 11A, making it suitable for heavy-duty control circuits.
It can handle a maximum power of 5.5 kW, allowing for effective motor and pump switching.
This unit operates at a supply voltage of 24V DC, which is typical for control applications.
The maximum contact voltage for this relay is rated at 690V AC, ensuring compatibility with various industrial supply systems.
The dimensions are 73 mm in width, 45 mm in length, and 69.5 mm in depth, making it compact for installation.
It features a DIN rail mounting system, which simplifies installation within control cabinets.
This model uses spring-loaded terminals, which provide secure wiring and resistance to vibration.
The operational temperature range is from -25°C to 60°C, suitable for various industrial environments.
It has an IP20 rating, which protects against accidental contact and dust ingress during operation.
The Siemens 3RT2017-2HB42 includes one auxiliary contact for flexible circuit integration.
It is suitable for applications such as motor and pump switching, automation panels, and machine tool controls.
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