3RP1574 -1NP30 SIEMENS

Description

Product Name: 3RP1574 -1NP30  Siemens Controller module

Product details：

The 3RP1574-1NP30 is part of the SIRIUS family of industrial control products by Siemens. It’s an electronic timing relay with a specific function for star-delta motor starting sequences.

Key Features:

• Star-delta (Wye-delta) function: Specifically designed to control the switching sequence for star-delta motor starting.
• Outputs:
  • 1 NO (Normally Open) delayed contact
  • 1 NO (Normally Open) instantaneous contact
• Connection Type: Screw terminals for secure wiring.
• Mounting: Designed for DIN rail mounting.

Product Parameters

Here are the detailed technical specifications for the Siemens 3RP1574-1NP30:

• Function: Star-delta (Wye-delta) timing relay
• Time Range: Adjustable from 1 to 20 seconds.
• Control Supply Voltage:
  • 24 V AC/DC
  • 200-240 V AC at 50/60 Hz
• Number of Contacts: 2 (1 NO delayed, 1 NO instantaneous)
• Electrical Connection: Screw terminals
• Mounting: DIN rail
• Protection Class: IP20 (for terminals)
• Width: 22.5 mm
• Height: 83 mm
• Depth: 91 mm
• Typical Power Loss: 2 W
• Mechanical Service Life: Typically 10,000,000 switching cycles
• Electrical Endurance: Typically 100,000 switching cycles (at AC-15, 230 V)
• Adjustable Time Accuracy: 5% relative to full-scale value
• Relative Repeat Accuracy: 1%
• Ambient Temperature:
  • Operating: -25 to +60 °C
  • Storage/Transport: -40 to +85 °C

Product Advantages

• Optimized Motor Starting: The star-delta function provides a reduced voltage start for motors, which significantly lowers the inrush current and mechanical stress on the motor and connected machinery. This extends the lifespan of the motor and reduces wear and tear on the system.
• Versatile Power Supply: Its wide range of control supply voltages (24 V AC/DC and 200-240 V AC) makes it adaptable to various control systems and power grids.
• Compact Design: The narrow 22.5 mm width saves space in control cabinets, which is crucial for modern industrial applications where panel space is at a premium.
• Reliable Performance: Siemens is known for robust and high-quality industrial components. The 3RP1574-1NP30 boasts high mechanical and electrical endurance, ensuring long-term reliable operation.
• Easy Installation: Designed for standard DIN rail mounting and features screw terminals for straightforward and secure wiring.

Precautions

• Phased-Out Product: It’s important to note that the Siemens 3RP1574-1NP30 is listed as a phased-out product by Siemens. This means while it may still be available from distributors or for replacement purposes, Siemens may recommend newer alternatives (e.g., 3RP2574-1NW30) for new designs or larger projects.
• Installation and Wiring: Always adhere to local electrical codes and safety regulations during installation. Ensure proper wiring according to the provided wiring diagrams to prevent damage to the device or connected equipment.
• Voltage Compatibility: Verify that the control supply voltage matches the specifications of the relay to avoid malfunction or damage.
• Environmental Conditions: Operate the relay within the specified ambient temperature and humidity ranges to ensure optimal performance and longevity.
• Qualified Personnel: Installation, maintenance, and troubleshooting should only be performed by qualified and authorized personnel.

Product Applications

The Siemens 3RP1574-1NP30 star-delta timing relay is primarily used in applications requiring controlled motor starting. Common applications include:

• Industrial Motor Control: Specifically for starting larger induction motors in applications like pumps, fans, compressors, and conveyors where a direct online (DOL) start would lead to excessive inrush currents.
• HVAC Systems: Used in air handling units and ventilation systems to smoothly start large fan motors.
• Pumping Stations: For soft starting pump motors to prevent water hammer and reduce mechanical stress on the pumping system.
• Conveyor Systems: Ensuring a smooth acceleration of conveyor belts to prevent jolting and wear on mechanical components.
• Machine Tools: In various machinery where controlled motor acceleration is beneficial to the process or equipment.

Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!

We have the same series of models in stock.  If you don’t find the model you need, please contact us and we will provide you with an official quotation！

Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service

The following are other related models. If you can’t find the product you need, please contact us. Thank you

SIEMENS 6SE6440-2UD13-7AA1

SIEMENS 6SL3224-0BE37-5AA0

SIEMENS 6DD1684-0BC0

SIEMENS 6DD1684-0AH0

SIEMENS 6AV6542-0CA10-0AX0

SIEMENS 3RT1044-1AG20

SIEMENS 6AV6647-0AH11-3AX0

SIEMENS 3RT2017-1AF01

SIEMENS 6ES7321-1CH20-0AA0

SIEMENS 6ES7331-7HF01-0AB0

SIEMENS 6ES7195-7HA00-0XA0

JUSTWELL PTE. LTD. sells new and discontinued products, and purchases such specialty products through independent channels. JUSTWELL PTE. LTD. is not an authorized distributor, distributor, or representative of the featured products on this website. All product names/images, trademarks, brands, and logos used on this website are the property of their respective owners. Product descriptions, descriptions, or sales with these name images, trademarks, brands, and logos are for identification purposes only and do not imply any association or authorization with any rights holders.
This article is from the official website of JUSTWELL PTE. LTD. If reprinted, please attach this link:https://www.justwellcenter.com/

All other brand or product names mentioned in this document may be trademarks or registered trademarks of their respective holders.