PF3-48 Allen Bradley

Description

Product Name:  PF3-48 Allen Braley Central control module

Product details:  

The Allen-Bradley PF3-48 (part of the PowerFlex series, specifically within the SMC-3 or SMC Flex smart motor controller families depending on the specific legacy iteration) is a solid-state soft starter designed to control the acceleration and deceleration of three-phase motors.

## Product Overview

The PF3-48 is an industrial-grade Soft Starter utilized to reduce the mechanical stress on belts, gears, and couplings, as well as the electrical stress (inrush current) on the power grid during motor startup. It provides a smoother transition to full speed compared to traditional “Across-the-Line” starters.

## Technical Specifications

## Key Advantages

• Reduced Mechanical Wear: By controlling the torque during startup, it prevents “water hammer” in pipes and jerkiness in conveyor belts.

• Energy Efficiency: Reduces the peak demand charges from utility companies by lowering the initial current spike.

• Compact Design: Allen-Bradley’s PF series is known for a small footprint, allowing it to fit into crowded control panels easily.

• Integrated Overload Protection: Features built-in electronic motor overload protection, removing the need for additional thermal relays.

• Ease of Setup: Uses simple DIP switches or a digital interface for quick configuration of ramp times and start/stop profiles.

## Important Precautions (Notes)

1. Heat Dissipation: Ensure adequate ventilation in the cabinet. Soft starters generate heat during the ramping phase; blocking airflow can lead to premature failure.

2. Bypass Contactor: While many units have internal bypasses, ensure yours is rated for the duty cycle. Using a bypass once the motor is at full speed reduces heat and extends the life of the SCRs (Silicon Controlled Rectifiers).

3. Isolation: A soft starter does not provide electrical isolation. Always use a separate disconnect switch or circuit breaker for maintenance safety.

4. Motor Compatibility: Ensure the motor is a standard squirrel-cage induction motor. Soft starters are not suitable for all types of specialized synchronous motors.

## Product Applications

• Pumps: Prevents pressure surges and water hammer in fluid systems.

• Conveyors: Eliminates product damage by preventing sudden jerky movements during start-up.

• Fans & Blowers: Reduces belt slippage and mechanical strain on large fan blades.

• Compressors: Allows for a controlled start in loaded or unloaded conditions to minimize grid disturbance.

• Crushers/Mixers: Provides the high initial torque needed to break static friction without damaging the motor windings.

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

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.