Phoenix Contact STEP-PS/1AC/24DC/1.75 Power Supply 2868648 24VDC MA NO. 9037781
The Phoenix Contact STEP-PS/1AC/24DC/1.75 is a high-quality, single-phase AC/DC power supply designed for industrial automation and control systems. With a stable 24V DC output at 1.75A, this compact unit delivers a reliable 42W of power to your critical components such as PLCs, sensors, relays, and actuators.
As part of the renowned STEP POWER series, this power supply is built for easy installation on a standard DIN rail, making it an ideal choice for control cabinet applications. It features a wide-range AC input, protection against overload and short circuits, and high efficiency for minimal heat generation. The model number 2868648 and the manufacturer’s code 9037781 ensure you are ordering the correct, genuine Phoenix Contact product.
Key Features & Benefits
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Stable 24V DC Output:Â Provides a consistent and reliable 24V DC at 1.75A (42W total power), essential for the smooth operation of sensitive electronic control systems.
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Wide-Range AC Input (85-264V AC):Â Automatically adjusts to a broad range of input voltages, making it suitable for use in various regions and protecting against input voltage fluctuations.
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DIN Rail Mounting (TS35):Â Allows for quick and tool-free installation on a standard DIN rail, saving valuable time during panel building and integration.
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High Efficiency (>87%):Â Converts input power with minimal energy loss, leading to reduced operating costs and lower heat dissipation, which extends the product’s lifespan.
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Comprehensive Protection:Â Equipped with overload, short-circuit, and overtemperature protection to safeguard both the power supply itself and your connected equipment.
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Compact Design:Â Its slim form factor saves space in crowded control cabinets, allowing for more efficient panel layout.
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LED Status Indicator:Â A green LED provides a clear visual confirmation of the output voltage status for easy diagnostics.
Technical Specifications
| Attribute | Specification |
|---|---|
| Manufacturer | Phoenix Contact |
| Article Number | 2868648 |
| Manufacturer ID | 9037781 |
| Product Family | STEP-PS |
| Input Voltage | 85 – 264 V AC |
| Output Voltage | 24 V DC |
| Output Current | 1.75 A |
| Rated Power | 42 W |
| Efficiency | > 87% |
| Mounting Type | DIN Rail (TS35) |
| Connection | Screw Clamp |
| Protection Class | IP20 |
| Safety Standards | cULus Listed, UL 508, CSA C22.2 No. 14, EN 60950-1, EN 50178 |
Applications
This power supply is perfectly suited for a wide range of industrial and automation applications, including:
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Programmable Logic Controllers (PLCs)
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Industrial Control Cabinets
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Sensor & Actuator Systems
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Relay and Contactor Controls
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Human-Machine Interfaces (HMIs)
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General Machine Automation











