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SIEBEL&SCHOLL IPS21-35AD – 24V DC 35A Industrial Power Supply
Product Overview
The SIEBEL&SCHOLL IPS21-35AD is a heavy-duty DIN-rail power supply built for industrial automation and process control. It delivers a stable 24V DC output at up to 35A, with a wide AC input range and high efficiency to support continuous operation in harsh environments. As part of the IPS21 series, it addresses voltage fluctuation and reliability issues in control panels, manufacturing lines, and power plants. The unit integrates active PFC and robust protection, ensuring consistent power for PLCs, motors, and safety systems.
Technical Specifications — IPS21-35AD
| Parameter | Value |
|---|---|
| Product Model | IPS21-35AD |
| Manufacturer | SIEBEL&SCHOLL |
| Product Type | Industrial DIN-Rail Power Supply |
| Input Voltage | 85–264V AC, 47–63Hz |
| Output | 24V DC, 35A (840W) |
| Efficiency | 94% typical |
| Power Factor | >0.95 (active PFC) |
| Operating Temperature | -20°C to +70°C (derated above 60°C) |
| Mounting | 35mm DIN rail |
| Dimensions (HxWxD) | 132mm × 105mm × 52mm |
| Weight | 0.8kg |
| Protection | OVP, OCP, SCP, reverse polarity |
| Compliance | CE, UL, ATEX, IP30 |
SIEBEL&SCHOLL IPS21-35AD – 24V DC 35A
Key Features and Benefits — IPS21-35AD
- Wide-Range Input: Accepts 85–264V AC for global use and stable performance during grid fluctuations.
- High Power & Efficiency: 35A output with 94% efficiency reduces heat and energy costs in continuous operation.
- Active PFC: Power factor >0.95 minimizes reactive power and meets industrial harmonic standards.
- Robust Protection: Over-voltage, over-current, short-circuit, and reverse polarity protection safeguard loads.
- Heavy-Duty Design: IP30-rated aluminum enclosure withstands dust, vibration, and wide temperature ranges.
- Redundancy Ready: Supports parallel operation for redundant setups in critical systems.
Related Models
- IPS21-24AD: 24A 24V DC power supply for medium loads.
- IPS21-50AD: 50A high-current model for heavy machinery.
- IPS21-35RD: Redundancy module pairing with IPS21-35AD.
- IPS21-24V-10AD: Compact 10A unit for small control panels.
Installation and Maintenance — IPS21-35AD
- Mount vertically on a 35mm DIN rail with 50mm clearance for airflow.
- Connect AC input to L/N/PE terminals and 24V DC output to loads, observing polarity.
- Torque terminals to 1.2–1.5Nm to prevent overheating.
- Check ambient temperature; avoid installation near heat sources.
- Periodically clean dust from vents and verify tight connections for long-term reliability.
