Product Description
Emerson SDN 20-24-100 Power Supply
Product Overview
- The Emerson SDN 20-24-100 is a DIN rail-mounted power supply designed for industrial automation and control systems. Belonging to the SolaHD SDN series, this power supply delivers reliable 24 Vdc power for critical applications, ensuring stable operation in demanding environments. It is suitable for use in industries such as manufacturing, oil and gas, and process control, providing robust power for PLCs, sensors, and other control devices.
Technical Specifications
- The SDN 20-24-100 has the following specifications as provided:
| Specification | Details |
|---|---|
| Model/Part Number | SDN 20-24-100 |
| Manufacturer | Emerson (SolaHD) |
| Description | Power Supply |
| Input | |
| Nominal Voltage | 100–240 Vac, 100–250 Vdc |
| Inrush Current | 10 A typical, 33 A max |
| Power Factor (PFC) | >0.92 |
| Nominal Frequency | 50/60 Hz |
| Output | |
| Nominal Voltage | 24 V (24–28 Vdc Adjustable) |
| Current | 20 A |
| Power | 480 W |
| Power Boost | 1.5 x nominal current for 4 s |
| Hold-up Time | >20 ms (full load, 100 Vac input @ Tamb +25°C) to 95% output voltage |
| Tolerance | <± 2% overall |
| Line Regulation | <0.5% |
| Load Regulation | <0.5% |
| Time and Temperature Drift | <1% |
| Initial Voltage Setting | 24.5 V ± 1% |
| Ripple | <100 mVpp |
| Power Back Immunity | < 35 V: no damage, auto-recovery |
| Parallel Operation | Switch selectable |
| Overvoltage Protection | >30.5 Vdc, but <33 Vdc, auto-recovery |
| Environmental Data | |
| Ambient Temperature | Storage/Shipment: -40°C to +85°C Full Nominal Load: -40°C to +60°C Derate 480 W by 24 W per °C to 240 W from +60°C to +70°C |
| Corrosion Resistance | Model SDN 20-24-100CX - Conformal coated to meet G3 Harsh Rating per ISA 71.04 Group A |
| Degree of Protection | IP20 (EN60529) |
| Minimum Required Free Space for Cooling | 1.6 in. (40 mm) above and below, 0.39 in. (10 mm) left and right, 0.59 in. (15 mm) in front |
| Weight | 3.02 lb. (1370 g) |
Additional Details
- The SDN 20-24-100 includes the following additional information based on its standard use and documentation:
- Function: Converts AC or DC input power to a stable 24 Vdc output, powering industrial control devices with high efficiency and reliability; supports parallel operation for increased power or redundancy.
- Compatibility: Compatible with a wide range of industrial equipment, including Triconex SIS components, PLCs, and other 24 Vdc devices; integrates with DIN rail-mounted systems.
- Configuration: Features adjustable output voltage (24–28 Vdc); includes LED indicators for power status and diagnostics; supports single or parallel operation via a selectable switch; conformal coating (CX variant) enhances durability in harsh environments.