The STEP3-PS/1AC/24DC/3.75/PT/LED is a high-performance power supply unit from Phoenix Contact's STEP POWER series, designed specifically for industrial applications.This compact 90W power supply delivers a stable 24V DC output with a current capacity of 3.75A, making it ideal for powering industrial control systems, PLCs, sensors, and various automation equipment.The unit features Phoenix Contact's innovative push-in connection technology (PT), allowing for tool-free wiring and maintenance, saving installation time while ensuring secure connections even in high-vibration environments.The integrated LED indicators provide clear visual status monitoring of the output voltage, allowing for quick diagnosis of operational states.With its high efficiency of up to 91%, this power supply generates minimal heat loss, resulting in energy savings and increased reliability in continuous operation.The wide-range input of 100-240V AC allows for worldwide deployment, and its robust design includes comprehensive protection features such as short-circuit protection, overload protection, and overvoltage protection.The STEP3-PS/1AC/24DC/3.75/PT/LED is designed for easy DIN rail mounting (35 mm according to EN 60715), offering a space-saving installation with a width of only 40 mm.Its extended temperature range operation from -25°C to +70°C ensures reliable performance even in harsh industrial environments.The housing is constructed with robust, flame-retardant material that meets UL 94 V-0 standards.This power supply unit is compliant with international standards including CE, UL, and EAC, making it suitable for global applications.The high MTBF (Mean Time Between Failures) value demonstrates the reliability and longevity that Phoenix Contact is known for in industrial power solutions.

Key Highlights

01.Space-Saving Design

With a compact width of only 40 mm, this power supply maximizes space utilization in control cabinets and electrical enclosures. The optimized form factor allows for higher component density within standard DIN rail installations while ensuring adequate ventilation and cooling.

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02.Comprehensive Protection

Built-in protection mechanisms for short-circuit, overload, and overvoltage conditions ensure reliable operation and protect both the power supply and connected equipment. The automatic restart after fault resolution minimizes downtime while maintaining system safety.

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03.LED Status Indicator

Integrated LED display provides immediate visual feedback of the operating status, allowing for quick diagnostics and troubleshooting without the need for measurement equipment. The clear status indication helps maintenance personnel identify issues rapidly, reducing system downtime.

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All Features

With a compact width of only 40 mm, this power supply maximizes space utilization in control cabinets and electrical enclosures. The optimized form factor allows for higher component density within standard DIN rail installations while ensuring adequate ventilation and cooling.

Built-in protection mechanisms for short-circuit, overload, and overvoltage conditions ensure reliable operation and protect both the power supply and connected equipment. The automatic restart after fault resolution minimizes downtime while maintaining system safety.

Integrated LED display provides immediate visual feedback of the operating status, allowing for quick diagnostics and troubleshooting without the need for measurement equipment. The clear status indication helps maintenance personnel identify issues rapidly, reducing system downtime.

With an efficiency rating of up to 91%, this power supply minimizes energy losses and heat generation, reducing operating costs and extending the product's service life. The high efficiency ensures less heat is dissipated in the control cabinet, potentially reducing or eliminating the need for additional cooling measures.

The wide AC input range of 100-240V (85-264V extended) enables worldwide use with different mains voltages without requiring additional configuration or adapters. This global compatibility simplifies procurement, inventory management, and deployment across international installations.

Featuring innovative push-in connection technology that allows for tool-free, quick, and secure wiring. Simply insert the solid conductor or conductor with ferrule directly into the terminal point for a vibration-resistant connection that saves installation time and maintenance effort.

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